How many institutions own EFTR 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 EFTR shares is 3, representing 2.63% of the company's common stock.

Who are the major shareholders selling eFFECTOR Therapeutics, Inc. stock?

QUBE RESEARCH & TECHNOLOGIES LTD, in the last quarter, reduced its stake in EFTR by -100% restricting it's holding to 0 shares of worth nearly -. BARCLAYS PLC also lessened -100% of the EFTR shares from its portfolio, reducing its holding to 0 shares of worth -. PARALLEL ADVISORS, LLC also shunned EFTR shares holding by -100% last quarter which brought its holding to 0 shares worth -.

Investors who are buying EFTR stock?

As per its latest 13F filing, BARCLAYS PLC increased its stake in EFTR by 100% in the last quarter. The institutional holder raised its holding to 100 shares having worth more than $4.00. BANK OF AMERICA CORP /DE/ also added 100% more shares of EFTR to its portfolio, raising its holding to 27 shares of worth $13.00. JPMORGAN CHASE & CO also increased its EFTR shares holding by 126.67% which brought its holding to 68 shares worth $32.00.

EFTR's major insiders: who are they?

The insider with the most stakes in EFTR is SR ONE CAPITAL MANAGEMENT, LLC , 10 percent owner at the company. Additionally, EFTR stock is highly held by President and Chief Executive WORLAND STEPHEN T and ROOT JONATHAN D among others.

Did an insider recently sell EFTR stock?

Company executives, directors, and other insiders own 2.91% percent of eFFECTOR Therapeutics, Inc.'s stock. Within the last six months, there have been 0 transaction(s) in which EFTR insiders have sold stock, totaling 0 shares. Insiders that have sold shares include SR ONE CAPITAL MANAGEMENT, LLC, PRESIDIO MANAGEMENT GROUP X LLC, and ROOT JONATHAN D.

Which insider recently purchased EFTR stock?

There have been 0 transaction(s) during the past 6-months in which eFFECTOR Therapeutics, Inc. insiders have bought stock, totalling 0 shares

How much of EFTR does insiders own?

Around 0 eFFECTOR Therapeutics, Inc. shares are held by insiders, which represents about 2.91% of EFTR stock.

Who is the insider with the largest stake?

EFTR 10 percent owner, SR ONE CAPITAL MANAGEMENT, LLC holds the largest portfolio of the company's shares. EFTR shares owned by SR total nearly 1.82 million.

Which institution holds the most shares in EFTR?

BARCLAYS PLC is the largest institutional owner in EFTR which holds 100 shares worth $4.00 or 0% of the total EFTR shares outstanding followed by QUBE RESEARCH & TECHNOLOGIES LTD with ownership of 0 shares representing 0% of the EFTR ownership. BARCLAYS PLC is the third largest stakeholder with 0 shares or 0% of the ownership worth more than -.

Is eFFECTOR Therapeutics, 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 EFTR is concerned, it is a stock which is not optionable.

Is there a short position on EFTR's shares?

Number of EFTR shares short is 91.62K. 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 EFTR shares are there?

As of today, 4.70M shares of EFTR are outstanding.

Is there many float in EFTR 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, EFTR has 4.67M shares in float.

EFTR 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 EFTR is 0.97.

eFFECTOR Therapeutics (EFTR) 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

OptionableNo

Short Percent Of Outstanding Shares1.95

Short Percent Of Float1.97

Shares Outstanding4.70M

Shares Float4.67M

Shares Short91.62K

Short Ratio0.97

1.97%

Short % of Float

1.95%

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

2.91% Percentage of Shares held by All Insiders

2.63% Percentage of Shares held by All Institutions

2.71% Percentage of Float held by Institutions

Number of Institutions Holding Shares

Institutional Ownership

About 2.63% of EFTR shares are held by financial institutions. BARCLAYS PLC is the top corporate investor, holding 100 shares valued at $4.00. A 0% stake in eFFECTOR Therapeutics, Inc. is owned by the company. QUBE RESEARCH & TECHNOLOGIES LTD owns 0 shares valued at -, which translates its holding of 0% of the stake in the company.

Date	Holder	% Stake	Shares Held	Total Value ($)	Shares	% Change in Portfolio
Sep 30, 2025	BARCLAYS PLC	0%	100	4	100	+100.00%
Sep 30, 2024	QUBE RESEARCH & TECHNOLOGIES LTD	0%	0	-	-3	-100.00%
Sep 30, 2024	BARCLAYS PLC	0%	0	-	-100	-100.00%
Sep 30, 2024	PARALLEL ADVISORS, LLC	0%	0	-	-67.74K	-100.00%
Sep 30, 2024	UBS GROUP AG	0%	0	-	-61.67K	-100.00%
Sep 30, 2024	JANE STREET GROUP, LLC	0%	0	-	-18.67K	-100.00%
Sep 30, 2024	VIRTU FINANCIAL LLC	0%	0	-	-18.02K	-100.00%
Sep 30, 2024	TOWER RESEARCH CAPITAL LLC (TRC)	0%	0	-	-9.81K	-100.00%
Sep 30, 2024	GEODE CAPITAL MANAGEMENT, LLC	0%	0	-	-25.58K	-100.00%
Sep 30, 2024	CARLYLE GROUP INC.	0%	0	-	-192.88K	-100.00%
Sep 30, 2024	VANGUARD GROUP INC	0%	0	-	-25.07K	-100.00%
Sep 30, 2024	SABBY MANAGEMENT, LLC	1.51%	61.76K	2.29K	-290.33K	-82.46%
Sep 30, 2024	BANK OF AMERICA CORP /DE/	0%	0	-	-31	-100.00%
Sep 30, 2024	BLACKSTONE INC.	1.28%	52.34K	2.04K	0	0
Sep 30, 2024	MORGAN STANLEY	0%	0	-	-240	-100.00%
Sep 30, 2024	SEA OTTER ADVISORS LLC	0%	0	-	-10.56K	-100.00%
Sep 30, 2024	HRT FINANCIAL LP	0%	0	-	-21.53K	-100.00%
Sep 30, 2024	TWO SIGMA INVESTMENTS, LP	0%	0	-	-11.12K	-100.00%
Sep 30, 2024	ALYESKA INVESTMENT GROUP, L.P.	0%	0	-	-364.93K	-100.00%
Mar 31, 2024	OASIS MANAGEMENT CO LTD.	0%	0	-	-100K	-100.00%
Mar 31, 2024	BLACKSTONE INC.	2.39%	52.34K	753.22K	-1.26M	-96.00%
Mar 31, 2024	JPMORGAN CHASE & CO	0%	0	-	-68	-100.00%
Mar 31, 2024	BANK OF AMERICA CORP /DE/	0%	0	-	-27	-100.00%
Mar 31, 2024	WELLS FARGO & COMPANY/MN	0%	0	-	-314	-100.00%
Mar 31, 2024	NORTHERN TRUST CORP	0%	0	-	-160.81K	-100.00%
Mar 31, 2024	PARALLEL ADVISORS, LLC	3.1%	67.74K	974.75K	-1.63M	-96.00%
Mar 31, 2024	BLACKROCK INC.	0%	0	-	-554	-100.00%
Mar 31, 2024	STATE STREET CORP	0%	0	-	-30.89K	-100.00%
Mar 31, 2024	CARLYLE GROUP INC.	0%	0	-	-4.82M	-100.00%
Mar 31, 2024	TOWER RESEARCH CAPITAL LLC (TRC)	0%	0	-	-1.17K	-100.00%
Mar 31, 2024	VANGUARD GROUP INC	0%	0	-	-574.41K	-100.00%
Mar 31, 2024	STIFEL FINANCIAL CORP	0%	0	-	-22.66K	-100.00%
Mar 31, 2024	MORGAN STANLEY	0%	0	-	-18K	-100.00%
Mar 31, 2024	GEODE CAPITAL MANAGEMENT, LLC	0%	0	-	-407.97K	-100.00%
Mar 31, 2024	SECTORAL ASSET MANAGEMENT INC	0%	0	-	-2.38M	-100.00%
Mar 31, 2024	SUSQUEHANNA INTERNATIONAL GROUP, LLP	0%	0	-	-48.6K	-100.00%
Mar 31, 2024	TWO SIGMA SECURITIES, LLC	0%	0	-	-61.69K	-100.00%
Mar 31, 2024	ALYESKA INVESTMENT GROUP, L.P.	0%	0	-	-364.93K	-100.00%
Mar 31, 2024	CALLAN CAPITAL, LLC	0%	0	-	-20K	-100.00%
Mar 31, 2024	VONTOBEL HOLDING LTD.	0%	0	-	-15K	-100.00%
Mar 31, 2024	UBS GROUP AG	0%	0	-	-9.09K	-100.00%
Mar 31, 2024	QUBE RESEARCH & TECHNOLOGIES LTD	0%	0	-	-81	-100.00%
Mar 31, 2024	WESCOTT FINANCIAL ADVISORY GROUP, LLC	0%	0	-	-30.56K	-100.00%
Mar 31, 2024	SONORA INVESTMENT MANAGEMENT GROUP, LLC	0%	0	-	-125K	-100.00%
Dec 31, 2023	BANK OF AMERICA CORP /DE/	0%	27	13	27	+100.00%
Dec 31, 2023	JPMORGAN CHASE & CO	0%	68	32	38	+126.67%
Dec 31, 2023	WESCOTT FINANCIAL ADVISORY GROUP, LLC	0%	30.56K	14.28K	0	0
Dec 31, 2023	QUBE RESEARCH & TECHNOLOGIES LTD	0%	81	38	81	+100.00%
Dec 31, 2023	WELLS FARGO & COMPANY/MN	0%	314	147	17	+5.72%
Dec 31, 2023	BLACKROCK INC.	0%	554	259	0	0
Dec 31, 2023	TOWER RESEARCH CAPITAL LLC (TRC)	0%	1.17K	545	-11.17K	-90.53%
Dec 31, 2023	SECTORAL ASSET MANAGEMENT INC	0.15%	2.38M	1.11M	0	0
Dec 31, 2023	PARALLEL ADVISORS, LLC	0.11%	1.69M	791.57K	0	0
Dec 31, 2023	BLACKSTONE INC.	0.08%	1.31M	611.63K	0	0
Dec 31, 2023	VANGUARD GROUP INC	0.04%	574.41K	268.48K	170.39K	+42.17%
Dec 31, 2023	GEODE CAPITAL MANAGEMENT, LLC	0.03%	407.97K	190.73K	144.22K	+54.68%
Dec 31, 2023	ALYESKA INVESTMENT GROUP, L.P.	0.02%	364.93K	4.26M	364.93K	+100.00%
Dec 31, 2023	NORTHERN TRUST CORP	0.01%	160.81K	75.16K	124K	+336.82%
Dec 31, 2023	SONORA INVESTMENT MANAGEMENT GROUP, LLC	0.01%	125K	58.43K	0	0
Dec 31, 2023	OASIS MANAGEMENT CO LTD.	0.01%	100K	1.17M	0	0
Dec 31, 2023	TWO SIGMA SECURITIES, LLC	0%	61.69K	28.84K	61.69K	+100.00%
Dec 31, 2023	STATE STREET CORP	0%	30.89K	14.44K	10.8K	+53.77%
Dec 31, 2023	UBS GROUP AG	0%	9.09K	4.25K	-782	-7.92%
Dec 31, 2023	VONTOBEL HOLDING LTD.	0%	15K	7.01K	0	0
Dec 31, 2023	MORGAN STANLEY	0%	18K	8.41K	-1.92K	-9.64%
Dec 31, 2023	CALLAN CAPITAL, LLC	0%	20K	9.35K	0	0
Dec 31, 2023	STIFEL FINANCIAL CORP	0%	22.66K	10.59K	0	0
Dec 31, 2023	CARLYLE GROUP INC.	0.31%	4.82M	2.23M	0	0
Dec 31, 2023	SEA OTTER ADVISORS LLC	0%	0	-	-263.94K	-100.00%
Dec 31, 2023	SR ONE CAPITAL MANAGEMENT, LP	0%	0	-	-6.82M	-100.00%
Dec 31, 2023	COLUMN GROUP LLC	0%	0	-	-4.03M	-100.00%
Dec 31, 2023	MGO ONE SEVEN LLC	0%	0	-	-20.07K	-100.00%
Dec 31, 2023	EP WEALTH ADVISORS, LLC	0%	0	-	-31K	-100.00%
Dec 31, 2023	MILLENNIUM MANAGEMENT LLC	0%	0	-	-13.96K	-100.00%
Dec 31, 2023	RENAISSANCE TECHNOLOGIES LLC	0%	0	-	-28.27K	-100.00%

Insiders

Among the EFTR insiders holding of 2.91% of the stake in company, SR ONE CAPITAL MANAGEMENT, LLC, 10 percent owner, holds the largest shares of 1.82M. WORLAND STEPHEN T, President and Chief Executive, is the second largest EFTR insider with ownership of 214.98K shares. ROOT JONATHAN D, , stands third with possession of 127.57K shares of that stake.

Insiders	Designation	Shares Held
SR ONE CAPITAL MANAGEMENT, LLC	10 percent owner	1.82M
WORLAND STEPHEN T	President and Chief Executive	214.98K
ROOT JONATHAN D		127.57K
PRESIDIO MANAGEMENT GROUP X LLC	10 percent owner	127.57K
EHRLICH CHRISTOPHER B	director	35.21K
GALLAGHER BRIAN M. JR.		30K
BYRNES MICHAEL	Chief Financial Officer	29.23K

Buying/Selling by Insiders

Date	Insider	Type	Cost	Shares	Value ($)	Shares Total
Nov 27, 2023	SR ONE CAPITAL MANAGEMENT, LLC	SALE	0.61	178.59K	108.31K	1.82M
Oct 04, 2022	EHRLICH CHRISTOPHER B	PURCHASE	0.57	346	197.22	35.21K
Sep 26, 2022	EHRLICH CHRISTOPHER B	PURCHASE	0.55	18.87K	10.38K	34.87K
Aug 03, 2022	PRESIDIO MANAGEMENT GROUP X LLC	SALE	0.80	1.8K	1.44K	127.57K
Aug 02, 2022	PRESIDIO MANAGEMENT GROUP X LLC	SALE	0.80	853	679.84	129.37K
Aug 01, 2022	PRESIDIO MANAGEMENT GROUP X LLC	SALE	0.79	807	634.3	130.22K
Aug 01, 2022	ROOT JONATHAN D	SALE	0.80	1.8K	1.44K	127.57K
Jul 28, 2022	ROOT JONATHAN D	SALE	0.89	984	877.73	131.03K
Jul 28, 2022	PRESIDIO MANAGEMENT GROUP X LLC	SALE	0.89	984	877.73	131.03K
Jul 27, 2022	PRESIDIO MANAGEMENT GROUP X LLC	SALE	0.89	1.32K	1.18K	132.01K
Jul 26, 2022	PRESIDIO MANAGEMENT GROUP X LLC	SALE	0.90	84	75.94	133.33K
Jul 25, 2022	ROOT JONATHAN D	SALE	0.89	42.34K	37.77K	4.12M
Jul 25, 2022	PRESIDIO MANAGEMENT GROUP X LLC	SALE	0.93	69	64.24	133.41K
Jul 22, 2022	PRESIDIO MANAGEMENT GROUP X LLC	SALE	0.91	231	210.44	133.48K
Jul 21, 2022	PRESIDIO MANAGEMENT GROUP X LLC	SALE	0.96	81	77.44	133.71K
Jul 20, 2022	ROOT JONATHAN D	SALE	0.91	231	210.44	133.48K
Jul 20, 2022	PRESIDIO MANAGEMENT GROUP X LLC	SALE	1.00	304	304.3	133.8K
Jul 19, 2022	PRESIDIO MANAGEMENT GROUP X LLC	SALE	1.00	84	84	134.1K
Jul 18, 2022	PRESIDIO MANAGEMENT GROUP X LLC	SALE	1.08	635	686.44	134.18K
Jul 15, 2022	PRESIDIO MANAGEMENT GROUP X LLC	SALE	1.11	1.42K	1.58K	134.82K
Jul 15, 2022	ROOT JONATHAN D	SALE	1.08	635	686.44	134.18K
Jun 23, 2022	GALLAGHER BRIAN M. JR.	PURCHASE	1.59	30K	47.7K	30K
Jun 07, 2022	WORLAND STEPHEN T	PURCHASE	1.37	20K	27.4K	214.98K
Jun 07, 2022	BYRNES MICHAEL	PURCHASE	1.33	25K	33.26K	29.23K
May 19, 2022	PRESIDIO MANAGEMENT GROUP X LLC	SALE	1.69	266	449.27	136.24K
May 18, 2022	PRESIDIO MANAGEMENT GROUP X LLC	SALE	1.73	437	757.76	136.51K
May 17, 2022	ROOT JONATHAN D	SALE	1.69	8.31K	14.04K	4.26M
May 17, 2022	PRESIDIO MANAGEMENT GROUP X LLC	SALE	1.75	365	638.75	136.94K
May 16, 2022	PRESIDIO MANAGEMENT GROUP X LLC	SALE	1.75	395	689.67	137.31K
May 13, 2022	PRESIDIO MANAGEMENT GROUP X LLC	SALE	1.84	701	1.29K	137.7K
May 12, 2022	ROOT JONATHAN D	SALE	1.84	21.91K	40.29K	4.3M
May 12, 2022	PRESIDIO MANAGEMENT GROUP X LLC	SALE	2.00	336	673.01	138.41K
May 11, 2022	PRESIDIO MANAGEMENT GROUP X LLC	SALE	2.35	155	363.63	138.74K
May 10, 2022	PRESIDIO MANAGEMENT GROUP X LLC	SALE	2.41	1.24K	2.99K	138.9K
May 09, 2022	PRESIDIO MANAGEMENT GROUP X LLC	SALE	2.54	124	314.59	140.14K
May 09, 2022	ROOT JONATHAN D	SALE	2.41	38.74K	93.49K	4.34M
Feb 18, 2022	EHRLICH CHRISTOPHER B	PURCHASE	4.30	1K	4.3K	16K
Feb 14, 2022	EHRLICH CHRISTOPHER B	PURCHASE	4.45	2K	8.9K	15K
Feb 09, 2022	EHRLICH CHRISTOPHER B	PURCHASE	4.75	1K	4.75K	13K
Feb 08, 2022	EHRLICH CHRISTOPHER B	PURCHASE	4.92	1K	4.92K	12K
Feb 04, 2022	EHRLICH CHRISTOPHER B	PURCHASE	5.00	1K	5K	11K
Feb 03, 2022	EHRLICH CHRISTOPHER B	PURCHASE	5.15	5K	25.75K	10K
Jan 27, 2022	EHRLICH CHRISTOPHER B	PURCHASE	5.30	5K	26.52K	5K
Dec 02, 2021	ROOT JONATHAN D	SALE	5.68	252	1.43K	140.26K
Dec 02, 2021	PRESIDIO MANAGEMENT GROUP X LLC	SALE	5.68	252	1.43K	140.26K
Dec 01, 2021	ROOT JONATHAN D	SALE	6.44	597	3.84K	140.51K
Dec 01, 2021	PRESIDIO MANAGEMENT GROUP X LLC	SALE	6.44	597	3.84K	140.51K
Nov 30, 2021	ROOT JONATHAN D	SALE	6.53	850	5.55K	141.11K
Nov 30, 2021	PRESIDIO MANAGEMENT GROUP X LLC	SALE	6.53	850	5.55K	141.11K
Nov 29, 2021	PRESIDIO MANAGEMENT GROUP X LLC	SALE	6.70	799	5.35K	141.96K
Nov 29, 2021	ROOT JONATHAN D	SALE	6.70	799	5.35K	141.96K
Nov 26, 2021	ROOT JONATHAN D	SALE	7.01	156	1.09K	142.76K
Nov 26, 2021	PRESIDIO MANAGEMENT GROUP X LLC	SALE	7.01	156	1.09K	142.76K
Nov 24, 2021	ROOT JONATHAN D	SALE	7.36	1.13K	8.33K	142.92K
Nov 24, 2021	PRESIDIO MANAGEMENT GROUP X LLC	SALE	7.36	1.13K	8.33K	142.92K
Nov 23, 2021	PRESIDIO MANAGEMENT GROUP X LLC	SALE	7.40	461	3.41K	144.05K
Nov 23, 2021	ROOT JONATHAN D	SALE	7.40	461	3.41K	144.05K
Nov 22, 2021	ROOT JONATHAN D	SALE	7.86	812	6.38K	144.51K
Nov 19, 2021	ROOT JONATHAN D	SALE	8.12	224	1.82K	145.32K
Nov 18, 2021	ROOT JONATHAN D	SALE	8.53	519	4.43K	145.54K

Frequently Asked Questions