MF
BRR

Magnetar Financial’s ProCap Financial Inc BRR Stock Holding History

Magnetar Financial’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 		$4.81M Hold
3,125,000
– – 0.04% 265
2026
Q1 		$6.41M Hold
3,125,000
– – 0.07% 195
2025
Q4 		$11M Buy
3,125,000
+2,737,758
+707% +$21.8M 0.11% 112
2025
Q3 		$3.92M Sell
387,242
-187,444
-33% -$1.93M 0.02% 265
2025
Q2 		$7.57M Buy
+574,686
New +$6.82M 0.04% 189

Other funds holding BRR

LP
LMR Partners London, United Kingdom $26.8B AUM 68.38% 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 40.91% 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
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $1.28T AUM 58.89% 1-Year Est. Return

Magnetar Financial's BRR Position: Q2 2026 in Review

Magnetar Financial held its ProCap Financial Inc (BRR) position steady in Q2 2026 at 3,125,000 shares worth $4.81M. The position accounts for 0.04% of the portfolio, ranked #265.

Magnetar Financial first reported a position in BRR in Q2 2025 and has held it in 5 quarters since. The position peaked at $11M in Q4 2025. 55 funds tracked by Wall St. Rank hold BRR as of Q2 2026.

  • Magnetar Financial held 3,125,000 shares of ProCap Financial Inc worth $4.81M as of Q2 2026.
  • Magnetar Financial left its ProCap Financial Inc share count unchanged in Q2 2026.
  • ProCap Financial Inc made up 0.04% of Magnetar Financial's portfolio in Q2 2026, its #265 holding.
  • Magnetar Financial first reported a position in ProCap Financial Inc in Q2 2025 and has held it in 5 quarters since.
  • Magnetar Financial's ProCap Financial Inc position peaked at $11M in Q4 2025.
  • 55 funds tracked by Wall St. Rank held ProCap Financial Inc as of Q2 2026.

Based on Magnetar Financial's 13F filing for Q2 2026, filed 14 Aug 2026.