SL
NBP

Siren LLC’s NovaBridge Biosciences American Depositary Shares NBP Stock Holding History

Siren LLC’s Portfolio NBP Stock Details NBP Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$7.38M Hold
3,000,000
– – 0.2% 66
2025
Q4 		$11.9M Buy
3,000,000
+1,834,043
+157% +$8.12M 0.36% 49
2025
Q3 		$4.41M Buy
+1,165,957
New +$3.96M 0.17% 69

Other funds holding NBP

Janus Henderson Group
Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return
HA
HHLR Advisors Grand Cayman, Cayman Islands $1.67B AUM 7.53% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
ACM
AIHC Capital Management Central $120M AUM
Point72 Asset Management
Point72 Asset Management Stamford, Connecticut $78.1B AUM 55.25% 1-Year Est. Return
CS
Candriam SCA Strassen, Luxembourg, Luxembourg $19.3B AUM 39.18% 1-Year Est. Return
Adage Capital Partners
Adage Capital Partners Boston, Massachusetts $64.8B AUM 42.7% 1-Year Est. Return
WP
Woodline Partners San Francisco, California $26.4B AUM 44.85% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
EAM
Exome Asset Management New York $193M AUM 208.51% 1-Year Est. Return

Siren LLC's NBP Position: Q1 2026 in Review

Siren LLC held its NovaBridge Biosciences American Depositary Shares (NBP) position steady in Q1 2026 at 3,000,000 shares worth $7.38M. The position accounts for 0.2% of the portfolio, ranked #66.

Siren LLC first reported a position in NBP in Q3 2025 and has held it in 3 quarters since. The position peaked at $11.9M in Q4 2025. 48 funds tracked by Wall St. Rank hold NBP as of Q1 2026.

  • Siren LLC held 3,000,000 shares of NovaBridge Biosciences American Depositary Shares worth $7.38M as of Q1 2026.
  • Siren LLC left its NovaBridge Biosciences American Depositary Shares share count unchanged in Q1 2026.
  • NovaBridge Biosciences American Depositary Shares made up 0.2% of Siren LLC's portfolio in Q1 2026, its #66 holding.
  • Siren LLC first reported a position in NovaBridge Biosciences American Depositary Shares in Q3 2025 and has held it in 3 quarters since.
  • Siren LLC's NovaBridge Biosciences American Depositary Shares position peaked at $11.9M in Q4 2025.
  • 48 funds tracked by Wall St. Rank held NovaBridge Biosciences American Depositary Shares as of Q1 2026.

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