How many institutions own PESI stock?

A company's 13F filings with the Securities and Exchange Commission (SEC) provides investors with comprehensive information about institutional ownership in a listed company, a sign of strength in terms of how many institutions have confidence in that company. The number of institutional investors who currently own PESI shares is 104, representing 47.93% of the company's common stock.

Who are the major shareholders selling Perma-Fix Environmental Services, Inc. stock?

PERRITT CAPITAL MANAGEMENT INC, in the last quarter, reduced its stake in PESI by -0.79% restricting it's holding to 175.3 thousand shares of worth nearly $1.77M. JPMORGAN CHASE & CO also lessened -14% of the PESI shares from its portfolio, reducing its holding to 7.03 thousand shares of worth $71.01K. EVERSOURCE WEALTH ADVISORS, LLC also shunned PESI shares holding by -68.33% last quarter which brought its holding to 19 shares worth $192.00.

Investors who are buying PESI stock?

As per its latest 13F filing, DIMENSIONAL FUND ADVISORS LP increased its stake in PESI by 2.94% in the last quarter. The institutional holder raised its holding to 156.85 thousand shares having worth more than $1.58M. CWM, LLC also added 52.81% more shares of PESI to its portfolio, raising its holding to 136 shares of worth $1.00K. NORTH STAR INVESTMENT MANAGEMENT CORP. also increased its PESI shares holding by 100% which brought its holding to 4.4 thousand shares worth $44.44K.

PESI's major insiders: who are they?

The insider with the most stakes in PESI is REEDER JOE , director at the company. Additionally, PESI stock is highly held by EVP of Strategic Initiatives CENTOFANTI LOUIS F and director Shelton Larry among others.

Did an insider recently sell PESI stock?

Company executives, directors, and other insiders own 7.33% percent of Perma-Fix Environmental Services, Inc.'s stock. Within the last six months, there have been 1 transaction(s) in which PESI insiders have sold stock, totaling 5.65K shares. Insiders that have sold shares include DUGGAN KERRY C and REEDER JOE.

Which insider recently purchased PESI stock?

There have been 3 transaction(s) during the past 6-months in which Perma-Fix Environmental Services, Inc. insiders have bought stock, totalling 2897 shares

How much of PESI does insiders own?

Around 517K Perma-Fix Environmental Services, Inc. shares are held by insiders, which represents about 7.33% of PESI stock.

Who is the insider with the largest stake?

PESI director, REEDER JOE holds the largest portfolio of the company's shares. PESI shares owned by REEDER total nearly 220.36 thousand.

Which institution holds the most shares in PESI?

DIMENSIONAL FUND ADVISORS LP is the largest institutional owner in PESI which holds 156.85 thousand shares worth $1.58M or 0.85% of the total PESI shares outstanding followed by PERRITT CAPITAL MANAGEMENT INC with ownership of 175.3 thousand shares representing 0.95% of the PESI ownership. JPMORGAN CHASE & CO is the third largest stakeholder with 7.03 thousand shares or 0.04% of the ownership worth more than $71.01K.

Is Perma-Fix Environmental Services, Inc. stock optionable?

Stock options give the owner the ability but not the obligation to buy or sell a security at a predetermined price and date. Stock options can be classified into two types: puts and calls. A put is a bet on falling stock, and a call is a bet on rising stock. As far as the PESI is concerned, it is a stock which is optionable.

Is there a short position on PESI's shares?

Number of PESI shares short is 1.29M. Shares short is a market sentiment in which investors have sold their shares short in a given stock but have not yet covered them or closed them out.

About how many outstanding PESI shares are there?

As of today, 18.47M shares of PESI are outstanding.

Is there many float in PESI stock?

Float represents the number of tradeable shares in a specific stock. By subtracting restricted and closely-held shares from a firm's total outstanding shares, we can calculate its floating stock. The term "closely-held shares" refers to shares held by employees, major shareholders, and company insiders. At present, PESI has 17.13M shares in float.

PESI short ratio: what is it?

Short ratio is calculated by dividing the number of short shares, short interest or bets that shareholders will sell short from the average daily volume. A higher ratio indicates longer times needed to repurchase borrowed shares (sold). The short ratio for PESI is 10.57.

Perma-Fix Environmental Services (PESI) insider trading activity: Get Latest News Today

Stock Outstanding Shares

Making an investment decision in the stock market involves a certain amount of risk, so it's important to thoroughly review a company's stock before making any decisions. Stock float, number of short positions and outstanding shares are among the many factors an investor should take into account.

ShortableYes

OptionableYes

Short Percent Of Outstanding Shares6.98

Short Percent Of Float7.55

Shares Outstanding18.47M

Shares Float17.13M

Shares Short1.29M

Short Ratio10.57

7.55%

Short % of Float

6.98%

Short % of Shares Outstanding

Market Insider

Investors cannot turn a blind eye to insiders as well as institutional ownership. They need to follow insider trades to determine the direction the stock is likely to take.

Major Holders Summary

7.33% Percentage of Shares held by All Insiders

47.93% Percentage of Shares held by All Institutions

51.73% Percentage of Float held by Institutions

104

Number of Institutions Holding Shares

Institutional Ownership

About 47.93% of PESI shares are held by financial institutions. DIMENSIONAL FUND ADVISORS LP is the top corporate investor, holding 156.85K shares valued at $1.58M. A 0.85% stake in Perma-Fix Environmental Services, Inc. is owned by the company. PERRITT CAPITAL MANAGEMENT INC owns 175.3K shares valued at $1.77M, which translates its holding of 0.95% of the stake in the company.

Date	Holder	% Stake	Shares Held	Total Value ($)	Shares	% Change in Portfolio
Sep 30, 2025	DIMENSIONAL FUND ADVISORS LP	0.85%	156.85K	1.58M	4.48K	+2.94%
Sep 30, 2025	PERRITT CAPITAL MANAGEMENT INC	0.95%	175.3K	1.77M	-1.4K	-0.79%
Sep 30, 2025	JPMORGAN CHASE & CO	0.04%	7.03K	71.01K	-1.15K	-14.00%
Sep 30, 2025	EVERSOURCE WEALTH ADVISORS, LLC	0%	19	192	-41	-68.33%
Sep 30, 2025	ROTHSCHILD INVESTMENT LLC	0%	20	202	0	0
Sep 30, 2025	DEUTSCHE BANK AG\	0%	63	636	-15.12K	-99.59%
Sep 30, 2025	NISA INVESTMENT ADVISORS, LLC	0%	71	717	0	0
Sep 30, 2025	CWM, LLC	0%	136	1K	47	+52.81%
Sep 30, 2025	GAMMA INVESTING LLC	0%	247	2.5K	-88	-26.27%
Sep 30, 2025	FERMATA ADVISORS, LLC	0.08%	15.32K	154.76K	-986	-6.05%
Sep 30, 2025	NEW YORK STATE COMMON RETIREMENT FUND	0.02%	4.4K	44.44K	0	0
Sep 30, 2025	NORTH STAR INVESTMENT MANAGEMENT CORP.	0.02%	4.4K	44.44K	4.4K	+100.00%
Sep 30, 2025	ROYAL BANK OF CANADA	0.02%	4.11K	42K	2.4K	+139.71%
Sep 30, 2025	GROUP ONE TRADING, L.P.	0.02%	3.53K	35.61K	783	+28.55%
Sep 30, 2025	METLIFE INVESTMENT MANAGEMENT, LLC	0.02%	3.37K	34.04K	-8.67K	-72.01%
Sep 30, 2025	BNP PARIBAS ARBITRAGE, SNC	0.02%	3.35K	33.84K	1.7K	+102.91%
Sep 30, 2025	SIMPLEX TRADING, LLC	0.02%	2.8K	28K	2.8K	+100.00%
Sep 30, 2025	LEGAL & GENERAL GROUP PLC	0.01%	1.61K	16.27K	0	0
Sep 30, 2025	AMERITAS INVESTMENT PARTNERS, INC.	0.01%	1.23K	12.44K	0	0
Sep 30, 2025	RUSSELL INVESTMENTS GROUP, LTD.	0.01%	1.58K	16K	1.39K	+725.00%
Sep 30, 2025	SUSQUEHANNA INTERNATIONAL GROUP, LLP	0.09%	17.12K	172.89K	-50.12K	-74.54%
Sep 30, 2025	PALE FIRE CAPITAL SE	0.25%	45.27K	457.23K	19.58K	+76.22%
Sep 30, 2025	D. E. SHAW & CO., INC.	0.25%	46.31K	467.68K	46.31K	+100.00%
Sep 30, 2025	LEGATO CAPITAL MANAGEMENT LLC	0.31%	56.46K	570.24K	0	0
Sep 30, 2025	MORGAN STANLEY	0.54%	99.65K	1.01M	30.61K	+44.34%
Sep 30, 2025	RHUMBLINE ADVISERS	0.12%	22.92K	231.51K	-603	-2.56%
Sep 30, 2025	BARCLAYS PLC	0.13%	24.37K	246.13K	-5.13K	-17.39%
Sep 30, 2025	NUVEEN, LLC	0.12%	22.45K	226.79K	0	0
Sep 30, 2025	TREXQUANT INVESTMENT LP	0.23%	42.16K	425.78K	42.16K	+100.00%
Sep 30, 2025	BANK OF AMERICA CORP /DE/	0.26%	47.74K	482.16K	38.76K	+431.91%
Sep 30, 2025	NORTHERN TRUST CORP	0.73%	135.46K	1.37M	1.66K	+1.24%
Sep 30, 2025	VAN ECK ASSOCIATES CORP	1.19%	220.29K	2.23M	47.49K	+27.48%
Sep 30, 2025	MIRAE ASSET GLOBAL ETFS HOLDINGS LTD.	0.05%	8.31K	83.88K	-1.52K	-15.45%
Sep 30, 2025	GOLDMAN SACHS GROUP INC	0.35%	64.25K	648.97K	64.25K	+100.00%
Sep 30, 2025	GEODE CAPITAL MANAGEMENT, LLC	2.28%	421.24K	4.26M	-724	-0.17%
Sep 30, 2025	WELLS FARGO & COMPANY/MN	0.14%	25.66K	259.18K	2.09K	+8.88%
Sep 30, 2025	CORSAIR CAPITAL MANAGEMENT, L.P.	0.15%	27.94K	282.22K	27.94K	+100.00%
Sep 30, 2025	CITADEL ADVISORS LLC	0.08%	14.9K	150.49K	2.6K	+21.14%
Sep 30, 2025	MYDA ADVISORS LLC	0.27%	50K	505K	50K	+100.00%
Sep 30, 2025	FMR LLC	0.02%	4.4K	44.45K	762	+20.94%
Sep 30, 2025	BAILARD, INC.	0.16%	28.6K	288.86K	0	0
Sep 30, 2025	ADVISOR GROUP HOLDINGS, INC.	0.19%	35.9K	362.55K	33.76K	+1,577.57%
Sep 30, 2025	ARS INVESTMENT PARTNERS, LLC	0.22%	40.96K	413.7K	-43.27K	-51.37%
Sep 30, 2025	STATE STREET CORP	1.62%	298.39K	3.01M	9.91K	+3.43%
Sep 30, 2025	DIAMOND HILL CAPITAL MANAGEMENT INC	2.18%	401.56K	4.06M	7.14K	+1.81%
Sep 30, 2025	HEARTLAND ADVISORS INC	2.48%	458.25K	4.63M	-22.9K	-4.76%
Sep 30, 2025	PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C.	4.21%	777.14K	7.85M	0	0
Sep 30, 2025	MAK CAPITAL ONE LLC	4.42%	815.58K	8.24M	722.97K	+780.66%
Sep 30, 2025	VANGUARD GROUP INC	5.07%	935.94K	9.45M	21.34K	+2.33%
Sep 30, 2025	ESSEX INVESTMENT MANAGEMENT CO LLC	1.06%	196.2K	1.98M	6.48K	+3.42%
Sep 30, 2025	VERITION FUND MANAGEMENT LLC	0.08%	14.46K	146.01K	14.46K	+100.00%
Sep 30, 2025	POLICE & FIREMEN'S RETIREMENT SYSTEM OF NEW JERSEY	0.03%	5.65K	57.06K	2.31K	+69.33%
Sep 30, 2025		0.35%	64.74K	653.89K	-14.22K	-18.01%
Sep 30, 2025	BLUE SQUARE ASSET MANAGEMENT, LLC	0.11%	20.1K	203.01K	20.1K	+100.00%
Sep 30, 2025	GUIDANCE CAPITAL, INC	0.09%	17.32K	241.32K	17.32K	+100.00%
Sep 30, 2025	BLACKROCK, INC.	6.33%	1.17M	11.79M	-12.75K	-1.08%
Sep 30, 2025	BROOKWOOD INVESTMENT GROUP LLC	0.08%	14.94K	150.92K	4.81K	+47.45%
Sep 30, 2025	OXLER PRIVATE WEALTH LLC	0.09%	17.01K	171.75K	0	0
Sep 30, 2025	BANK OF NEW YORK MELLON CORP	0.24%	44.72K	451.62K	359	+0.81%
Sep 30, 2025	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0.26%	48.61K	490.93K	-783	-1.59%
Sep 30, 2025	JANE STREET GROUP, LLC	0.32%	58.2K	587.83K	36.14K	+163.84%
Sep 30, 2025	ANCORA ADVISORS, LLC	0.82%	150.36K	1.52M	-30.43K	-16.83%
Sep 30, 2025	CITIGROUP INC	0%	283	2.86K	-5.58K	-95.17%
Sep 30, 2025	OPTIVER HOLDING B.V.	0%	298	3.01K	298	+100.00%
Sep 30, 2025	AMALGAMATED BANK	0%	583	6K	0	0
Sep 30, 2025	QUEST PARTNERS LLC	0%	719	7.26K	719	+100.00%
Sep 30, 2025	STERLING CAPITAL MANAGEMENT LLC	0.01%	1.02K	10.26K	615	+153.37%
Sep 30, 2025	UBS GROUP AG	0.14%	24.91K	251.63K	-9.14K	-26.84%
Jun 30, 2025	FERMATA ADVISORS, LLC	0.09%	16.31K	171.57K	940	+6.12%
Jun 30, 2025	HEARTLAND ADVISORS INC	2.61%	481.15K	5.06M	25.75K	+5.65%
Jun 30, 2025	PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C.	4.21%	777.14K	8.18M	0	0
Jun 30, 2025	VANGUARD GROUP INC	4.96%	914.61K	9.62M	29.22K	+3.30%
Jun 30, 2025	BLACKROCK, INC.	6.4%	1.18M	12.42M	87.96K	+8.05%
Jun 30, 2025	CITIGROUP INC	0.03%	5.86K	61.63K	-6.18K	-51.32%
Jun 30, 2025	JPMORGAN CHASE & CO	0.04%	8.18K	86.01K	-61	-0.74%
Jun 30, 2025	OXLER PRIVATE WEALTH LLC	0.09%	17.01K	178.89K	0	0
Jun 30, 2025	SUSQUEHANNA INTERNATIONAL GROUP, LLP	0.14%	26.5K	278.78K	26.5K	+100.00%
Jun 30, 2025	BANK OF AMERICA CORP /DE/	0.05%	8.98K	94.42K	-2K	-18.22%
Jun 30, 2025	MIRAE ASSET GLOBAL ETFS HOLDINGS LTD.	0.05%	9.82K	103.34K	-26	-0.26%
Jun 30, 2025	METLIFE INVESTMENT MANAGEMENT, LLC	0.07%	12.04K	126.65K	4.42K	+57.99%
Jun 30, 2025	DEUTSCHE BANK AG\	0.08%	15.19K	159.75K	-294	-1.90%
Jun 30, 2025	ROYAL BANK OF CANADA	0.01%	1.72K	19K	1.39K	+430.96%
Jun 30, 2025	TOWER RESEARCH CAPITAL LLC (TRC)	0.01%	2.03K	21.36K	-1.84K	-47.49%
Jun 30, 2025	GROUP ONE TRADING, L.P.	0.01%	2.74K	28.86K	2.02K	+280.44%
Jun 30, 2025		0.43%	78.96K	830.67K	0	0
Jun 30, 2025	NEW YORK STATE COMMON RETIREMENT FUND	0.02%	4.4K	46.29K	0	0
Jun 30, 2025	MARSHALL WACE, LLP	0.1%	18.41K	193.62K	18.41K	+100.00%
Jun 30, 2025	DIMENSIONAL FUND ADVISORS LP	0.83%	152.38K	1.6M	28.41K	+22.92%
Jun 30, 2025	NORTHERN TRUST CORP	0.73%	133.81K	1.41M	-5.4K	-3.88%
Jun 30, 2025	MAK CAPITAL ONE LLC	0.5%	92.61K	974.26K	92.61K	+100.00%
Jun 30, 2025	ARS INVESTMENT PARTNERS, LLC	0.46%	84.23K	886.05K	986	+1.18%
Jun 30, 2025	XTX TOPCO LTD	0.1%	18.96K	199.42K	18.96K	+100.00%
Jun 30, 2025	BRIDGEWAY CAPITAL MANAGEMENT, LLC	0.11%	20.3K	213.56K	0	0
Jun 30, 2025	JANE STREET GROUP, LLC	0.12%	22.06K	232.06K	22.06K	+100.00%
Jun 30, 2025	RHUMBLINE ADVISERS	0.13%	23.53K	247.48K	6.32K	+36.74%
Jun 30, 2025	ADVISOR GROUP HOLDINGS, INC.	0.01%	2.14K	22.51K	1.74K	+435.00%
Jun 30, 2025	POLICE & FIREMEN'S RETIREMENT SYSTEM OF NEW JERSEY	0.02%	3.34K	35.1K	0	0
Jun 30, 2025	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0.27%	49.39K	519.58K	3.15K	+6.80%
Jun 30, 2025	BANK OF NEW YORK MELLON CORP	0.24%	44.36K	466.62K	10.47K	+30.91%
Jun 30, 2025	UBS GROUP AG	0.18%	34.05K	358.25K	-23K	-40.31%
Jun 30, 2025	CONGRESS WEALTH MANAGEMENT LLC / DE /	0.17%	30.5K	320.86K	10K	+48.78%
Jun 30, 2025	COMMONS CAPITAL, LLC	0.16%	30.35K	319.28K	0	0
Jun 30, 2025	BARCLAYS PLC	0.16%	29.5K	310K	11.11K	+60.40%
Jun 30, 2025	BAILARD, INC.	0.16%	28.6K	300.87K	-260	-0.90%
Jun 30, 2025	PALE FIRE CAPITAL SE	0.14%	25.69K	270.25K	15.61K	+154.85%
Jun 30, 2025	MOODY NATIONAL BANK TRUST DIVISION	0.14%	25K	263K	0	0
Jun 30, 2025	BROOKWOOD INVESTMENT GROUP LLC	0.05%	10.13K	106.61K	-6.71K	-39.84%
Jun 30, 2025	NUVEEN, LLC	0.12%	22.45K	236.22K	5.56K	+32.90%
Jun 30, 2025	MYDA ADVISORS LLC	0.92%	169.21K	1.78M	-30.79K	-15.40%
Jun 30, 2025	VAN ECK ASSOCIATES CORP	0.94%	172.8K	1.82M	-47.22K	-21.46%
Jun 30, 2025	PERRITT CAPITAL MANAGEMENT INC	0.96%	176.7K	1.86M	-11K	-5.86%
Jun 30, 2025	ANCORA ADVISORS, LLC	0.98%	180.79K	1.9M	22.94K	+14.54%
Jun 30, 2025	CITADEL ADVISORS LLC	0.07%	12.3K	129.4M	9.3K	+310.00%
Jun 30, 2025	LEGATO CAPITAL MANAGEMENT LLC	0.31%	56.46K	593.95K	-139	-0.25%
Jun 30, 2025	MORGAN STANLEY	0.37%	69.04K	726.26M	32.28K	+87.84%
Jun 30, 2025	WELLS FARGO & COMPANY/MN	0.13%	23.57K	247.95K	15.49K	+191.70%
Jun 30, 2025	FMR LLC	0.02%	3.64K	38.28K	2.96K	+435.15%
Jun 30, 2025	ESSEX INVESTMENT MANAGEMENT CO LLC	1.03%	189.72K	2M	-1.37K	-0.72%
Jun 30, 2025	STATE STREET CORP	1.56%	288.48K	3.03M	96.21K	+50.04%
Jun 30, 2025	DIAMOND HILL CAPITAL MANAGEMENT INC	2.14%	394.42K	4.15M	-22.25K	-5.34%
Jun 30, 2025	GEODE CAPITAL MANAGEMENT, LLC	2.29%	421.96K	4.44M	28.78K	+7.32%
Mar 31, 2025	BLACKROCK, INC.	5.93%	1.09M	7.94M	62.89K	+6.11%
Mar 31, 2025	ALYESKA INVESTMENT GROUP, L.P.	0.8%	147.42K	1.07M	-552.58K	-78.94%
Mar 31, 2025	LEGATO CAPITAL MANAGEMENT LLC	0.31%	56.6K	411.47K	-671	-1.17%
Mar 31, 2025	SQUAREPOINT OPS LLC	0.4%	73.01K	530.81K	73.01K	+100.00%
Mar 31, 2025	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0.25%	46.24K	336.19K	6.01K	+14.93%
Mar 31, 2025	MORGAN STANLEY	0.2%	36.75K	267.19K	-4.24K	-10.35%
Mar 31, 2025	GEODE CAPITAL MANAGEMENT, LLC	2.13%	393.18K	2.86M	66.06K	+20.19%
Mar 31, 2025	BANK OF NEW YORK MELLON CORP	0.18%	33.88K	246.33K	1.76K	+5.47%
Mar 31, 2025	BARCLAYS PLC	0.1%	18.39K	134K	-4.62K	-20.08%
Mar 31, 2025	RHUMBLINE ADVISERS	0.09%	17.2K	125.07K	2.67K	+18.38%
Mar 31, 2025	OXLER PRIVATE WEALTH LLC	0.09%	17.01K	123.63K	0	0
Mar 31, 2025	VAN ECK ASSOCIATES CORP	1.19%	220.01K	1.6M	82.3K	+59.76%
Mar 31, 2025	MYDA ADVISORS LLC	1.09%	200K	1.45M	-25K	-11.11%
Mar 31, 2025	STATE STREET CORP	1.04%	192.27K	1.4M	9.12K	+4.98%
Mar 31, 2025	UBS GROUP AG	0.31%	57.05K	414.77K	1.37K	+2.45%
Mar 31, 2025	MILLENNIUM MANAGEMENT LLC	0.09%	16.15K	117.4K	16.15K	+100.00%
Mar 31, 2025		0.09%	16.84K	122.46K	16.84K	+100.00%
Mar 31, 2025	ESSEX INVESTMENT MANAGEMENT CO LLC	1.04%	191.09K	1.39M	-1.25K	-0.65%
Mar 31, 2025	PERRITT CAPITAL MANAGEMENT INC	1.02%	187.7K	1.36M	-4.75K	-2.47%
Mar 31, 2025	ANCORA ADVISORS, LLC	0.86%	157.85K	1.15M	75.97K	+92.78%
Mar 31, 2025	ARS INVESTMENT PARTNERS, LLC	0.45%	83.24K	921.46K	0	0
Mar 31, 2025	COMMONS CAPITAL, LLC	0.16%	30.35K	220.64K	15K	+97.72%
Mar 31, 2025	BAILARD, INC.	0.16%	28.86K	209.81K	0	0
Mar 31, 2025	THOMPSON DAVIS & CO., INC.	0.07%	13.44K	97.71K	-250	-1.83%
Mar 31, 2025	BANK OF AMERICA CORP /DE/	0.06%	10.98K	79.79K	-3.81K	-25.79%
Mar 31, 2025	CITIGROUP INC	0.07%	12.03K	87.49K	-3.2K	-20.98%
Mar 31, 2025	RENAISSANCE TECHNOLOGIES LLC	0.06%	11.47K	83.42K	-23.32K	-67.02%
Mar 31, 2025	BRIDGEWAY CAPITAL MANAGEMENT, LLC	0.11%	20.3K	147.58K	0	0
Mar 31, 2025	OPPENHEIMER & CO INC	0.06%	10.95K	79.61K	-11.76K	-51.79%
Mar 31, 2025	CUBIST SYSTEMATIC STRATEGIES, LLC	0.06%	10.57K	76.84K	10.57K	+100.00%
Mar 31, 2025	PALE FIRE CAPITAL SE	0.05%	10.08K	73.28K	10.08K	+100.00%
Mar 31, 2025	MIRAE ASSET GLOBAL ETFS HOLDINGS LTD.	0.05%	9.85K	71.6K	1.52K	+18.18%
Mar 31, 2025	SIMPLEX TRADING, LLC	0.05%	8.42K	61K	8.42K	+100.00%
Mar 31, 2025	VANGUARD GROUP INC	4.81%	885.39K	6.44M	16.43K	+1.89%
Mar 31, 2025	PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C.	4.22%	777.14K	5.65M	30.2K	+4.04%
Mar 31, 2025	HEARTLAND ADVISORS INC	2.47%	455.4K	3.31M	55.4K	+13.85%
Mar 31, 2025	MOODY NATIONAL BANK TRUST DIVISION	0.14%	25K	181.75K	0	0
Mar 31, 2025	GOLDMAN SACHS GROUP INC	0.13%	24.7K	179.55K	-14.82K	-37.51%
Mar 31, 2025	DIAMOND HILL CAPITAL MANAGEMENT INC	2.26%	416.66K	3.03M	101.15K	+32.06%
Mar 31, 2025	NORTHERN TRUST CORP	0.76%	139.2K	1.01M	18.45K	+15.28%
Mar 31, 2025	DIMENSIONAL FUND ADVISORS LP	0.67%	123.96K	901.84K	12.34K	+11.06%
Mar 31, 2025	THOMPSON SIEGEL & WALMSLEY LLC	0.57%	104.78K	762K	-110.82K	-51.40%
Mar 31, 2025	SUSQUEHANNA INTERNATIONAL GROUP, LLP	0.11%	19.7K	143.22K	4.6K	+30.46%
Mar 31, 2025	CITADEL ADVISORS LLC	0.15%	27.1K	197.02K	21.3K	+367.24%
Mar 31, 2025	CONGRESS WEALTH MANAGEMENT LLC / DE /	0.11%	20.5K	149.04K	20.5K	+100.00%
Mar 31, 2025	DEUTSCHE BANK AG\	0.08%	15.48K	112.53K	0	0
Mar 31, 2025	FERMATA ADVISORS, LLC	0.08%	15.37K	111.73K	461	+3.09%
Mar 31, 2024	TREXQUANT INVESTMENT LP	0%	0	-	-17.91K	-100.00%
Mar 31, 2024	ROYAL BANK OF CANADA	0%	0	-	-100	-100.00%
Mar 31, 2024	JPMORGAN CHASE & CO	0.01%	743	8.83K	278	+59.78%
Mar 31, 2024	TOWER RESEARCH CAPITAL LLC (TRC)	0.01%	938	11.15K	-1.53K	-61.92%
Mar 31, 2024	VENTURI WEALTH MANAGEMENT, LLC	0.02%	3K	35.67K	0	0
Mar 31, 2024	BANK OF AMERICA CORP /DE/	0.03%	4.65K	55.24K	4.64K	+57,975.00%
Mar 31, 2024	CITADEL ADVISORS LLC	0.02%	2.7K	32.1K	1.7K	+170.00%
Mar 31, 2024	HILLSDALE INVESTMENT MANAGEMENT INC.	0.07%	9.25K	109.99K	0	0
Mar 31, 2024	FERMATA ADVISORS, LLC	0.09%	12.28K	145.95K	775	+6.74%
Mar 31, 2024	ARS INVESTMENT PARTNERS, LLC	1.13%	152.43K	1.81M	-10.8K	-6.61%
Mar 31, 2024	ESSEX INVESTMENT MANAGEMENT CO LLC	1.4%	189.45K	2.25M	2.91K	+1.56%
Mar 31, 2024	PERRITT CAPITAL MANAGEMENT INC	1.46%	196.82K	2.34M	-1.35K	-0.68%
Mar 31, 2024	BLACKROCK INC.	2.04%	275.21K	3.27M	-18.59K	-6.33%
Mar 31, 2024	HEARTLAND ADVISORS INC	3.7%	500K	5.95M	0	0
Mar 31, 2024	UBS GROUP AG	0%	90	1.07K	-3.23K	-97.29%
Mar 31, 2024	ADVISOR GROUP HOLDINGS, INC.	0.01%	2K	23.78K	1K	+100.00%
Mar 31, 2024	SIMPLEX TRADING, LLC	0.02%	2.67K	31K	2.67K	+100.00%
Mar 31, 2024	JANE STREET GROUP, LLC	0.15%	20.1K	239.03K	8.58K	+74.46%
Mar 31, 2024	COMMONS CAPITAL, LLC	0.16%	21.98K	261.28K	0	0
Mar 31, 2024	BRIDGEWAY CAPITAL MANAGEMENT, LLC	0.16%	22.1K	262.77K	0	0
Mar 31, 2024	NORTHERN TRUST CORP	0.21%	28.95K	344.16K	1.99K	+7.37%
Mar 31, 2024	SUSQUEHANNA INTERNATIONAL GROUP, LLP	0.19%	25.9K	307.95K	10K	+62.89%
Mar 31, 2024	QUBE RESEARCH & TECHNOLOGIES LTD	0.23%	31.2K	370.98K	-2.38K	-7.09%
Mar 31, 2024	MORGAN DEMPSEY CAPITAL MANAGEMENT LLC	0.29%	38.67K	459.8K	-1.45K	-3.61%
Mar 31, 2024	MORGAN STANLEY	0.01%	1.85K	22.02K	-3.68K	-66.52%
Mar 31, 2024	BAILARD, INC.	0.23%	31.67K	376.5K	0	0
Mar 31, 2024	APIS CAPITAL ADVISORS, LLC	0.34%	46K	546.94K	-26K	-36.11%
Mar 31, 2024	STATE STREET CORP	0.35%	47.18K	560.99K	0	0
Mar 31, 2024	DIMENSIONAL FUND ADVISORS LP	0.48%	64.56K	767.58K	-4.31K	-6.25%
Mar 31, 2024	LEGATO CAPITAL MANAGEMENT LLC	0.56%	75.03K	892.12K	0	0
Mar 31, 2024	GEODE CAPITAL MANAGEMENT, LLC	1%	135.08K	1.61M	1.35K	+1.01%
Mar 31, 2024	ANCORA ADVISORS, LLC	1.06%	143.65K	1.71M	0	0
Mar 31, 2024	RENAISSANCE TECHNOLOGIES LLC	1.1%	148.8K	1.77M	-19.2K	-11.43%
Mar 31, 2024	BARCLAYS PLC	0%	0	-	-4.26K	-100.00%
Mar 31, 2024	WELLS FARGO & COMPANY/MN	0%	97	1.15K	2	+2.11%
Mar 31, 2024	WEST PACES ADVISORS INC.	0%	125	1.49K	0	0
Mar 31, 2024	CITIGROUP INC	0.06%	7.42K	88.26K	-12.76K	-63.23%
Mar 31, 2024	Y-INTERCEPT (HONG KONG) LTD	0.08%	10.52K	125.13K	10.52K	+100.00%
Mar 31, 2024	PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C.	0.5%	67.25K	800K	0	0
Mar 31, 2024	MILLENNIUM MANAGEMENT LLC	0.64%	86.25K	1.03M	38.35K	+80.06%
Mar 31, 2024	VANGUARD GROUP INC	4.37%	590.04K	7.02M	0	0
Mar 31, 2024	PLANNED SOLUTIONS, INC.	0%	0	-	-700	-100.00%
Mar 31, 2024	STEWARD PARTNERS INVESTMENT ADVISORY, LLC	0%	0	-	-1K	-100.00%
Mar 31, 2024	QUADRATURE CAPITAL LTD	0%	0	-	-34.03K	-100.00%
Dec 31, 2023	PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C.	0.5%	67.25K	529K	67.25K	+100.00%
Dec 31, 2023	DIMENSIONAL FUND ADVISORS LP	0.51%	68.86K	541.26K	-7.79K	-10.16%
Dec 31, 2023	APIS CAPITAL ADVISORS, LLC	0.53%	72K	565.92K	6K	+9.09%
Dec 31, 2023	GEODE CAPITAL MANAGEMENT, LLC	0.99%	133.72K	1.05M	2.49K	+1.90%
Dec 31, 2023	LEGATO CAPITAL MANAGEMENT LLC	0.55%	75.03K	589.74K	20.4K	+37.33%
Dec 31, 2023	ANCORA ADVISORS, LLC	1.06%	143.65K	1.13M	27.77K	+23.97%
Dec 31, 2023	ARS INVESTMENT PARTNERS, LLC	1.2%	163.22K	1.28M	-4.86K	-2.89%
Dec 31, 2023	RENAISSANCE TECHNOLOGIES LLC	1.24%	168K	1.32M	39.6K	+30.84%
Dec 31, 2023	ESSEX INVESTMENT MANAGEMENT CO LLC	1.37%	186.54K	1.47M	41.05K	+28.22%
Dec 31, 2023	PERRITT CAPITAL MANAGEMENT INC	1.46%	198.17K	1.56M	-9K	-4.34%
Dec 31, 2023	BLACKROCK INC.	2.17%	293.8K	2.31M	-1.46K	-0.49%
Dec 31, 2023	POTOMAC CAPITAL MANAGEMENT, INC.	2.2%	298.98K	2.35M	2.51K	+0.85%
Dec 31, 2023	HEARTLAND ADVISORS INC	3.69%	500K	3.93M	0	0
Dec 31, 2023	VANGUARD GROUP INC	4.35%	590.04K	4.64M	47.81K	+8.82%
Dec 31, 2023	HRT FINANCIAL LP	0%	0	-	-16.31K	-100.00%
Dec 31, 2023	UNITED CAPITAL FINANCIAL ADVISERS, LLC	0%	0	-	-25K	-100.00%
Dec 31, 2023	TWO SIGMA INVESTMENTS, LP	0%	0	-	-17.27K	-100.00%
Dec 31, 2023	GROUP ONE TRADING, L.P.	0%	0	-	-16.6K	-100.00%
Dec 31, 2023	WOLVERINE TRADING, LLC	0%	0	-	-22.63K	-100.00%
Dec 31, 2023	ACADIAN ASSET MANAGEMENT LLC	0%	0	-	-9.93K	-100.00%
Dec 31, 2023	BANK OF AMERICA CORP /DE/	0%	8	63	-171	-95.53%
Dec 31, 2023	WELLS FARGO & COMPANY/MN	0%	95	747	5	+5.56%
Dec 31, 2023	ROYAL BANK OF CANADA	0%	100	1K	100	+100.00%
Dec 31, 2023		0%	125	983	0	0
Dec 31, 2023	JPMORGAN CHASE & CO	0%	465	3.66K	465	+100.00%
Dec 31, 2023	PLANNED SOLUTIONS, INC.	0.01%	700	5.5K	700	+100.00%
Dec 31, 2023	STEWARD PARTNERS INVESTMENT ADVISORY, LLC	0.01%	1K	7.86K	0	0
Dec 31, 2023	ADVISOR GROUP HOLDINGS, INC.	0.01%	1K	7.86K	-601	-37.54%
Dec 31, 2023	TOWER RESEARCH CAPITAL LLC (TRC)	0.02%	2.46K	19.36K	2.46K	+100.00%
Dec 31, 2023	VENTURI WEALTH MANAGEMENT, LLC	0.02%	3K	23.58K	0	0
Dec 31, 2023	UBS GROUP AG	0.02%	3.32K	26.08K	-427	-11.40%
Dec 31, 2023	BARCLAYS PLC	0.03%	4.26K	33K	-2.39K	-36.00%
Dec 31, 2023	MORGAN STANLEY	0.04%	5.53K	43.47K	4.28K	+340.37%
Dec 31, 2023	HILLSDALE INVESTMENT MANAGEMENT INC.	0.07%	9.25K	72.71K	-3.4K	-26.88%
Dec 31, 2023	FERMATA ADVISORS, LLC	0.08%	11.5K	90.39K	11.5K	+100.00%
Dec 31, 2023	JANE STREET GROUP, LLC	0.08%	11.52K	90.57K	11.52K	+100.00%
Dec 31, 2023	TREXQUANT INVESTMENT LP	0.13%	17.91K	140.79K	-6K	-25.08%
Dec 31, 2023	CITIGROUP INC	0.15%	20.19K	158.65K	-16.45K	-44.90%
Dec 31, 2023	COMMONS CAPITAL, LLC	0.16%	21.98K	172.72K	0	0
Dec 31, 2023	BRIDGEWAY CAPITAL MANAGEMENT, LLC	0.16%	22.1K	173.71K	22.1K	+100.00%
Dec 31, 2023	NORTHERN TRUST CORP	0.2%	26.96K	211.89K	1.42K	+5.56%
Dec 31, 2023	BAILARD, INC.	0.23%	31.67K	248.89K	31.67K	+100.00%
Dec 31, 2023	QUBE RESEARCH & TECHNOLOGIES LTD	0.25%	33.58K	263.96K	30.36K	+940.98%
Dec 31, 2023	QUADRATURE CAPITAL LTD	0.25%	34.03K	267.47K	3.55K	+11.63%
Dec 31, 2023	MORGAN DEMPSEY CAPITAL MANAGEMENT LLC	0.3%	40.12K	315.35K	0	0
Dec 31, 2023	CITADEL ADVISORS LLC	0.01%	1K	7.86K	-13.6K	-93.15%
Dec 31, 2023	STATE STREET CORP	0.35%	47.18K	370.85K	200	+0.43%
Dec 31, 2023	MILLENNIUM MANAGEMENT LLC	0.35%	47.9K	376.51K	-22.32K	-31.78%

Insiders

Among the PESI insiders holding of 7.33% of the stake in company, REEDER JOE, director, holds the largest shares of 220.36K. CENTOFANTI LOUIS F, EVP of Strategic Initiatives, is the second largest PESI insider with ownership of 218.77K shares. SHELTON LARRY, director, stands third with possession of 189.88K shares of that stake.

Insiders	Designation	Shares Held
REEDER JOE	director	220.36K
CENTOFANTI LOUIS F	EVP of Strategic Initiatives	218.77K
SHELTON LARRY	director	189.88K
DUFF MARK	President and CEO	134.56K
NACCARATO BEN	Chief Financial Officer	48.81K
LOMBARDO ANDY	EVP of Nuclear & Technical Svc	17.45K
DUGGAN KERRY C	director	3.68K
ESHLEMAN TROY	Chief Operating Officer	1.35K
GRONDIN RICHARD	EVP of Waste Treatment Ops	1.04K

Buying/Selling by Insiders

Date	Insider	Type	Cost	Shares	Value ($)	Shares Total
Sep 16, 2025	DUGGAN KERRY C	SALE	8.60	5.65K	48.62K	3.68K
Sep 11, 2025	SHELTON LARRY	PURCHASE	8.58	1K	8.58K	189.88K
Sep 11, 2025	DUFF MARK	PURCHASE	8.05	897	7.22K	134.56K
Sep 09, 2025	SHELTON LARRY	PURCHASE	9.61	1K	9.61K	188.88K
May 30, 2025	DUGGAN KERRY C	SALE	10.92	16.63K	181.64K	8.22K
Mar 21, 2025	DUFF MARK	PURCHASE	7.02	750	5.27K	132.36K
Mar 21, 2025	NACCARATO BEN	PURCHASE	7.00	400	2.8K	48.81K
Mar 18, 2025	ESHLEMAN TROY	PURCHASE	7.35	1.35K	9.92K	1.35K
Mar 18, 2025	DUFF MARK	PURCHASE	7.10	500	3.55K	131.11K
Mar 17, 2025	CENTOFANTI LOUIS F	PURCHASE	7.31	1K	7.31K	218.77K
Sep 04, 2024	DUFF MARK	PURCHASE	9.91	500	4.96K	112.7K
Sep 03, 2024	DUFF MARK	PURCHASE	10.48	500	5.24K	111.45K
Dec 05, 2023	LOMBARDO ANDY	PURCHASE	7.63	2.15K	16.4K	17.45K
Dec 01, 2023	DUFF MARK	PURCHASE	7.07	750	5.3K	108.7K
Dec 01, 2023	SHELTON LARRY	PURCHASE	7.20	2K	14.4K	167.16K
May 26, 2023	REEDER JOE	SALE	11.57	6.01K	69.54K	220.36K
May 17, 2023	REEDER JOE	SALE	11.53	19.39K	223.51K	226.37K
Dec 22, 2022	CENTOFANTI LOUIS F	PURCHASE	3.78	1.7K	6.43K	174.23K
Dec 14, 2022	NACCARATO BEN	PURCHASE	3.47	575	2K	4.39K
Dec 08, 2022	CENTOFANTI LOUIS F	PURCHASE	3.38	2K	6.76K	172.53K
Nov 22, 2022	DUFF MARK	PURCHASE	3.89	1K	3.89K	40.98K
Sep 08, 2022	GRONDIN RICHARD	PURCHASE	4.87	1K	4.87K	1.04K
Sep 08, 2022	CENTOFANTI LOUIS F	PURCHASE	4.89	1K	4.89K	172.53K
Sep 07, 2022	CENTOFANTI LOUIS F	PURCHASE	4.74	2K	9.48K	170.53K
Sep 07, 2022	LOMBARDO ANDY	PURCHASE	4.73	200	945.2	6.1K
Sep 07, 2022	DUFF MARK	PURCHASE	4.75	1K	4.75K	39.98K
Jun 16, 2022	SHELTON LARRY	PURCHASE	5.05	37	186.85	143.75K
Jun 13, 2022	SHELTON LARRY	PURCHASE	5.33	1K	5.33K	143.72K
Jun 03, 2022	NACCARATO BEN	PURCHASE	5.50	500	2.75K	3.82K
May 11, 2022	DUFF MARK	PURCHASE	5.50	1K	5.5K	38.48K
Dec 20, 2021	DUFF MARK	PURCHASE	6.50	600	3.9K	19.96K
Dec 17, 2021	DUFF MARK	PURCHASE	6.57	1K	6.57K	19.32K
Dec 15, 2021	CENTOFANTI LOUIS F	PURCHASE	6.81	1K	6.81K	168.53K
Jan 04, 2021	SHELTON LARRY	PURCHASE	4.48	2.4K	10.72K	127.66K
Dec 29, 2020	DUFF MARK	PURCHASE	5.85	500	2.93K	18.32K
Nov 09, 2020	SHELTON LARRY	PURCHASE	6.32	1K	6.32K	125.26K
Nov 09, 2020	DUFF MARK	PURCHASE	6.20	500	3.1K	17.82K
Nov 09, 2020	CENTOFANTI LOUIS F	PURCHASE	6.30	1K	6.3K	167.53K
Sep 24, 2020	CENTOFANTI LOUIS F	PURCHASE	6.61	500	3.31K	169.23K
Aug 12, 2020	DUFF MARK	PURCHASE	6.85	20	137	17.32K
Aug 11, 2020	DUFF MARK	PURCHASE	7.11	500	3.56K	16.05K
Aug 11, 2020	CENTOFANTI LOUIS F	PURCHASE	7.01	1K	7.01K	168.73K
Jun 26, 2020	CENTOFANTI LOUIS F	PURCHASE	6.15	1K	6.15K	167.73K
May 14, 2020	NACCARATO BEN	PURCHASE	6.00	218	1.31K	3.22K
Mar 30, 2020	DUFF MARK	PURCHASE	5.10	500	2.55K	15.55K
Mar 24, 2020	NACCARATO BEN	PURCHASE	4.75	500	2.38K	3K
Mar 24, 2020	CENTOFANTI LOUIS F	PURCHASE	4.75	1K	4.75K	166.73K
Mar 24, 2020	LOMBARDO ANDY	PURCHASE	4.89	100	488.68	3.5K
Mar 23, 2020	DUFF MARK	PURCHASE	4.15	1K	4.15K	14.55K
Sep 30, 2019	CENTOFANTI LOUIS F	PURCHASE	4.56	200	912	165.73K
Sep 26, 2019	CENTOFANTI LOUIS F	PURCHASE	4.55	300	1.37K	165.53K
Sep 20, 2019	CENTOFANTI LOUIS F	PURCHASE	4.39	200	878	165.23K
Sep 19, 2019	CENTOFANTI LOUIS F	PURCHASE	4.16	300	1.25K	165.03K
Sep 13, 2019	CENTOFANTI LOUIS F	PURCHASE	3.87	100	387	164.43K
Sep 12, 2019	CENTOFANTI LOUIS F	PURCHASE	3.80	200	760	163.93K
Aug 29, 2019	NACCARATO BEN	PURCHASE	3.90	500	1.95K	2.5K
Aug 28, 2019	REEDER JOE	PURCHASE	3.97	7.5K	29.78K	182.15K
Aug 26, 2019	REEDER JOE	PURCHASE	3.95	17.89K	70.67K	174.65K
Aug 16, 2019	CENTOFANTI LOUIS F	PURCHASE	4.00	200	800	163.73K
Aug 15, 2019	CENTOFANTI LOUIS F	PURCHASE	3.85	500	1.93K	163.23K
Aug 14, 2019	DUFF MARK	PURCHASE	3.80	1K	3.8K	12.55K
Jun 21, 2019	CENTOFANTI LOUIS F	PURCHASE	3.97	1K	3.97K	162.73K
May 15, 2019	DUFF MARK	PURCHASE	3.70	500	1.85K	11.55K
May 14, 2019	DUFF MARK	PURCHASE	3.80	500	1.9K	11.05K
May 14, 2019	CENTOFANTI LOUIS F	PURCHASE	3.82	1.2K	4.58K	161.73K
May 13, 2019	DUFF MARK	PURCHASE	3.90	500	1.95K	10.55K
Dec 28, 2018	CENTOFANTI LOUIS F	PURCHASE	2.36	1K	2.36K	160.53K
Dec 28, 2018	DUFF MARK	PURCHASE	2.25	500	1.13K	9.5K
Dec 27, 2018	CENTOFANTI LOUIS F	PURCHASE	2.17	1.8K	3.91K	159.53K
Dec 17, 2018	DUFF MARK	PURCHASE	2.95	700	2.07K	9K
Dec 14, 2018	NACCARATO BEN	PURCHASE	2.65	500	1.33K	2K
Dec 14, 2018	DUFF MARK	PURCHASE	2.63	1	2.63	8.3K
Dec 14, 2018	CENTOFANTI LOUIS F	PURCHASE	2.65	300	795	157.73K
Dec 13, 2018	CENTOFANTI LOUIS F	PURCHASE	2.76	200	552	157.43K
Dec 07, 2018	CENTOFANTI LOUIS F	PURCHASE	2.70	200	540	157.13K
Dec 06, 2018	CENTOFANTI LOUIS F	PURCHASE	2.81	400	1.12K	156.93K
Dec 03, 2018	CENTOFANTI LOUIS F	PURCHASE	3.00	1K	3K	156.53K
Nov 13, 2018	CENTOFANTI LOUIS F	PURCHASE	3.30	500	1.65K	155.53K
Nov 09, 2018	DUFF MARK	PURCHASE	3.35	700	2.35K	6.7K
Sep 28, 2018	CENTOFANTI LOUIS F	PURCHASE	4.20	300	1.26K	155.03K
Sep 27, 2018	CENTOFANTI LOUIS F	PURCHASE	4.36	700	3.05K	154.73K
Sep 12, 2018	CENTOFANTI LOUIS F	PURCHASE	4.90	200	980	153.33K
Aug 15, 2017	DUFF MARK	PURCHASE	3.40	1.5K	5.1K	6K
Aug 14, 2017	DUFF MARK	PURCHASE	3.45	1.5K	5.18K	4.5K

Insider Transaction Summary (6 Months)

SHARESTRANS

PURCHASE2.9K3

SALES5.65K1

NET SHARES-2.76K2

SHARES HELD517K4

% NET SHARES-100.53%-50%

Frequently Asked Questions