Jane Street
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Jane Street’s Fulcrum Therapeutics FULC Stock Holding History

Jane Street’s Portfolio FULC Stock Details FULC Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$87.8K Buy
24,000
+2,700
+13% +$16.4K ﹤0.01% 10667
2026
Q1 		$163K Sell
21,300
-15,400
-42% -$143K ﹤0.01% 10319
2025
Q4 		$415K Buy
+36,700
New +$373K ﹤0.01% 8117
2024
Q4 		– Sell
-70,200
Closed -$251K – 9815
2024
Q3 		$251K Buy
+70,200
New +$521K ﹤0.01% 8317
2022
Q1 		– Sell
-13,400
Closed -$237K – 10530
2021
Q4 		$237K Sell
13,400
-26,900
-67% -$533K ﹤0.01% 8562
2021
Q3 		$1.14M Buy
+40,300
New +$764K ﹤0.01% 5654

Other funds holding FULC

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
EC
EcoR1 Capital San Francisco, California $2.06B AUM 215.32% 1-Year Est. Return
TCM
Tang Capital Management San Diego, California $2.2B AUM 156.35% 1-Year Est. Return
NCM
Nantahala Capital Management New Canaan, Connecticut $3.01B AUM 119.46% 1-Year Est. Return
SCM
Suvretta Capital Management New York $5.47B AUM 131.34% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $875B AUM 40.89% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Adage Capital Partners
Adage Capital Partners Boston, Massachusetts $71.3B AUM 56.8% 1-Year Est. Return

Jane Street's FULC Position: Q2 2026 in Review

Jane Street increased its Fulcrum Therapeutics (FULC) stake by 614% in Q2 2026, buying an estimated $11.6M and bringing the position to 2,217,498 shares worth $8.12M. The position accounts for ﹤0.01% of the portfolio, ranked #3090.

Jane Street first reported a position in FULC in Q3 2021 and has held it in 19 quarters since. 154 funds tracked by Wall St. Rank hold FULC as of Q2 2026.

  • Jane Street held 2,217,498 shares of Fulcrum Therapeutics worth $8.12M as of Q2 2026.
  • Jane Street bought 1,907,081 Fulcrum Therapeutics shares in Q2 2026, an estimated $11.6M.
  • Fulcrum Therapeutics made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #3090 holding.
  • Jane Street first reported a position in Fulcrum Therapeutics in Q3 2021 and has held it in 19 quarters since.
  • 154 funds tracked by Wall St. Rank held Fulcrum Therapeutics as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.