JY
ORKA

Jeff Yass’s Oruka Therapeutics ORKA Stock Holding History

Jeff Yass’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 		$437K Sell
4,588
-16,396
-78% -$1.09M ﹤0.01% 10219
2026
Q1 		$1.03M Buy
20,984
+12,319
+142% +$428K ﹤0.01% 7816
2025
Q4 		$263K Buy
+8,665
New +$241K ﹤0.01% 10268
2025
Q3 		– Sell
-33,962
Closed -$503K – 14192
2025
Q2 		$381K Sell
33,962
-316,074
-90% -$3.29M ﹤0.01% 9811
2025
Q1 		$3.59M Buy
+350,036
New +$4.37M ﹤0.01% 4299
2022
Q4 		– Sell
-26,184
Closed -$671K – 13897
2022
Q3 		$647K Buy
26,184
+7,191
+38% +$203K ﹤0.01% 7764
2022
Q2 		$568K Buy
+18,993
New +$537K ﹤0.01% 7949
2022
Q1 		– Sell
-2,672
Closed -$66.2K – 14137
2021
Q4 		$69K Sell
2,672
-6,498
-71% -$196K ﹤0.01% 12394
2021
Q3 		$326K Buy
9,170
+691
+8% +$25.5K ﹤0.01% 10417
2021
Q2 		$355K Sell
8,479
-405
-5% -$16.9K ﹤0.01% 10408
2021
Q1 		$389K Buy
8,884
+6,197
+231% +$325K ﹤0.01% 10045
2020
Q4 		$129K Buy
+2,687
New +$134K ﹤0.01% 10355
2019
Q2 		– Sell
-337
Closed -$27K – 10946
2019
Q1 		$27K Buy
+337
New +$29.9K ﹤0.01% 8560
2018
Q3 		– Sell
-221
Closed -$26K – 10404
2018
Q2 		$26K Buy
+221
New +$25.9K ﹤0.01% 9396
2018
Q1 		– Sell
-48
Closed -$14K – 10329
2017
Q4 		$14K Buy
+48
New +$13.9K ﹤0.01% 9104
2015
Q3 		– Sell
-376
Closed -$653K – 10303
2015
Q2 		$653K Buy
+376
New +$494K ﹤0.01% 7095

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
RI
RTW Investments New York $11.7B AUM 174.13% 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

Jeff Yass's ORKA Position: Q2 2026 in Review

Jeff Yass reduced its Oruka Therapeutics (ORKA) stake by 78% in Q2 2026, selling an estimated $1.09M and leaving 4,588 shares worth $437K. The position accounts for ﹤0.01% of the portfolio, ranked #10219.

Jeff Yass first reported a position in ORKA in Q2 2015 and has held it in 16 quarters since. The position peaked at $3.59M in Q1 2025. 254 funds tracked by Wall St. Rank hold ORKA as of Q2 2026.

  • Jeff Yass held 4,588 shares of Oruka Therapeutics worth $437K as of Q2 2026.
  • Jeff Yass sold 16,396 Oruka Therapeutics shares in Q2 2026, an estimated $1.09M.
  • Oruka Therapeutics made up ﹤0.01% of Jeff Yass's portfolio in Q2 2026, its #10219 holding.
  • Jeff Yass first reported a position in Oruka Therapeutics in Q2 2015 and has held it in 16 quarters since.
  • Jeff Yass's Oruka Therapeutics position peaked at $3.59M in Q1 2025.
  • 254 funds tracked by Wall St. Rank held Oruka Therapeutics as of Q2 2026.

Based on Susquehanna International Group's 13F filing for Q2 2026, filed 14 Aug 2026.