How many institutions own ARX 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 ARX shares is 14, representing 3.64% of the company's common stock.

Who are the major shareholders selling Accelerant Holdings stock?

N/A, in the last quarter, reduced its stake in ARX by N/A restricting it's holding to - shares of worth nearly -. N/A also lessened N/A of the ARX shares from its portfolio, reducing its holding to - shares of worth -. N/A also shunned ARX shares holding by N/A last quarter which brought its holding to - shares worth -.

Investors who are buying ARX stock?

As per its latest 13F filing, SECURITY BENEFIT LIFE INSURANCE CO /KS/ increased its stake in ARX by 100% in the last quarter. The institutional holder raised its holding to 5.87 million shares having worth more than $80.80M. GILDER GAGNON HOWE & CO LLC also added 100% more shares of ARX to its portfolio, raising its holding to 3.9 million shares of worth $58.05M. BARINGS LLC also increased its ARX shares holding by 100% which brought its holding to 3.13 million shares worth $46.37M.

ARX's major insiders: who are they?

The insider with the most stakes in ARX is RADKE JEFFREY L , Co-Founder, CEO at the company. Additionally, ARX stock is highly held by Co-Founder, Head of Distrib. Lee-Smith Christopher and Co-Founder, Chief U/W Officer ONeill Francis James among others.

Did an insider recently sell ARX stock?

Company executives, directors, and other insiders own 24.59% percent of Accelerant Holdings's stock. Within the last six months, there have been 1 transaction(s) in which ARX insiders have sold stock, totaling 326.31K shares. Insiders that have sold shares include SCHWARTZ KEONI ANDREW.

Which insider recently purchased ARX stock?

There have been 7 transaction(s) during the past 6-months in which Accelerant Holdings insiders have bought stock, totalling 141052 shares

How much of ARX does insiders own?

Around 53.33M Accelerant Holdings shares are held by insiders, which represents about 24.59% of ARX stock.

Who is the insider with the largest stake?

ARX Co-Founder, CEO, RADKE JEFFREY L holds the largest portfolio of the company's shares. ARX shares owned by RADKE total nearly 28.26 million.

Which institution holds the most shares in ARX?

SECURITY BENEFIT LIFE INSURANCE CO /KS/ is the largest institutional owner in ARX which holds 5.87 million shares worth $80.80M or 3.61% of the total ARX shares outstanding followed by GILDER GAGNON HOWE & CO LLC with ownership of 3.9 million shares representing 2.4% of the ARX ownership. BARINGS LLC is the third largest stakeholder with 3.13 million shares or 1.93% of the ownership worth more than $46.37M.

Is Accelerant Holdings 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 ARX is concerned, it is a stock which is optionable.

Is there a short position on ARX's shares?

Number of ARX shares short is null. 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 ARX shares are there?

As of today, null shares of ARX are outstanding.

Is there many float in ARX 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, ARX has null shares in float.

ARX 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 ARX is null.

Accelerant (ARX) 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 SharesN/A

Short Percent Of FloatN/A

Shares OutstandingN/A

Shares FloatN/A

Shares ShortN/A

Short RatioN/A

N/A

Short % of Float

N/A

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

24.59% Percentage of Shares held by All Insiders

3.64% Percentage of Shares held by All Institutions

4.83% Percentage of Float held by Institutions

Number of Institutions Holding Shares

Institutional Ownership

About 3.64% of ARX shares are held by financial institutions. SECURITY BENEFIT LIFE INSURANCE CO /KS/ is the top corporate investor, holding 5.87M shares valued at $80.80M. A 3.61% stake in Accelerant Holdings is owned by the company. GILDER GAGNON HOWE & CO LLC owns 3.9M shares valued at $58.05M, which translates its holding of 2.4% of the stake in the company.

Date	Holder	% Stake	Shares Held	Total Value ($)	Shares	% Change in Portfolio
Sep 30, 2025	SECURITY BENEFIT LIFE INSURANCE CO /KS/	3.61%	5.87M	80.8M	5.87M	+100.00%
Sep 30, 2025	GILDER GAGNON HOWE & CO LLC	2.4%	3.9M	58.05M	3.9M	+100.00%
Sep 30, 2025	BARINGS LLC	1.93%	3.13M	46.37M	3.13M	+100.00%
Sep 30, 2025	ALLIANCEBERNSTEIN L.P.	1.72%	2.79M	41.53M	2.79M	+100.00%
Sep 30, 2025	T. ROWE PRICE INVESTMENT MANAGEMENT, INC.	1.45%	2.36M	35.08M	2.36M	+100.00%
Sep 30, 2025	DEER PARK ROAD CORP	1.29%	2.1M	29.69M	2.1M	+100.00%
Sep 30, 2025	JPMORGAN CHASE & CO	0.99%	1.61M	23.99M	1.61M	+100.00%
Sep 30, 2025	BAMCO INC /NY/	0.75%	1.22M	18.14M	1.22M	+100.00%
Sep 30, 2025	ARROWMARK COLORADO HOLDINGS LLC	0.63%	1.03M	15.36M	1.03M	+100.00%
Sep 30, 2025	DRIEHAUS CAPITAL MANAGEMENT LLC	0.62%	1.01M	15.07M	1.01M	+100.00%
Sep 30, 2025	GRANDEUR PEAK GLOBAL ADVISORS, LLC	0.58%	945.93K	14.08M	945.93K	+100.00%
Sep 30, 2025	AMERICAN CENTURY COMPANIES INC	0.56%	912.83K	13.59M	912.83K	+100.00%
Sep 30, 2025	MILLENNIUM MANAGEMENT LLC	0.54%	872.08K	12.99M	872.08K	+100.00%
Sep 30, 2025	NEUBERGER BERMAN GROUP LLC	0.46%	746.12K	11.11M	746.12K	+100.00%
Sep 30, 2025	AZORA CAPITAL LP	0.39%	627.12K	9.34M	627.12K	+100.00%
Sep 30, 2025	JANUS HENDERSON GROUP PLC	0.33%	543.28K	8.09M	543.28K	+100.00%
Sep 30, 2025	FRED ALGER MANAGEMENT, LLC	0.32%	520.92K	7.76M	520.92K	+100.00%
Sep 30, 2025	BANK OF AMERICA CORP /DE/	0.31%	510.38K	7.6M	510.38K	+100.00%
Sep 30, 2025	JOURNEY ADVISORY GROUP, LLC	0.27%	432.53K	7.89M	432.53K	+100.00%
Sep 30, 2025	CENTERBOOK PARTNERS LP	0.24%	382.65K	5.7M	382.65K	+100.00%
Sep 30, 2025	DRAGONEER INVESTMENT GROUP, LLC	0.21%	336.36K	5.01M	336.36K	+100.00%
Sep 30, 2025	WALLEYE CAPITAL LLC	0.18%	299.8K	4.46M	299.8K	+100.00%
Sep 30, 2025	VERITION FUND MANAGEMENT LLC	0.17%	272.24K	4.05M	272.24K	+100.00%
Sep 30, 2025	SQUAREPOINT OPS LLC	0.14%	229.9K	3.42M	229.9K	+100.00%
Sep 30, 2025	SOROS FUND MANAGEMENT LLC	0.14%	225K	3.35M	225K	+100.00%
Sep 30, 2025	INTERVAL PARTNERS, LP	0.13%	217.01K	3.23M	217.01K	+100.00%
Sep 30, 2025	DAVIDSON KEMPNER CAPITAL MANAGEMENT LP	0.13%	208.6K	3.11M	208.6K	+100.00%
Sep 30, 2025	BLACKSTONE INC.	0.12%	200K	2.98M	200K	+100.00%
Sep 30, 2025	SEVEN GRAND MANAGERS, LLC	0.12%	200K	2.98M	200K	+100.00%
Sep 30, 2025	JAIN GLOBAL LLC	0.12%	200K	2.98M	200K	+100.00%
Sep 30, 2025	TEACHER RETIREMENT SYSTEM OF TEXAS	0.11%	175K	2.61M	175K	+100.00%
Sep 30, 2025	LIGHTHOUSE INVESTMENT PARTNERS, LLC	0.11%	172.31K	2.57M	172.31K	+100.00%
Sep 30, 2025	SCHONFELD STRATEGIC ADVISORS LLC	0.1%	156.66K	2.33M	156.66K	+100.00%
Sep 30, 2025	D. E. SHAW & CO., INC.	0.1%	156.47K	2.33M	156.47K	+100.00%
Sep 30, 2025	CENTIVA CAPITAL, LP	0.09%	151.03K	2.25M	151.03K	+100.00%
Sep 30, 2025	ROYAL BANK OF CANADA	0.09%	150.7K	2.24M	150.7K	+100.00%
Sep 30, 2025	WOODLINE PARTNERS LP	0.09%	145.41K	2.17M	145.41K	+100.00%
Sep 30, 2025	BURKEHILL GLOBAL MANAGEMENT, LP	0.06%	100K	1.49M	100K	+100.00%
Sep 30, 2025	GOLDMAN SACHS GROUP INC	0.06%	94.35K	1.4M	94.35K	+100.00%
Sep 30, 2025	PEMBROKE MANAGEMENT, LTD	0.06%	93.79K	1.4M	93.79K	+100.00%
Sep 30, 2025	MORGAN STANLEY	0.06%	90.1K	1.34M	90.1K	+100.00%
Sep 30, 2025	CITADEL ADVISORS LLC	0.05%	84.9K	1.26M	84.9K	+100.00%
Sep 30, 2025	POINT72 ASSET MANAGEMENT, L.P.	0.05%	76.3K	1.14M	76.3K	+100.00%
Sep 30, 2025	HUDSON BAY CAPITAL MANAGEMENT LP	0.05%	84.3K	1.26M	84.3K	+100.00%
Sep 30, 2025	GHISALLO CAPITAL MANAGEMENT LLC	0.26%	425K	6.33M	425K	+100.00%
Sep 30, 2025	LMR PARTNERS LLP	0.16%	260K	3.87M	260K	+100.00%
Sep 30, 2025	BALYASNY ASSET MANAGEMENT L.P.	1.24%	2.02M	30.06M	2.02M	+100.00%
Sep 30, 2025	TUDOR INVESTMENT CORP ET AL	0.04%	72.17K	1.07M	72.17K	+100.00%
Sep 30, 2025	ALLIANZ ASSET MANAGEMENT GMBH	0.04%	71.4K	1.06M	71.4K	+100.00%
Sep 30, 2025	CUBIST SYSTEMATIC STRATEGIES, LLC	0.04%	66.39K	988.56K	66.39K	+100.00%
Sep 30, 2025	XTX TOPCO LTD	0.04%	63.87K	950.95K	63.87K	+100.00%
Sep 30, 2025	JANE STREET GROUP, LLC	0.03%	55.37K	824.39M	55.37K	+100.00%
Sep 30, 2025	PICTON MAHONEY ASSET MANAGEMENT	0.03%	52.35K	780K	52.35K	+100.00%
Sep 30, 2025	QUBE RESEARCH & TECHNOLOGIES LTD	0.03%	41.69K	620.82K	41.69K	+100.00%
Sep 30, 2025	TD ASSET MANAGEMENT INC	0.02%	40.07K	596.67K	40.07K	+100.00%
Sep 30, 2025	3G CAPITAL PARTNERS LP	0.02%	35K	521.15K	35K	+100.00%
Sep 30, 2025	TIGER GLOBAL MANAGEMENT LLC	0.05%	75K	1.12M	75K	+100.00%
Sep 30, 2025	BLACKROCK, INC.	1.42%	2.31M	34.35M	2.31M	+100.00%
Sep 30, 2025	VANGUARD GROUP INC	1.38%	2.25M	33.48M	2.25M	+100.00%

Insiders

Among the ARX insiders holding of 24.59% of the stake in company, RADKE JEFFREY L, Co-Founder, CEO, holds the largest shares of 28.26M. LEE-SMITH CHRISTOPHER, Co-Founder, Head of Distrib., is the second largest ARX insider with ownership of 17.66M shares. ONEILL FRANCIS JAMES, Co-Founder, Chief U/W Officer, stands third with possession of 7.24M shares of that stake.

Insiders	Designation	Shares Held
RADKE JEFFREY L	Co-Founder, CEO	28.26M
LEE-SMITH CHRISTOPHER	Co-Founder, Head of Distrib.	17.66M
ONEILL FRANCIS JAMES	Co-Founder, Chief U/W Officer	7.24M
STERNBERG MATTHEW DAVID	COO, Risk Exchange	157.96K
MERIWETHER KAREN SUE	director	9.75K
GAYNOR SAMUEL	director	7.5K
HASLEY NANCY	General Counsel	500
SCHWARTZ KEONI ANDREW		0

Buying/Selling by Insiders

Date	Insider	Type	Cost	Shares	Value ($)	Shares Total
Dec 08, 2025	MERIWETHER KAREN SUE	PURCHASE	14.67	542	7.95K	9.75K
Nov 19, 2025	LEE-SMITH CHRISTOPHER	PURCHASE	13.42	14.7K	197.24K	17.66M
Nov 19, 2025	GAYNOR SAMUEL	PURCHASE	13.44	7.5K	100.77K	7.5K
Nov 18, 2025	ONEILL FRANCIS JAMES	PURCHASE	13.34	38K	506.81K	7.24M
Nov 17, 2025	STERNBERG MATTHEW DAVID	PURCHASE	13.10	5.7K	74.7K	157.96K
Nov 14, 2025	RADKE JEFFREY L	PURCHASE	13.48	74.11K	999.37K	28.26M
Jul 25, 2025	SCHWARTZ KEONI ANDREW	SALE	21.00	326.31K	6.85M	0
Jul 25, 2025	HASLEY NANCY	PURCHASE	21.00	500	10.5K	500

Insider Transaction Summary (6 Months)

SHARESTRANS

PURCHASE141.05K7

SALES326.31K1

NET SHARES-185.26K6

SHARES HELD53.33M8

% NET SHARES-100.35%-25%

ARX Stock Ownership Breakdown

Accelerant

Stock Outstanding Shares

Market Insider

Institutional Ownership

Insiders

Buying/Selling by Insiders

Insider Transaction Summary (6 Months)

Frequently Asked Questions

Stock Outstanding Shares

Market Insider

Institutional Ownership

Insiders

Buying/Selling by Insiders

Insider Transaction Summary (6 Months)

Frequently Asked Questions