| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| Zimmer Financial Services Group LLC | 81% | $864,741,223 | 40,220,522 | Stuart J. Zimmer | 30 Jun 2025 |
As of 31 Dec 2025, 77 institutional investors reported holding 6,038,851 shares of Ategrity Specialty Insurance Co Holdings - Common Stock, par value $0.001 per share (ASIC). This represents 12% of the company’s total 49,532,663 outstanding shares.
The largest institutional shareholders of Ategrity Specialty Insurance Co Holdings - Common Stock, par value $0.001 per share (ASIC) together control 11% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| Nuveen, LLC | 1.4% | 704,961 | +9.6% | 0% | $14,811,230 |
| BAMCO INC /NY/ | 1.4% | 669,792 | -1.4% | 0.04% | $14,072,330 |
| T. Rowe Price Investment Management, Inc. | 1.1% | 567,710 | -5.2% | 0.01% | $11,928,000 |
| VANGUARD GROUP INC | 0.92% | 457,200 | +5% | 0% | $9,605,772 |
| BlackRock, Inc. | 0.9% | 448,069 | +28% | 0% | $9,413,930 |
| CANNELL CAPITAL LLC | 0.65% | 321,211 | +126% | 4.3% | $6,748,643 |
| PRICE T ROWE ASSOCIATES INC /MD/ | 0.58% | 287,644 | +58% | 0% | $6,044,000 |
| MILLENNIUM MANAGEMENT LLC | 0.42% | 207,167 | +313% | 0% | $4,352,579 |
| Balyasny Asset Management L.P. | 0.34% | 170,734 | +298% | 0.01% | $3,587,121 |
| EMERALD ADVISERS, LLC | 0.34% | 167,047 | -55% | 0.11% | $3,509,657 |
| STATE OF WISCONSIN INVESTMENT BOARD | 0.32% | 157,601 | +26% | 0.01% | $3,311,197 |
| GEODE CAPITAL MANAGEMENT, LLC | 0.31% | 153,259 | +3.3% | 0% | $3,220,769 |
| NEXT CENTURY GROWTH INVESTORS LLC | 0.29% | 143,657 | -37% | 0.21% | $3,018,233 |
| TWO SIGMA INVESTMENTS, LP | 0.25% | 121,637 | +29% | 0% | $2,555,593 |
| Freestone Grove Partners LP | 0.23% | 113,850 | -4.4% | 0.02% | $2,391,989 |
| Ghisallo Capital Management LLC | 0.2% | 100,000 | 0% | 0.09% | $2,101,000 |
| MARSHALL WACE, LLP | 0.2% | 99,894 | -6.3% | 0% | $2,098,773 |
| Walleye Capital LLC | 0.19% | 94,214 | +290% | 0.01% | $1,979,436 |
| STATE STREET CORP | 0.19% | 92,891 | +110% | 0% | $1,951,640 |
| BANK OF AMERICA CORP /DE/ | 0.18% | 88,642 | +139% | 0% | $1,862,368 |
| Alyeska Investment Group, L.P. | 0.15% | 71,903 | +20% | 0% | $1,510,682 |
| MORGAN STANLEY | 0.14% | 71,772 | +59% | 0% | $1,507,930 |
| Interval Partners, LP | 0.12% | 57,770 | -43% | 0.03% | $1,213,748 |
| GOLDMAN SACHS GROUP INC | 0.11% | 56,284 | +57% | 0% | $1,182,527 |
| EMERALD MUTUAL FUND ADVISERS TRUST | 0.11% | 53,669 | -69% | 0.05% | $1,127,586 |