EC
WHWK

EcoR1 Capital’s Whitehawk Therapeutics WHWK Stock Holding History

EcoR1 Capital’s Portfolio WHWK Stock Details WHWK Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q3 		– Sell
-1,091,417
Closed -$2.04M – 43
2025
Q2 		$2.04M Sell
1,091,417
-990,583
-48% -$1.72M 0.12% 33
2025
Q1 		$3.71M Buy
2,082,000
+1,736,747
+503% +$4.54M 0.22% 32
2024
Q4 		$1.09M Sell
345,253
-1,500,000
-81% -$3.4M 0.04% 54
2024
Q3 		$3.8M Buy
+1,845,253
New +$2.98M 0.13% 50
2021
Q2 		– Sell
-138,185
Closed -$2.67M – 75
2021
Q1 		$2.67M Buy
+138,185
New +$3.18M 0.12% 49

Other funds holding WHWK

QF
QVT Financial New York $1.37B AUM 148.1% 1-Year Est. Return
O
OrbiMed New York $5.05B AUM 125.28% 1-Year Est. Return
SCM
Suvretta Capital Management New York $3.92B AUM 86.67% 1-Year Est. Return
ACP
Acuta Capital Partners Redwood City, California $142M AUM 783.79% 1-Year Est. Return
ACA
Avoro Capital Advisors New York $10.2B AUM 149.19% 1-Year Est. Return
SL
Siren LLC Greenwich, Connecticut $3.61B AUM 203.3% 1-Year Est. Return
YF
Yu Fan $97M AUM 57.2% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
ACA
Acorn Capital Advisors New York $352M AUM 299.18% 1-Year Est. Return
ABG
Ally Bridge Group New York $124M AUM 249.88% 1-Year Est. Return

EcoR1 Capital's WHWK Position: Q3 2025 in Review

EcoR1 Capital sold out of Whitehawk Therapeutics (WHWK) in Q3 2025, closing a stake of 1,091,417 shares — an estimated $2.04M sold.

EcoR1 Capital first reported a position in WHWK in Q1 2021 and held it in 5 quarters. The position peaked at $3.8M in Q3 2024. 41 funds tracked by Wall St. Rank hold WHWK as of Q3 2025.

  • EcoR1 Capital reported no remaining Whitehawk Therapeutics position as of Q3 2025 after selling out during the quarter.
  • EcoR1 Capital sold 1,091,417 Whitehawk Therapeutics shares in Q3 2025, an estimated $2.04M.
  • EcoR1 Capital first reported a position in Whitehawk Therapeutics in Q1 2021 and held it in 5 quarters.
  • EcoR1 Capital's Whitehawk Therapeutics position peaked at $3.8M in Q3 2024.
  • 41 funds tracked by Wall St. Rank held Whitehawk Therapeutics as of Q3 2025.

Based on EcoR1 Capital's 13F filing for Q3 2025, filed 14 Nov 2025.