Jane Street
BCYC

Jane Street’s Bicycle Therapeutics BCYC Stock Holding History

Jane Street’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 		$1.01M Buy
218,115
+154,925
+245% +$885K ﹤0.01% 6476
2025
Q4 		$447K Sell
63,190
-39,269
-38% -$290K ﹤0.01% 7947
2025
Q3 		$793K Buy
102,459
+79,852
+353% +$603K ﹤0.01% 6827
2025
Q2 		$157K Buy
+22,607
New +$180K ﹤0.01% 8717
2025
Q1 		– Sell
-23,991
Closed -$336K – 9424
2024
Q4 		$336K Buy
23,991
+3,811
+19% +$81.7K ﹤0.01% 7553
2024
Q3 		$457K Buy
20,180
+5,310
+36% +$122K ﹤0.01% 7341
2024
Q2 		$301K Sell
14,870
-5,327
-26% -$120K ﹤0.01% 7795
2024
Q1 		$503K Sell
20,197
-62,753
-76% -$1.33M ﹤0.01% 6651
2023
Q4 		$1.5M Buy
82,950
+33,576
+68% +$556K ﹤0.01% 4820
2023
Q3 		$992K Buy
+49,374
New +$1.13M ﹤0.01% 5192
2023
Q2 		– Sell
-9,800
Closed -$208K – 8662
2023
Q1 		$208K Buy
+9,800
New +$246K ﹤0.01% 7786
2022
Q2 		– Sell
-7,991
Closed -$351K – 9651
2022
Q1 		$351K Sell
7,991
-5,395
-40% -$252K ﹤0.01% 8130
2021
Q4 		$814K Buy
+13,386
New +$739K ﹤0.01% 6324

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
SL
Siren LLC Greenwich, Connecticut $3.61B AUM 203.3% 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

Jane Street's BCYC Position: Q1 2026 in Review

Jane Street increased its Bicycle Therapeutics (BCYC) stake by 245% in Q1 2026, buying an estimated $885K and bringing the position to 218,115 shares worth $1.01M. The position accounts for ﹤0.01% of the portfolio, ranked #6476.

Jane Street first reported a position in BCYC in Q4 2021 and has held it in 13 quarters since. The position peaked at $1.5M in Q4 2023. 98 funds tracked by Wall St. Rank hold BCYC as of Q1 2026.

  • Jane Street held 218,115 shares of Bicycle Therapeutics worth $1.01M as of Q1 2026.
  • Jane Street bought 154,925 Bicycle Therapeutics shares in Q1 2026, an estimated $885K.
  • Bicycle Therapeutics made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #6476 holding.
  • Jane Street first reported a position in Bicycle Therapeutics in Q4 2021 and has held it in 13 quarters since.
  • Jane Street's Bicycle Therapeutics position peaked at $1.5M in Q4 2023.
  • 98 funds tracked by Wall St. Rank held Bicycle Therapeutics as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.