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Ategrity Specialty Insurance Co Holdings
$24.78 -0.20 (-0.80%) At close · Jul 7
Market Cap
$1.19B
Shares
48,032,652

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

The Jun 30, 2026 filing window is still open — showing the latest known positions. Funds that have not filed yet carry their prior-quarter positions; a fund that filed without this stock counts as sold out.
Holders: 86
Total Value: $114,547,129
Total Shares: 5,793,886

Institutional Ownership Trend

5 quarters

Holder Concentration

Across 86 13F filers
Top Holder
12.3%
Jun 2025 → Mar 2026 · range 10.5% – 12.3%
of institutional value
Top 5
46.5%
Jun 2025 → Mar 2026 · range 43.1% – 47.2%
of institutional value
Top 10
63.1%
Jun 2025 → Mar 2026 · range 63.1% – 67.5%
of institutional value
HHI
562
Jun 2025 → Mar 2026 · range 551 – 588
Broadly held
Showing 86 of 86
All Common Calls Puts
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Holder Value (USD) % of 13F Shares Open
Mega Nuveen, LLC $14,077,642 12.29% 712,071
Mega T. Rowe Price Investment Management, Inc. $11,263,641 9.83% 569,734
Mega BlackRock, Inc. $11,209,271 9.79% 566,984
Small CANNELL CAPITAL LLC $9,618,184 8.40% 486,504
Mega VANGUARD CAPITAL MANAGEMENT LLC $7,083,373 6.18% 358,289
Mega PRICE T ROWE ASSOCIATES INC /MD/ $5,429,869 4.74% 274,652
Large MARSHALL WACE, LLP $3,966,099 3.46% 200,612
Mega GEODE CAPITAL MANAGEMENT, LLC $3,721,642 3.25% 188,247
Mega TWO SIGMA INVESTMENTS, LP $3,125,459 2.73% 158,091
Large STATE OF WISCONSIN INVESTMENT BOARD $2,832,823 2.47% 143,289
Mega STATE STREET CORP $2,692,792 2.35% 136,206
Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP $2,605,389 2.27% 131,785
Mega GOLDMAN SACHS GROUP INC $2,601,356 2.27% 131,581
Mega MILLENNIUM MANAGEMENT LLC $2,500,351 2.18% 126,472
Mega JANE STREET GROUP, LLC $2,033,621 1.78% 102,864
Mega BANK OF AMERICA CORP /DE/ Bank $2,009,224 1.75% 101,630
Mid Ghisallo Capital Management LLC $1,977,000 1.73% 100,000
Mega CITADEL ADVISORS LLC $1,901,556 1.66% 96,184
Large Balyasny Asset Management L.P. $1,867,691 1.63% 94,471
Mega MORGAN STANLEY $1,660,796 1.45% 84,006
Mega JPMORGAN CHASE & CO $1,506,472 1.32% 76,200
Large PRUDENTIAL FINANCIAL INC $1,474,446 1.29% 74,580
Large Alyeska Investment Group, L.P. $1,421,522 1.24% 71,903
Mega NORTHERN TRUST CORP Bank $1,253,713 1.09% 63,415
Large Walleye Capital LLC $1,135,193 0.99% 57,420
Mid KORNITZER CAPITAL MANAGEMENT INC /KS $1,077,109 0.94% 54,482
Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC $1,031,539 0.90% 52,177
Large Trexquant Investment LP $1,005,126 0.88% 50,841
Mega VANGUARD FIDUCIARY TRUST CO Bank $900,385 0.79% 45,543
Large RENAISSANCE TECHNOLOGIES LLC $822,432 0.72% 41,600
Mid Interval Partners, LP $812,566 0.71% 41,101
Mega BNP PARIBAS ARBITRAGE, SA $799,103 0.70% 40,420
Large Centiva Capital, LP $663,085 0.58% 33,540
Mega D. E. Shaw & Co., Inc. $543,259 0.47% 27,479
Large STRS OHIO $529,836 0.46% 26,800
Mid XTX Topco Ltd $487,172 0.43% 24,642
Mega WELLS FARGO & COMPANY/MN $470,801 0.41% 23,814
Mega UBS Group AG $439,823 0.38% 22,247
Large HRT FINANCIAL LP $428,969 0.37% 21,698
Small State of Wyoming $416,771 0.36% 21,081
Large Point72 Asset Management, L.P. $355,326 0.31% 17,973
Mega Bank of New York Mellon Corp Bank $311,969 0.27% 15,780
Mega AMERICAN CENTURY COMPANIES INC $301,769 0.26% 15,264
Mega BARCLAYS PLC $282,868 0.25% 14,308
Micro ProCore Advisors, LLC $278,242 0.24% 14,074
Small VARCOV Co. $266,341 0.23% 13,472
Mega AQR CAPITAL MANAGEMENT LLC $212,267 0.19% 10,737
Mid EMERALD MUTUAL FUND ADVISERS TRUST Mutual Fund $146,495 0.13% 7,410
Large LOS ANGELES CAPITAL MANAGEMENT LLC $110,514 0.10% 5,590
Mega RHUMBLINE ADVISERS $109,585 0.10% 5,543
Large MetLife Investment Management, LLC $106,797 0.09% 5,402
Mid Aquatic Capital Management LLC $89,241 0.08% 4,514
Large MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. Mutual Fund $84,852 0.07% 4,292
Mid State of Alaska, Department of Revenue $72,417 0.06% 3,663
Mega Vanguard Global Advisers, LLC $62,196 0.05% 3,146
Mid EMERALD ADVISERS, LLC $60,733 0.05% 3,072
Mega DEUTSCHE BANK AG\ Bank $59,171 0.05% 2,993
Mid Tower Research Capital LLC (TRC) $39,756 0.03% 2,011
Large Police & Firemen's Retirement System of New Jersey Pension $38,353 0.03% 1,940
Mega FMR LLC $36,297 0.03% 1,836
Large NEW YORK STATE COMMON RETIREMENT FUND Pension $25,701 0.02% 1,300
Mega Legal & General Group Plc $15,717 0.01% 795
Large CWM, LLC $15,460 0.01% 782
Large Russell Investments Group, Ltd. $12,039 0.01% 609
Mid GAMMA Investing LLC $11,611 0.01% 483
Mid Ameritas Investment Partners, Inc. $10,379 0.01% 525
Large CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM Pension $9,964 0.01% 504
Mega CITIGROUP INC $8,817 0.01% 446
Mid Sterling Capital Management LLC $4,171 0.00% 211
Micro Private Wealth Management Group, LLC $3,736 0.00% 189
Mid Farther Finance Advisors, LLC $3,182 0.00% 161
Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC $1,344 0.00% 68
Small Caitong International Asset Management Co., Ltd $612 0.00% 31
Small Root Financial Partners, LLC $355 0.00% 18
Small Pinnacle Wealth Planning Services, Inc. $296 0.00% 15
Mid EverSource Wealth Advisors, LLC $295 0.00% 15
Mid Allworth Financial LP $237 0.00% 12
Mid Arax Advisory Partners $217 0.00% 11
Mid ROTHSCHILD INVESTMENT LLC $177 0.00% 9
Mid IFP Advisors, Inc $118 0.00% 6
Small Covestor Ltd $118 0.00% 6
Mid MAI Capital Management $98 0.00% 5
Small Essential Partners LLC $98 0.00% 5
Large Freestone Grove Partners LP $59 0.00% 3
Large NISA INVESTMENT ADVISORS, LLC $19 0.00% 1
Micro True Wealth Design, LLC $19 0.00% 1
Key facts CIK 2040491 CUSIP 04681Y103 13F (30d) 1 filings 1 filers Visit website Investor relations

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