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Siren LLC’s Rezolute RZLT Stock Holding History

Siren LLC’s Portfolio RZLT Stock Details RZLT Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$10.2M Buy
+3,328,287
New +$9.99M 0.28% 57
2025
Q4 		– Sell
-4,870,000
Closed -$45.8M – 130
2025
Q3 		$45.8M Buy
+4,870,000
New +$32.4M 1.79% 19

Other funds holding RZLT

Federated Hermes
Federated Hermes Pittsburgh, Pennsylvania $61.5B AUM 30.7% 1-Year Est. Return
RCM
RA Capital Management Boston, Massachusetts $9.44B AUM 157.3% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
OM
Opaleye Management Boston, Massachusetts $759M AUM 124.8% 1-Year Est. Return
Balyasny Asset Management
Balyasny Asset Management Chicago, Illinois $77.1B AUM 42.89% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Jennison Associates
Jennison Associates New York $145B AUM 34.61% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Siren LLC's RZLT Position: Q1 2026 in Review

Siren LLC opened a new position in Rezolute (RZLT) in Q1 2026: 3,328,287 shares worth $10.2M. The stake represents 0.28% of the portfolio and ranks #57 among its holdings. This is a return to the name: Siren LLC previously reported a position in RZLT as recently as Q3 2025.

Siren LLC first reported a position in RZLT in Q3 2025 and has held it in 2 quarters since. The position peaked at $45.8M in Q3 2025. 124 funds tracked by Wall St. Rank hold RZLT as of Q1 2026.

  • Siren LLC held 3,328,287 shares of Rezolute worth $10.2M as of Q1 2026.
  • Rezolute was a new Siren LLC position in Q1 2026.
  • Rezolute made up 0.28% of Siren LLC's portfolio in Q1 2026, its #57 holding.
  • Siren LLC first reported a position in Rezolute in Q3 2025 and has held it in 2 quarters since.
  • Siren LLC's Rezolute position peaked at $45.8M in Q3 2025.
  • 124 funds tracked by Wall St. Rank held Rezolute as of Q1 2026.

Based on Siren LLC's 13F filing for Q1 2026, filed 14 May 2026.