Siren LLC’s Parabilis Medicines Inc PBLS Stock Holding History

Siren LLC’s Portfolio PBLS Stock Details PBLS Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q3	$96.6M	Hold	2,992,259	–	–	2.28%	12
2026 Q2	$81.9M	Buy	+2,992,259	New	+$82.7M	1.66%	15

Other funds holding PBLS

Fidelity Investments Boston, Massachusetts $2.32T AUM 44.66% 1-Year Est. Return

Alphabet Inc Mountain View, California $88.3B AUM 46.07% 1-Year Est. Return

Regeneron Pharmaceuticals Tarrytown, New York $180M AUM 18.92% 1-Year Est. Return

BlackRock New York $6.79T AUM 37.06% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.21T AUM

Vanguard Capital Management Malvern, Pennsylvania $4.76T AUM

General Atlantic New York $2.48B AUM 19.88% 1-Year Est. Return

JP Morgan Chase New York $1.84T AUM 33.86% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return

State Street Boston, Massachusetts $3.44T AUM 36.12% 1-Year Est. Return

Siren LLC's PBLS Position: Q3 2026 in Review

Siren LLC held its Parabilis Medicines Inc (PBLS) position steady in Q3 2026 at 2,992,259 shares worth $96.6M. The position accounts for 2.28% of the portfolio, ranked #12.

Siren LLC first reported a position in PBLS in Q2 2026 and has held it in 2 quarters since. 79 funds tracked by Wall St. Rank hold PBLS as of Q3 2026.

Siren LLC held 2,992,259 shares of Parabilis Medicines Inc worth $96.6M as of Q3 2026.
Siren LLC left its Parabilis Medicines Inc share count unchanged in Q3 2026.
Parabilis Medicines Inc made up 2.28% of Siren LLC's portfolio in Q3 2026, its #12 holding.
Siren LLC first reported a position in Parabilis Medicines Inc in Q2 2026 and has held it in 2 quarters since.
79 funds tracked by Wall St. Rank held Parabilis Medicines Inc as of Q3 2026.

Based on Siren LLC's 13F filing for Q3 2026, filed 12 Nov 2026.