Siren LLC’s Absci ABSI Stock Holding History

Siren LLC’s Portfolio ABSI Stock Details ABSI Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$28.7M	Buy	2,474,764 +674,764	+37%	+$3.8M	0.58%	45
2026 Q1	$5.4M	Buy	+1,800,000	New	+$5.21M	0.15%	75

Other funds holding ABSI

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

AIM

ARK Investment Management St. Petersburg, Florida $15.4B AUM 50.29% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Ameriprise Minneapolis, Minnesota $495B AUM 43.24% 1-Year Est. Return

Redmile Group San Francisco, California $1.49B AUM 208.7% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

AMD

Advanced Micro Devices Santa Clara, California $1.31B AUM

Adage Capital Partners Boston, Massachusetts $71.3B AUM 56.8% 1-Year Est. Return

Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return

Siren LLC's ABSI Position: Q2 2026 in Review

Siren LLC increased its Absci (ABSI) stake by 37% in Q2 2026, buying an estimated $3.8M and bringing the position to 2,474,764 shares worth $28.7M. The position accounts for 0.58% of the portfolio, ranked #45.

Siren LLC first reported a position in ABSI in Q1 2026 and has held it in 2 quarters since. 197 funds tracked by Wall St. Rank hold ABSI as of Q2 2026.

Siren LLC held 2,474,764 shares of Absci worth $28.7M as of Q2 2026.
Siren LLC bought 674,764 Absci shares in Q2 2026, an estimated $3.8M.
Absci made up 0.58% of Siren LLC's portfolio in Q2 2026, its #45 holding.
Siren LLC first reported a position in Absci in Q1 2026 and has held it in 2 quarters since.
197 funds tracked by Wall St. Rank held Absci as of Q2 2026.

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