American Integrity Insurance AII Institutional Ownership

NYSE AII

$26.10 +0.45 (+1.75%)

At close: Sep 2, 2026 · 4:00 PM EDT

Institutions by Trading Activity

103 Institutions

Increased 60 58.3%

Unchanged 4 3.9%

Reduced 39 37.9%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

55.25%

▼-9.15 pp QoQ

Shares Held by Institutions

10.82Mn

of 19.59Mn outstanding

▲+1.31% QoQ

Shares Outstanding

19.59Mn

8.76Mn held outside 13F filers

Institutional Investors

103

filed 13F for Jun 2026

▲+4 vs prior quarter

Net Shares Added (QoQ)

+139.80K

accumulated since last quarter

Value of Holdings

$277.06Mn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 30 Jun, 2026

American Integrity Insurance Group, Inc. (NYSE:AII) has 103 institutional investors with active 13F positions as of June 2026.

They owned 55.3% of outstanding stock in June 2026, down from 64.4% the prior quarter.
They increased total shares held in AII by 1.31% quarter over quarter, and investors in American Integrity Insurance increased 87.27% from a year ago.
Among the 103 funds, 60 bought more American Integrity Insurance shares, 39 sold down, and 4 held their ground.
In total, institutional investors held 10.82Mn shares in American Integrity Insurance as of June 2026, up by 139.8K shares quarter on quarter, and up 2.56Mn shares year over year.
As of June 30, 2026, Boston Partners held the largest stake in American Integrity Insurance with 1.53Mn shares, accounting for 7.8% of total shares outstanding.
The most significant purchases of AII for the quarter ending June 2026 came from Pacific Ridge Capital Partners, LLC (190.02K), ALGERT GLOBAL LLC (155.36K), BlackRock, Inc. (138.22K), Mink Brook Asset Management LLC (135.53K), DONALD SMITH & CO., INC. (116.42K).
Leading sellers of American Integrity Insurance shares for the quarter ending June 2026 were MANUFACTURERS LIFE INSURANCE COMPANY, THE (429.58K), EMERALD MUTUAL FUND ADVISERS TRUST (159.8K), MILLENNIUM MANAGEMENT LLC (114.75K), Bank Of America Corp /De/ (84.11K), LOS ANGELES CAPITAL MANAGEMENT LLC (71.98K).
American Integrity Insurance's 10 largest shareholders as of June 2026 include Boston Partners (1.53Mn), WASATCH ADVISORS LP (1.26Mn), Mink Brook Asset Management LLC (977.97K), BlackRock, Inc. (888.12K), Pacific Ridge Capital Partners, LLC (579.44K), Freestone Grove Partners LP (491.27K), VANGUARD CAPITAL MANAGEMENT LLC (458.52K), Russell Investments Group, Ltd. (326.88K), GEODE CAPITAL MANAGEMENT, LLC (294.1K), TWO SIGMA INVESTMENTS, LP (293.64K) per Business Quant data.

Form 13F Holdings

103 Institutional Holders

Report period 30 Jun, 2026

Total shares held 10.82Mn

Of outstanding 55.25%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	Boston Partners	0001386060	1,527,196	7.80%	▲53,365	+3.62%	$28.76Mn
2	WASATCH ADVISORS LP	0000814133	1,260,169	6.43%	▲67,977	+5.70%	$23.73Mn
3	Mink Brook Asset Management LLC	0002052205	977,969	4.99%	▲135,531	+16.09%	$18.42Mn
4	BlackRock, Inc.	0002012383	888,115	4.53%	▲138,225	+18.43%	$16.72Mn
5	Pacific Ridge Capital Partners, LLC	0001591546	579,444	2.96%	▲190,024	+48.80%	$10.91Mn
6	Freestone Grove Partners LP	0002007591	491,272	2.51%	▼67,925	-12.15%	$9.25Mn
7	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	458,520	2.34%	▲3,687	+0.81%	$8.63Mn
8	Russell Investments Group, Ltd.	0001692234	326,884	1.67%	▼42,402	-11.48%	$6.16Mn
9	GEODE CAPITAL MANAGEMENT, LLC	0001214717	294,097	1.50%	▲28,419	+10.70%	$5.54Mn
10	TWO SIGMA INVESTMENTS, LP	0001179392	293,644	1.50%	▼45,469	-13.41%	$5.53Mn
11	AMERICAN CENTURY COMPANIES INC	0000748054	282,447	1.44%	▲85,753	+43.60%	$5.32Mn
12	State Street Corp	0000093751	216,320	1.10%	▲29,551	+15.82%	$4.07Mn
13	CITADEL ADVISORS LLC	0001423053	216,145	1.10%	▲17,760	+8.95%	$4.07Mn
14	Bank Of America Corp /De/	0000070858	209,330	1.07%	▼84,113	-28.66%	$3.94Mn
15	ACADIAN ASSET MANAGEMENT LLC	0000916542	173,093	0.88%	▼36,121	-17.27%	$3.26K
16	ALGERT GLOBAL LLC	0001275218	155,356	0.79%	▲155,356	0.00%	$2.93Mn
17	STATE OF WISCONSIN INVESTMENT BOARD	0000854157	130,056	0.66%	▼14,101	-9.78%	$2.45Mn
18	RENAISSANCE TECHNOLOGIES LLC	0001037389	119,705	0.61%	▼17,095	-12.50%	$2.25Mn
19	DONALD SMITH & CO., INC.	0000814375	116,420	0.59%	▲116,420	0.00%	$2.19Mn
20	MARSHALL WACE, LLP	0001318757	107,695	0.55%	▲36,345	+50.94%	$2.03Mn

Showing 1 to 20 of 103 holders