Jane Street
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Jane Street’s Werewolf Therapeutics HOWL Stock Holding History

Jane Street’s Portfolio HOWL Stock Details HOWL Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$90.6K Buy
251,837
+169,001
+204% +$103K ﹤0.01% 10652
2026
Q1 		$69K Sell
82,836
-74,486
-47% -$51K ﹤0.01% 10830
2025
Q4 		$99.7K Sell
157,322
-111,255
-41% -$135K ﹤0.01% 10192
2025
Q3 		$529K Sell
268,577
-106,362
-28% -$146K ﹤0.01% 7743
2025
Q2 		$409K Buy
+374,939
New +$386K ﹤0.01% 7314
2025
Q1 		– Sell
-54,713
Closed -$81K – 9901
2024
Q4 		$81K Buy
54,713
+39,564
+261% +$80.7K ﹤0.01% 8836
2024
Q3 		$32.1K Sell
15,149
-13,431
-47% -$30.6K ﹤0.01% 9238
2024
Q2 		$69.7K Sell
28,580
-128,646
-82% -$618K ﹤0.01% 8847
2024
Q1 		$1.02M Buy
157,226
+142,739
+985% +$832K ﹤0.01% 5378
2023
Q4 		$55.9K Buy
+14,487
New +$37K ﹤0.01% 8758
2023
Q1 		– Sell
-22,064
Closed -$45.2K – 9398
2022
Q4 		$45.2K Buy
+22,064
New +$57.7K ﹤0.01% 8400

Other funds holding HOWL

RCM
RA Capital Management Boston, Massachusetts $11.5B AUM 168.77% 1-Year Est. Return
Balyasny Asset Management
Balyasny Asset Management Chicago, Illinois $80.2B AUM 51.53% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Renaissance Technologies
Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return
LCM
Lynx1 Capital Management San Juan, Puerto Rico $866M AUM 231.68% 1-Year Est. Return
SFM
Sphera Funds Management Tel Aviv, Israel $767M AUM 119.71% 1-Year Est. Return
DF
DC Funds Mclean, Virginia $1.25M AUM 26.51% 1-Year Est. Return
VA
Verdad Advisers Boston, Massachusetts $104M AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return

Jane Street's HOWL Position: Q2 2026 in Review

Jane Street increased its Werewolf Therapeutics (HOWL) stake by 204% in Q2 2026, buying an estimated $103K and bringing the position to 251,837 shares worth $90.6K. The position accounts for ﹤0.01% of the portfolio, ranked #10652.

Jane Street first reported a position in HOWL in Q4 2022 and has held it in 11 quarters since. The position peaked at $1.02M in Q1 2024. 45 funds tracked by Wall St. Rank hold HOWL as of Q2 2026.

  • Jane Street held 251,837 shares of Werewolf Therapeutics worth $90.6K as of Q2 2026.
  • Jane Street bought 169,001 Werewolf Therapeutics shares in Q2 2026, an estimated $103K.
  • Werewolf Therapeutics made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #10652 holding.
  • Jane Street first reported a position in Werewolf Therapeutics in Q4 2022 and has held it in 11 quarters since.
  • Jane Street's Werewolf Therapeutics position peaked at $1.02M in Q1 2024.
  • 45 funds tracked by Wall St. Rank held Werewolf Therapeutics as of Q2 2026.

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