Jane Street’s American Coastal Insurance ACIC Stock Holding History

Jane Street’s Portfolio ACIC Stock Details ACIC Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	–	Sell	-37,300	Closed	-$420K	–	11399
2026 Q1	$420K	Buy	+37,300	New	+$419K	﹤0.01%	8457
2025 Q4	–	Sell	-126,100	Closed	-$1.44M	–	10969
2025 Q3	$1.44M	Sell	126,100 -2,600	-2%	-$28.3K	﹤0.01%	5554
2025 Q2	$1.43M	Buy	+128,700	New	+$1.42M	﹤0.01%	4966
2024 Q3	–	Sell	-11,000	Closed	-$116K	–	9485
2024 Q2	$116K	Sell	11,000 -19,600	-64%	-$220K	﹤0.01%	8675
2024 Q1	$327K	Buy	+30,600	New	+$346K	﹤0.01%	7421

Other funds holding ACIC

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

TCM

Tieton Capital Management Yakima, Washington $348M AUM 45.13% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return

PAIM

Punch & Associates Investment Management Edina, Minnesota $2.02B AUM 40.6% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return

Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Jane Street's ACIC Position: Q2 2026 in Review

Jane Street reduced its American Coastal Insurance (ACIC) stake by 52% in Q2 2026, selling an estimated $733K and leaving 60,608 shares worth $673K. The position accounts for ﹤0.01% of the portfolio, ranked #7366.

Jane Street first reported a position in ACIC in Q1 2014 and has held it in 18 quarters since. The position peaked at $2.13M in Q1 2024. 135 funds tracked by Wall St. Rank hold ACIC as of Q2 2026.

Jane Street held 60,608 shares of American Coastal Insurance worth $673K as of Q2 2026.
Jane Street sold 66,470 American Coastal Insurance shares in Q2 2026, an estimated $733K.
American Coastal Insurance made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #7366 holding.
Jane Street first reported a position in American Coastal Insurance in Q1 2014 and has held it in 18 quarters since.
Jane Street's American Coastal Insurance position peaked at $2.13M in Q1 2024.
135 funds tracked by Wall St. Rank held American Coastal Insurance as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.