MF
TACOW

Magnetar Financial’s Berto Acquisition Corp Warrant TACOW Stock Holding History

Magnetar Financial’s Portfolio TACOW Stock Details TACOW Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$235K Hold
825,000
– – ﹤0.01% 842
2025
Q4 		$305K Hold
825,000
– – ﹤0.01% 681
2025
Q3 		$577K Hold
825,000
– – ﹤0.01% 560
2025
Q2 		$565K Buy
+825,000
New +$617K ﹤0.01% 531

Other funds holding TACOW

HCI
Harraden Circle Investments New York $499M AUM 19.71% 1-Year Est. Return
MC
Meteora Capital Boca Raton, Florida $1.36B AUM 20.06% 1-Year Est. Return
LA
Linden Advisors New York $17.9B AUM 1.72% 1-Year Est. Return
LP
LMR Partners London, United Kingdom $45.4B AUM 60.47% 1-Year Est. Return
PAMP
Polar Asset Management Partners Toronto, Ontario, Canada $5.01B AUM 35.02% 1-Year Est. Return
RC
Rangeley Capital New Canaan, Connecticut $103M AUM 77.36% 1-Year Est. Return
AA
AQR Arbitrage Greenwich, Connecticut $6.09B AUM 26.7% 1-Year Est. Return
Hudson Bay Capital Management
Hudson Bay Capital Management Stamford, Connecticut $29B AUM 30.2% 1-Year Est. Return
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund Toronto, Ontario, Canada $71.2B AUM 48.86% 1-Year Est. Return
MCM
Moore Capital Management New York $4.92B AUM 35.4% 1-Year Est. Return

Magnetar Financial's TACOW Position: Q1 2026 in Review

Magnetar Financial held its Berto Acquisition Corp Warrant (TACOW) position steady in Q1 2026 at 825,000 shares worth $235K. The position accounts for ﹤0.01% of the portfolio, ranked #842.

Magnetar Financial first reported a position in TACOW in Q2 2025 and has held it in 4 quarters since. The position peaked at $577K in Q3 2025. 47 funds tracked by Wall St. Rank hold TACOW as of Q1 2026.

  • Magnetar Financial held 825,000 shares of Berto Acquisition Corp Warrant worth $235K as of Q1 2026.
  • Magnetar Financial left its Berto Acquisition Corp Warrant share count unchanged in Q1 2026.
  • Berto Acquisition Corp Warrant made up ﹤0.01% of Magnetar Financial's portfolio in Q1 2026, its #842 holding.
  • Magnetar Financial first reported a position in Berto Acquisition Corp Warrant in Q2 2025 and has held it in 4 quarters since.
  • Magnetar Financial's Berto Acquisition Corp Warrant position peaked at $577K in Q3 2025.
  • 47 funds tracked by Wall St. Rank held Berto Acquisition Corp Warrant as of Q1 2026.

Based on Magnetar Financial's 13F filing for Q1 2026, filed 13 May 2026.