Latest Period
Q2 2026
CUSIP: 04681Y103
Latest Period
Q2 2026
Institutions Reporting
83
Shares (Excl. Options)
5,451,861
Price
$24.04
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Latest holder context comes from 83 institutions filings for Q2 2026.
Security key
04681Y103
Latest holder period
Q2 2026
13F holders
83
13D/G owners
1
CIK / CUSIP context first
Broader feeds
Open recent reporting periods for CUSIP 04681Y103:
13D/G owners
Large-stake holder rows connected to Schedule 13D/G evidence.
| 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 30 Jun 2026, 83 institutional investors reported holding 5,451,861 shares of Ategrity Specialty Insurance Co Holdings - Common Stock, par value $0.001 per share (ASIC). This represents 11% of the company’s total 49,532,663 outstanding shares.
13F concentration
Largest 13F positions for this security by reported shares and value.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| Nuveen, LLC | 1.5% | 724,481 | +1.7% | 0% | $17,416,523 |
| BlackRock, Inc. | 1.2% | 614,785 | +8.4% | 0% | $14,779,431 |
| T. Rowe Price Investment Management, Inc. | 1.2% | 573,199 | +0.61% | 0.01% | $13,780,000 |
| CANNELL CAPITAL LLC | 0.99% | 490,482 | +0.82% | 8.2% | $11,791,187 |
| VANGUARD CAPITAL MANAGEMENT LLC | 0.79% | 391,457 | +9.3% | 0% | $9,410,626 |
| PRICE T ROWE ASSOCIATES INC /MD/ | 0.76% | 375,677 | +37% | 0% | $9,032,000 |
| GEODE CAPITAL MANAGEMENT, LLC | 0.41% | 202,149 | +7.4% | 0% | $4,860,687 |
| STATE STREET CORP | 0.31% | 153,268 | +13% | 0% | $3,684,563 |
| MARSHALL WACE, LLP | 0.28% | 137,039 | -32% | 0% | $3,294,419 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 0.27% | 131,785 | 0% | 0% | $3,168,111 |
| STATE OF WISCONSIN INVESTMENT BOARD | 0.26% | 129,266 | -9.8% | 0.01% | $3,107,555 |
| TWO SIGMA INVESTMENTS, LP | 0.26% | 128,737 | -19% | 0% | $3,094,837 |
| PRUDENTIAL FINANCIAL INC | 0.18% | 89,180 | +20% | 0% | $2,143,887 |
| NORTHERN TRUST CORP | 0.18% | 87,197 | +38% | 0% | $2,096,216 |
| JPMORGAN CHASE & CO | 0.16% | 79,120 | +3.8% | 0% | $1,943,188 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 0.15% | 74,577 | +7.4% | 0% | $1,792,831 |
| MORGAN STANLEY | 0.15% | 74,295 | -12% | 0% | $1,786,052 |
| Alyeska Investment Group, L.P. | 0.15% | 71,903 | 0% | 0% | $1,728,548 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 0.11% | 54,310 | +4.1% | 0% | $1,305,612 |
| GOLDMAN SACHS GROUP INC | 0.11% | 53,553 | -59% | 0% | $1,287,414 |
| KORNITZER CAPITAL MANAGEMENT INC /KS | 0.11% | 52,705 | -3.3% | 0.03% | $1,267,028 |
| RENAISSANCE TECHNOLOGIES LLC | 0.1% | 49,200 | +18% | 0% | $1,182,768 |
| VANGUARD FIDUCIARY TRUST CO | 0.09% | 46,901 | +3% | 0% | $1,127,500 |
| BANK OF AMERICA CORP /DE/ | 0.09% | 46,199 | -55% | 0% | $1,110,625 |
| Allworth Financial LP | 0.09% | 45,644 | +380267% | 0% | $1,097,282 |
Quarter history
Holder count, reported shares/value, and median price by quarter.
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q2 | 5,451,861 | $131,104,563 | -$8,269,769 | $24.04 | 83 |
| 2026 Q1 | 5,863,332 | $115,899,865 | -$5,541,985 | $19.77 | 86 |
| 2025 Q4 | 6,038,856 | $126,876,458 | -$8,463,129 | $21.01 | 78 |
| 2025 Q3 | 6,477,357 | $128,059,225 | +$7,071,189 | $19.77 | 67 |
| 2025 Q2 | 6,050,981 | $130,217,571 | +$129,679,571 | $21.52 | 55 |