MF
HCMAU

Magnetar Financial’s HCM III Acquisition Corp Units HCMAU Stock Holding History

Magnetar Financial’s Portfolio HCMAU Stock Details HCMAU Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		– Sell
-10
Closed -$103 – 1552
2026
Q1 		$103 Buy
+10
New +$103 ﹤0.01% 1101
2025
Q4 		– Sell
-1,000,000
Closed -$10.3M – 1299
2025
Q3 		$10.3M Buy
+1,000,000
New +$10.2M 0.06% 110

Other funds holding HCMAU

Toronto Dominion Bank
Toronto Dominion Bank Toronto, Ontario, Ontario, Canada $86.4B AUM 59.51% 1-Year Est. Return
HF
HRT Financial New York $54.8B AUM 81.03% 1-Year Est. Return
OAC
OMERS Administration Corp Toronto, Ontario, Canada $16.7B AUM 35.96% 1-Year Est. Return
SAMU
SONA Asset Management (US) New York $4.76B AUM 23.76% 1-Year Est. Return
Walleye Capital
Walleye Capital New York $28B AUM 44.22% 1-Year Est. Return
WCMNY
Westchester Capital Management (New York) Valhalla, New York $2.04B AUM 31.03% 1-Year Est. Return
CS
Clear Street New York $39.5B AUM 124.03% 1-Year Est. Return
RAM
Readystate Asset Management Chicago, Illinois $2.93B AUM 18.57% 1-Year Est. Return
FIA
FNY Investment Advisers New York $278M AUM 98.95% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return

Magnetar Financial's HCMAU Position: Q2 2026 in Review

Magnetar Financial sold out of HCM III Acquisition Corp Units (HCMAU) in Q2 2026, closing a stake of 10 shares — an estimated $103 sold.

Magnetar Financial first reported a position in HCMAU in Q3 2025 and held it in 2 quarters. The position peaked at $10.3M in Q3 2025. 11 funds tracked by Wall St. Rank hold HCMAU as of Q2 2026.

  • Magnetar Financial reported no remaining HCM III Acquisition Corp Units position as of Q2 2026 after selling out during the quarter.
  • Magnetar Financial sold 10 HCM III Acquisition Corp Units shares in Q2 2026, an estimated $103.
  • Magnetar Financial first reported a position in HCM III Acquisition Corp Units in Q3 2025 and held it in 2 quarters.
  • Magnetar Financial's HCM III Acquisition Corp Units position peaked at $10.3M in Q3 2025.
  • 11 funds tracked by Wall St. Rank held HCM III Acquisition Corp Units as of Q2 2026.

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