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Siren LLC’s Invivyd IVVD Stock Holding History

Siren LLC’s Portfolio IVVD Stock Details IVVD Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$4.36M Buy
5,000,000
+1,000,000
+25% +$1.25M 0.09% 91
2026
Q1 		$5.2M Hold
4,000,000
– – 0.14% 76
2025
Q4 		$9.88M Buy
+4,000,000
New +$8.32M 0.29% 54

Other funds holding IVVD

JT
Jupiter Topco New York $245B AUM
BI
BVF Inc San Francisco, California $3.91B AUM 304.52% 1-Year Est. Return
MC
Maverick Capital Dallas, Texas $11.3B AUM 76.6% 1-Year Est. Return
PA
Perceptive Advisors New York $6.66B AUM 360.84% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
MCM
M28 Capital Management Stamford, Connecticut $47.2M AUM 32.31% 1-Year Est. Return
SVCM
Saturn V Capital Management Austin, Texas $697M AUM 628.57% 1-Year Est. Return
SCM
Soleus Capital Management Greenwich, Connecticut $2.9B AUM 169.69% 1-Year Est. Return
Point72 Asset Management
Point72 Asset Management Stamford, Connecticut $90.7B AUM 77.13% 1-Year Est. Return

Siren LLC's IVVD Position: Q2 2026 in Review

Siren LLC increased its Invivyd (IVVD) stake by 25% in Q2 2026, buying an estimated $1.25M and bringing the position to 5,000,000 shares worth $4.36M. The position accounts for 0.09% of the portfolio, ranked #91.

Siren LLC first reported a position in IVVD in Q4 2025 and has held it in 3 quarters since. The position peaked at $9.88M in Q4 2025. 125 funds tracked by Wall St. Rank hold IVVD as of Q2 2026.

  • Siren LLC held 5,000,000 shares of Invivyd worth $4.36M as of Q2 2026.
  • Siren LLC bought 1,000,000 Invivyd shares in Q2 2026, an estimated $1.25M.
  • Invivyd made up 0.09% of Siren LLC's portfolio in Q2 2026, its #91 holding.
  • Siren LLC first reported a position in Invivyd in Q4 2025 and has held it in 3 quarters since.
  • Siren LLC's Invivyd position peaked at $9.88M in Q4 2025.
  • 125 funds tracked by Wall St. Rank held Invivyd as of Q2 2026.

Based on Siren LLC's 13F filing for Q2 2026, filed 13 Aug 2026.