Jane Street
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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
Q1 		$1.04M Buy
+92,700
New +$1.04M ﹤0.01% 6404
2024
Q2 		– Sell
-338,800
Closed -$3.62M – 9241
2024
Q1 		$3.62M Buy
338,800
+800
+0.2% +$9.05K ﹤0.01% 3114
2023
Q4 		$3.2M Buy
+338,000
New +$2.72M ﹤0.01% 3543

Other funds holding ACIC

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
TCM
Tieton Capital Management Yakima, Washington $299M AUM 54.55% 1-Year Est. Return
ECP
Empyrean Capital Partners Los Angeles, California $3.07B AUM 34.24% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
PAIM
Punch & Associates Investment Management Edina, Minnesota $1.73B AUM 27.65% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
SEI Investments
SEI Investments Oaks, Pennsylvania $108B AUM 26.14% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return

Jane Street's ACIC Position: Q1 2026 in Review

Jane Street opened a new position in American Coastal Insurance (ACIC) in Q1 2026: 127,078 shares worth $1.43M. The stake represents ﹤0.01% of the portfolio and ranks #5738 among its holdings. This is a return to the name: Jane Street previously reported a position in ACIC as recently as Q3 2025.

Jane Street first reported a position in ACIC in Q1 2014 and has held it in 17 quarters since. The position peaked at $2.13M in Q1 2024. 150 funds tracked by Wall St. Rank hold ACIC as of Q1 2026.

  • Jane Street held 127,078 shares of American Coastal Insurance worth $1.43M as of Q1 2026.
  • American Coastal Insurance was a new Jane Street position in Q1 2026.
  • American Coastal Insurance made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #5738 holding.
  • Jane Street first reported a position in American Coastal Insurance in Q1 2014 and has held it in 17 quarters since.
  • Jane Street's American Coastal Insurance position peaked at $2.13M in Q1 2024.
  • 150 funds tracked by Wall St. Rank held American Coastal Insurance as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.