Jane Street
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Jane Street’s Fortress Biotech FBIO Stock Holding History

Jane Street’s Portfolio FBIO Stock Details FBIO Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$77.8K Sell
25,414
-15,520
-38% -$40K ﹤0.01% 10736
2026
Q1 		$114K Sell
40,934
-50,985
-55% -$173K ﹤0.01% 10566
2025
Q4 		$336K Buy
91,919
+18,821
+26% +$53.6K ﹤0.01% 8575
2025
Q3 		$270K Buy
+73,098
New +$185K ﹤0.01% 9110
2025
Q1 		– Sell
-34,159
Closed -$69.2K – 9737
2024
Q4 		$69.2K Buy
+34,159
New +$61.9K ﹤0.01% 8882
2024
Q1 		– Sell
-28,159
Closed -$84.8K – 9437
2023
Q4 		$84.8K Buy
28,159
+24,171
+606% +$63.9K ﹤0.01% 8644
2023
Q3 		$17.4K Buy
+3,988
New +$27.4K ﹤0.01% 8318
2021
Q1 		– Sell
-947
Closed -$45K – 9229
2020
Q4 		$45K Buy
+947
New +$41K ﹤0.01% 7327
2020
Q3 		– Sell
-8,102
Closed -$326K – 7349
2020
Q2 		$326K Buy
8,102
+3,979
+97% +$148K ﹤0.01% 5719
2020
Q1 		$117K Buy
+4,123
New +$137K ﹤0.01% 4885
2019
Q3 		– Sell
-8,769
Closed -$197K – 5259
2019
Q2 		$197K Buy
+8,769
New +$226K ﹤0.01% 4696
2015
Q2 		– Sell
-2,364
Closed -$137K – 3743
2015
Q1 		$137K Buy
2,364
+1,533
+184% +$63.9K ﹤0.01% 2962
2014
Q4 		$30K Buy
+831
New +$24.5K ﹤0.01% 2399
2014
Q2 		– Sell
-1,156
Closed -$34K – 2728
2014
Q1 		$34K Buy
+1,156
New +$45.1K ﹤0.01% 2607
2013
Q3 		– Sell
-739
Closed -$95K – 2820
2013
Q2 		$95K Buy
+739
New +$109K ﹤0.01% 2448

Other funds holding FBIO

Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
OM
Opaleye Management Boston, Massachusetts $1.1B AUM 197.64% 1-Year Est. Return
Mackenzie Financial
Mackenzie Financial Toronto Ontario, Ontario, Canada $100B AUM 36.93% 1-Year Est. Return
GCP
GSA Capital Partners London, United Kingdom $1.59B AUM 39.81% 1-Year Est. Return
SAM
Shikiar Asset Management New York $396M AUM 41.06% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return
BCM
Bridgeway Capital Management Houston, Texas $5.69B AUM 60.64% 1-Year Est. Return
Vanguard Fiduciary Trust
Vanguard Fiduciary Trust Malvern, Pennsylvania $454B AUM

Jane Street's FBIO Position: Q2 2026 in Review

Jane Street reduced its Fortress Biotech (FBIO) stake by 38% in Q2 2026, selling an estimated $40K and leaving 25,414 shares worth $77.8K. The position accounts for ﹤0.01% of the portfolio, ranked #10736.

Jane Street first reported a position in FBIO in Q2 2013 and has held it in 15 quarters since. The position peaked at $336K in Q4 2025. 55 funds tracked by Wall St. Rank hold FBIO as of Q2 2026.

  • Jane Street held 25,414 shares of Fortress Biotech worth $77.8K as of Q2 2026.
  • Jane Street sold 15,520 Fortress Biotech shares in Q2 2026, an estimated $40K.
  • Fortress Biotech made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #10736 holding.
  • Jane Street first reported a position in Fortress Biotech in Q2 2013 and has held it in 15 quarters since.
  • Jane Street's Fortress Biotech position peaked at $336K in Q4 2025.
  • 55 funds tracked by Wall St. Rank held Fortress Biotech as of Q2 2026.

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