Jane Street
BRR

Jane Street’s ProCap Financial Inc BRR Stock Holding History

Jane Street’s Portfolio BRR Stock Details BRR Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$47.3K Sell
30,700
-6,900
-18% -$12.7K ﹤0.01% 10959
2026
Q1 		$79.3K Sell
37,600
-137,800
-79% -$383K ﹤0.01% 10748
2025
Q4 		$619K Buy
175,400
+60,100
+52% +$479K ﹤0.01% 7214
2025
Q3 		$1.17M Buy
+115,300
New +$1.19M ﹤0.01% 5971

Other funds holding BRR

LP
LMR Partners London, United Kingdom $26.8B AUM 68.38% 1-Year Est. Return
MF
Magnetar Financial Evanston, Illinois $11B AUM 3.37% 1-Year Est. Return
KPF
K2 Principal Fund Toronto, Ontario, Canada $1.36B AUM 25.58% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $875B AUM 40.89% 1-Year Est. Return
WAM
Weiss Asset Management Boston, Massachusetts $9.54B AUM 55.06% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
CL
CSS LLC Chicago, Illinois $2.57B AUM 67.1% 1-Year Est. Return
Alyeska Investment Group
Alyeska Investment Group Chicago, Illinois $38.9B AUM 28.51% 1-Year Est. Return
ACM
Arrington Capital Management Miami, Florida $163M AUM
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Jane Street's BRR Position: Q2 2026 in Review

Jane Street reduced its ProCap Financial Inc (BRR) stake by 85% in Q2 2026, selling an estimated $5.28M and leaving 492,123 shares worth $758K. The position accounts for ﹤0.01% of the portfolio, ranked #7129.

Jane Street first reported a position in BRR in Q2 2025 and has held it in 5 quarters since. The position peaked at $21.6M in Q4 2025. 55 funds tracked by Wall St. Rank hold BRR as of Q2 2026.

  • Jane Street held 492,123 shares of ProCap Financial Inc worth $758K as of Q2 2026.
  • Jane Street sold 2,880,677 ProCap Financial Inc shares in Q2 2026, an estimated $5.28M.
  • ProCap Financial Inc made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #7129 holding.
  • Jane Street first reported a position in ProCap Financial Inc in Q2 2025 and has held it in 5 quarters since.
  • Jane Street's ProCap Financial Inc position peaked at $21.6M in Q4 2025.
  • 55 funds tracked by Wall St. Rank held ProCap Financial Inc as of Q2 2026.

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