RI
ORKA

RTW Investments’s Oruka Therapeutics ORKA Stock Holding History

RTW Investments’s Portfolio ORKA Stock Details ORKA Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$299M Buy
3,139,030
+1,080,882
+53% +$72M 2.55% 12
2026
Q1 		$101M Hold
2,058,148
– – 1% 30
2025
Q4 		$62.4M Buy
2,058,148
+112,499
+6% +$3.13M 0.62% 42
2025
Q3 		$37.4M Hold
1,945,649
– – 0.46% 45
2025
Q2 		$21.8M Hold
1,945,649
– – 0.31% 47
2025
Q1 		$20M Hold
1,945,649
– – 0.31% 44
2024
Q4 		$37.7M Buy
1,945,649
+95,001
+5% +$2.32M 0.57% 38
2024
Q3 		$45.4M Buy
1,850,648
+1,733,981
+1,486% +$60.3M 0.66% 37
2024
Q2 		$5.36M Buy
+116,667
New +$4.65M 0.08% 54

Other funds holding ORKA

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
VA
VR Adviser New York $3.3B AUM 525.74% 1-Year Est. Return
FFM
Fairmount Funds Management West Conshohocken, Pennsylvania $1.51B AUM 546.08% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
PBA
Paradigm Biocapital Advisors New York $5.34B AUM 380.18% 1-Year Est. Return
DTC
Deep Track Capital Greenwich, Connecticut $6.87B AUM 205.24% 1-Year Est. Return
BG
Bellevue Group Kuesnacht, Switzerland $4.75B AUM 68.58% 1-Year Est. Return

RTW Investments's ORKA Position: Q2 2026 in Review

RTW Investments increased its Oruka Therapeutics (ORKA) stake by 53% in Q2 2026, buying an estimated $72M and bringing the position to 3,139,030 shares worth $299M. The position accounts for 2.55% of the portfolio, ranked #12.

RTW Investments first reported a position in ORKA in Q2 2024 and has held it in 9 quarters since. 256 funds tracked by Wall St. Rank hold ORKA as of Q2 2026.

  • RTW Investments held 3,139,030 shares of Oruka Therapeutics worth $299M as of Q2 2026.
  • RTW Investments bought 1,080,882 Oruka Therapeutics shares in Q2 2026, an estimated $72M.
  • Oruka Therapeutics made up 2.55% of RTW Investments's portfolio in Q2 2026, its #12 holding.
  • RTW Investments first reported a position in Oruka Therapeutics in Q2 2024 and has held it in 9 quarters since.
  • 256 funds tracked by Wall St. Rank held Oruka Therapeutics as of Q2 2026.

Based on RTW Investments's 13F filing for Q2 2026, filed 14 Aug 2026.