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RA Capital Management’s Werewolf Therapeutics HOWL Stock Holding History

RA Capital Management’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
Q1 		$5.56M Hold
6,681,307
– – 0.06% 82
2025
Q4 		$4.23M Hold
6,681,307
– – 0.04% 65
2025
Q3 		$13.2M Hold
6,681,307
– – 0.16% 49
2025
Q2 		$7.28M Buy
6,681,307
+536,426
+9% +$552K 0.12% 51
2025
Q1 		$5.97M Hold
6,144,881
– – 0.1% 75
2024
Q4 		$9.09M Hold
6,144,881
– – 0.12% 74
2024
Q3 		$13M Hold
6,144,881
– – 0.15% 63
2024
Q2 		$15M Hold
6,144,881
– – 0.2% 56
2024
Q1 		$39.8M Hold
6,144,881
– – 0.51% 46
2023
Q4 		$23.7M Hold
6,144,881
– – 0.37% 43
2023
Q3 		$13.2M Hold
6,144,881
– – 0.26% 51
2023
Q2 		$18.7M Hold
6,144,881
– – 0.35% 44
2023
Q1 		$16M Buy
6,144,881
+1,853,000
+43% +$5.52M 0.36% 50
2022
Q4 		$8.8M Hold
4,291,881
– – 0.18% 53
2022
Q3 		$19.4M Hold
4,291,881
– – 0.41% 51
2022
Q2 		$17.6M Hold
4,291,881
– – 0.47% 51
2022
Q1 		$18.9M Hold
4,291,881
– – 0.41% 54
2021
Q4 		$51.1M Hold
4,291,881
– – 0.9% 31
2021
Q3 		$73.6M Hold
4,291,881
– – 1.02% 29
2021
Q2 		$74.8M Buy
+4,291,881
New +$58.8M 1.2% 25

Other funds holding HOWL

VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
MB
MPM BioImpact Boston, Massachusetts $1.29B AUM 141.72% 1-Year Est. Return
LCM
Lynx1 Capital Management San Juan, Puerto Rico $633M AUM 173.22% 1-Year Est. Return
SFM
Sphera Funds Management Tel Aviv, Israel $630M AUM 108.65% 1-Year Est. Return
DF
DC Funds Mclean, Virginia $1.49M AUM 18.57% 1-Year Est. Return
SCM
Squadron Capital Management Westmont, Illinois $273M AUM
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return
VFT
Vanguard Fiduciary Trust Malvern, Pennsylvania $396B AUM

RA Capital Management's HOWL Position: Q1 2026 in Review

RA Capital Management held its Werewolf Therapeutics (HOWL) position steady in Q1 2026 at 6,681,307 shares worth $5.56M. The position accounts for 0.06% of the portfolio, ranked #82.

RA Capital Management first reported a position in HOWL in Q2 2021 and has held it in 20 quarters since. The position peaked at $74.8M in Q2 2021. 48 funds tracked by Wall St. Rank hold HOWL as of Q1 2026.

  • RA Capital Management held 6,681,307 shares of Werewolf Therapeutics worth $5.56M as of Q1 2026.
  • RA Capital Management left its Werewolf Therapeutics share count unchanged in Q1 2026.
  • Werewolf Therapeutics made up 0.06% of RA Capital Management's portfolio in Q1 2026, its #82 holding.
  • RA Capital Management first reported a position in Werewolf Therapeutics in Q2 2021 and has held it in 20 quarters since.
  • RA Capital Management's Werewolf Therapeutics position peaked at $74.8M in Q2 2021.
  • 48 funds tracked by Wall St. Rank held Werewolf Therapeutics as of Q1 2026.

Based on RA Capital Management's 13F filing for Q1 2026, filed 15 May 2026.