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BCYC

Siren LLC’s Bicycle Therapeutics BCYC Stock Holding History

Siren LLC’s Portfolio BCYC Stock Details BCYC Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$7.24M Sell
1,560,882
-451,870
-22% -$2.58M 0.2% 67
2025
Q4 		$14.3M Hold
2,012,752
– – 0.43% 44
2025
Q3 		$15.6M Hold
2,012,752
– – 0.61% 38
2025
Q2 		$14M Buy
2,012,752
+200,000
+11% +$1.59M 0.72% 34
2025
Q1 		$15.4M Sell
1,812,752
-26,646
-1% -$314K 0.87% 28
2024
Q4 		$25.8M Buy
+1,839,398
New +$39.4M 1.14% 25

Other funds holding BCYC

BBA
Baker Bros. Advisors New York $17.4B AUM 131.5% 1-Year Est. Return
FIS
FCPM III Services Naarden, Netherlands $722M AUM 73.61% 1-Year Est. Return
AC
Armistice Capital New York $5.62B AUM 36.06% 1-Year Est. Return
LFCM
Long Focus Capital Management San Juan, Puerto Rico $3.8B AUM 7.31% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return
GP
GSK plc London $599M AUM
Principal Financial Group
Principal Financial Group Des Moines, Iowa $187B AUM 18.48% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Siren LLC's BCYC Position: Q1 2026 in Review

Siren LLC reduced its Bicycle Therapeutics (BCYC) stake by 22% in Q1 2026, selling an estimated $2.58M and leaving 1,560,882 shares worth $7.24M. The position accounts for 0.2% of the portfolio, ranked #67.

Siren LLC first reported a position in BCYC in Q4 2024 and has held it in 6 quarters since. The position peaked at $25.8M in Q4 2024. 98 funds tracked by Wall St. Rank hold BCYC as of Q1 2026.

  • Siren LLC held 1,560,882 shares of Bicycle Therapeutics worth $7.24M as of Q1 2026.
  • Siren LLC sold 451,870 Bicycle Therapeutics shares in Q1 2026, an estimated $2.58M.
  • Bicycle Therapeutics made up 0.2% of Siren LLC's portfolio in Q1 2026, its #67 holding.
  • Siren LLC first reported a position in Bicycle Therapeutics in Q4 2024 and has held it in 6 quarters since.
  • Siren LLC's Bicycle Therapeutics position peaked at $25.8M in Q4 2024.
  • 98 funds tracked by Wall St. Rank held Bicycle Therapeutics as of Q1 2026.

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