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Accelerant (ARX) Institutional Ownership

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$19.84 +0.01 (+0.03%)
Closing price 09/11/2026 03:58 PM Eastern
Extended Trading
$19.84 0.00 (0.00%)
As of 09/11/2026 07:30 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.
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Institutional Ownership Changes (13F Filings) for Accelerant (NYSE:ARX)

Number of
Institutional Buyers
(last 12 months)
81
Total
Institutional Inflows
(last 12 months)
$643.10M
Number of
Institutional Sellers
(last 12 months)
16
Total
Institutional Outflows
(last 12 months)
$98.34M
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ARX Institutional Buying and Selling by Quarter

Accelerant Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
9/9/2026 WINTON GROUP Ltd22,000$258K0.0%+59.4%0.010%
9/9/2026 Engineers Gate Manager LP98,354$1.15M0.0%+123.5%0.045%
9/9/2026 Squarepoint Ops LLC40,428$474K0.0%-81.0%0.019%
9/8/2026 Arizona State Retirement System16,108$189K0.0%+48.6%0.007%
8/24/2026 California State Teachers Retirement System769,899$9.02M0.0%+2,101.5%0.354%
6/12/2026 Militia Capital Management LLC150,000$2.00M0.4%N/A0.069%
5/19/2026 Bank of America Corp DE180,186$2.41M0.0%-46.3%0.081%
5/18/2026 Royal Bank of Canada7,729$103K0.0%+50.3%0.003%
5/16/2026 The Manufacturers Life Insurance Company10,229$137K0.0%N/A0.005%
5/16/2026 SummitTX Capital L.P.62,999$842K0.0%+11.0%0.028%
5/15/2026 Entropy Technologies LP17,909$239K0.0%N/A0.008%
5/14/2026 Renaissance Technologies LLC276,600$3.70M0.0%+280.5%0.125%
5/14/2026 Sei Investments Co.73,935$988K0.0%+95.1%0.033%
5/14/2026 State of Wyoming2,075$28K0.0%N/A0.001%
5/13/2026 Militia Capital Management LLC150,000$2.00M0.5%N/A0.068%
5/8/2026 PNC Financial Services Group Inc.6,157$82K0.0%+73.6%0.003%
5/6/2026 Arcus Capital Partners LLC10,100$135K0.0%N/A0.005%
5/5/2026 Bank of New York Mellon Corp36,556$488K0.0%N/A0.016%
2/19/2026 T. Rowe Price Investment Management Inc.976,086$15.96M0.0%-58.6%0.440%
2/18/2026 XTX Topco Ltd106,248$1.74M0.0%+66.4%0.048%
2/18/2026 SummitTX Capital L.P.56,780$928K0.0%+77.9%0.026%
2/18/2026 Quadrature Capital Ltd16,563$271K0.0%-76.6%0.007%
2/18/2026 Millennium Management LLC181,647$2.97M0.0%-79.2%0.082%
2/18/2026 Interval Partners LP169,348$2.77M0.0%-22.0%0.076%
2/18/2026Janus Henderson Group PLC23,500$384K0.0%-95.7%0.011%
2/18/2026 Balyasny Asset Management L.P.2,733,595$44.69M0.1%+35.4%1.232%
2/18/2026 Azora Capital LP2,439,094$39.88M2.5%+288.9%1.100%
2/18/2026 Bamco Inc. NY1,209,114$19.77M0.1%-0.8%0.545%
2/18/2026 Boothbay Fund Management LLC26,000$425K0.0%N/A0.012%
2/17/2026 Schonfeld Strategic Advisors LLC57,211$935K0.0%-63.5%0.026%
2/17/2026 Jain Global LLC50,234$821K0.0%-74.9%0.023%
2/17/2026 ArrowMark Colorado Holdings LLC1,644,013$26.88M0.6%+59.4%0.741%
2/17/2026 T. Rowe Price Investment Management Inc.371,800$6.08M0.0%-84.2%0.168%
2/17/2026 Ghisallo Capital Management LLC100,000$1.64M0.1%-76.5%0.045%
2/17/2026 California State Teachers Retirement System34,972$572K0.0%N/A0.016%
2/17/2026 State of Wisconsin Investment Board25,269$413K0.0%N/A0.011%
2/17/2026 Fred Alger Management LLC439,698$7.19M0.0%-15.6%0.198%
2/17/2026 Royal Bank of Canada5,144$84K0.0%-96.6%0.002%
2/16/2026 Squarepoint Ops LLC199,070$3.26M0.0%-13.4%0.090%
2/16/2026 FJ Capital Management LLC17,973$294K0.0%N/A0.008%
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2/16/2026 Landscape Capital Management L.L.C.12,888$211K0.0%N/A0.006%
2/16/2026 Barclays PLC10,375$170K0.0%N/A0.005%
2/13/2026 Marshall Wace LLP348,147$5.69M0.0%+230.9%0.157%
2/13/2026 Walleye Capital LLC125,880$2.06M0.0%-58.0%0.057%
2/13/2026 Hudson Bay Capital Management LP32,250$527K0.0%-61.7%0.015%
2/13/2026 Quarry LP1,611$26K0.0%-40.3%0.001%
2/13/2026 State Street Corp33,554$549K0.0%N/A0.015%
2/13/2026 UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC59,414$971K0.0%N/A0.027%
2/12/2026 Renaissance Technologies LLC72,700$1.19M0.0%N/A0.033%
2/12/2026 Counterpoint Mutual Funds LLC175,967$2.88M0.2%N/A0.079%
2/12/2026 Swiss National Bank77,900$1.27M0.0%N/A0.035%
2/11/2026 JPMorgan Chase & Co.1,952,996$31.93M0.0%+21.2%0.880%
2/11/2026 Capital World Investors5,767,631$94.30M0.0%+0.2%2.600%
2/10/2026 Goldman Sachs Group Inc.302,626$4.95M0.0%+220.8%0.136%
2/10/2026 Natixis Advisors LLC23,347$382K0.0%N/A0.011%
2/10/2026 Norges Bank665,076$10.87M0.0%N/A0.300%
2/9/2026Jefferies Financial Group Inc.44,980$735K0.0%+349.8%0.020%
2/3/2026 Wesbanco Bank Inc.10,000$164K0.0%N/A0.005%
1/29/2026 UBS Group AG535,637$8.76M0.0%+331.9%0.241%
1/28/2026 Arizona State Retirement System10,855$177K0.0%N/A0.005%
1/28/2026 Teacher Retirement System of Texas176,043$2.88M0.0%+0.6%0.079%
1/27/2026 Zurcher Kantonalbank Zurich Cantonalbank32,300$528K0.0%N/A0.015%
1/26/2026CWM LLC6,666$109K0.0%N/A0.003%
1/23/2026 Yorktown Management & Research Co Inc59,300$970K0.8%N/A0.027%
1/1/2026 JPMorgan Chase & Co.1,610,863$23.99M0.0%N/A0.726%
1/1/2026 Tudor Investment Corp ET AL72,173$1.08M0.0%N/A0.033%
12/15/2025 Hudson Bay Capital Management LP84,298$1.26M0.0%N/A0.038%
12/9/2025 Tudor Investment Corp ET AL72,173$1.08M0.0%N/A0.033%
11/17/2025 Woodline Partners LP145,413$2.17M0.0%N/A0.066%
11/17/2025 PharVision Advisers LLC16,273$242K0.1%N/A0.007%
11/17/2025 XTX Topco Ltd63,865$951K0.0%N/A0.029%
11/17/2025 Verition Fund Management LLC272,240$4.05M0.0%N/A0.124%
11/17/2025 Quarry LP2,697$40K0.0%N/A0.001%
11/17/2025 Qube Research & Technologies Ltd41,694$621K0.0%N/A0.019%
11/17/2025 Millennium Management LLC872,080$12.99M0.0%N/A0.396%
11/17/2025 Lighthouse Investment Partners LLC172,311$2.57M0.1%N/A0.078%
11/17/2025 Jain Global LLC200,000$2.98M0.0%N/A0.091%
11/17/2025 Fred Alger Management LLC520,915$7.76M0.0%N/A0.237%
11/17/2025 Deer Park Road Corp2,099,057$29.69M1.6%N/A0.954%
11/17/2025 Dragoneer Investment Group LLC336,361$5.01M0.1%N/A0.153%
11/17/2025 Centiva Capital LP151,033$2.25M0.0%N/A0.069%
11/17/2025 Azora Capital LP627,118$9.34M0.4%N/A0.285%
11/17/2025 Bamco Inc. NY1,218,309$18.14M0.0%N/A0.554%
11/17/2025 Bank of America Corp DE510,380$7.60M0.0%N/A0.232%
11/17/2025 ArrowMark Colorado Holdings LLC1,031,604$15.36M0.3%N/A0.469%
11/17/2025 3G Capital Partners LP35,000$521K0.1%N/A0.016%
11/17/2025 Alliancebernstein L.P.2,789,084$41.53M0.0%N/A1.268%
11/14/2025 Schonfeld Strategic Advisors LLC156,662$2.33M0.0%N/A0.071%
11/14/2025 SummitTX Capital L.P.31,920$475K0.0%N/A0.015%
11/14/2025 Burkehill Global Management LP100,000$1.49M0.1%N/A0.045%
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11/14/2025 Davidson Kempner Capital Management LP208,600$3.11M0.1%N/A0.095%
11/14/2025 Balyasny Asset Management L.P.2,018,784$30.06M0.0%N/A0.918%
11/14/2025 Ghisallo Capital Management LLC425,000$6.33M0.2%N/A0.193%
11/14/2025 Interval Partners LP217,010$3.23M0.1%N/A0.099%
11/14/2025 Squarepoint Ops LLC229,895$3.42M0.0%N/A0.105%
11/13/2025 Limestone Investment Advisors LP40,900$609K0.0%N/A0.019%
11/13/2025 Oribel Capital Management LP25,900$386K0.0%N/A0.012%
11/13/2025 Quadrature Capital Ltd70,759$1.05M0.0%N/A0.032%
11/13/2025 Sei Investments Co.29,930$446K0.0%N/A0.014%
11/13/2025 UBS Group AG124,025$1.85M0.0%N/A0.056%


ARX Institutional Ownership - Frequently Asked Questions

During the previous two years, 84 institutional investors and hedge funds held shares of Accelerant. The most heavily invested institutionals were Capital World Investors ($94.30M), Security Benefit Life Insurance Co. KS ($80.80M), Barings LLC ($46.37M), Balyasny Asset Management L.P. ($44.69M), Alliancebernstein L.P. ($41.53M), Azora Capital LP ($39.88M), and Vanguard Group Inc. ($33.48M).Learn more on Accelerant's institutional investors.

Of the 81 institutional investors that purchased Accelerant's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Security Benefit Life Insurance Co. KS ($5.87M), Capital World Investors ($5.77M), JPMorgan Chase & Co. ($3.56M), Barings LLC ($3.13M), Alliancebernstein L.P. ($2.79M), Balyasny Asset Management L.P. ($2.73M), and Azora Capital LP ($2.44M).

Institutional investors have bought a total of 43,817,059 shares in the last 24 months. This purchase volume represents approximately $643.10M in transactions.

Of the 16 institutional investors that sold Accelerant's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: T. Rowe Price Investment Management Inc. ($3.36M), Millennium Management LLC ($690.43K), Janus Henderson Group PLC ($519.78K), Ghisallo Capital Management LLC ($325K), Squarepoint Ops LLC ($203.19K), Walleye Capital LLC ($173.92K), and Bank of America Corp DE ($155.55K).

Institutional investors have sold a total of 6,071,771 shares in the last 24 months. This volume of shares sold represents approximately $98.34M in transactions.


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Institutional ownership data for NYSE:ARX is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 9/9/2026. New 13F filings are added each quarter as they're published.
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