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CITADEL ADVISORS LLC

Position in ORKA — Oruka Therapeutics, Inc.

CIK 1423053 MIAMI, FL

Position in ORKA

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$106,496,276
+$57,076,587 QoQ
Shares Held
1,119,011
+11.1% QoQ
Ownership
1.69%
of shares outstanding
% of Portfolio
0.07%
of 13F equity value
Holder Rank
#20
of 256 holders
Holding Since
Sep 2020
19 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in ORKA Over Time

Shares Held

Position Value (USD)

Derivatives in ORKA

reported options exposure · as of Jun 30, 2026
CallValue
$2,274,563
CallShares
23,900
PutValue
$923,149
PutShares
9,700

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Biotechnology

Healthcare · as of Jun 30, 2026

CITADEL ADVISORS LLC holds $6,088,670,159 across 436 Biotechnology names. ORKA ranks #13 (1.7% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in ORKA

Export CSV
44 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $2,274,563 23,900
2026-06-30 $106,496,276 1,119,011
2026-06-30 $923,149 9,700
2026-03-31 $49,419,689 1,007,537
2026-03-31 $539,550 11,000
2025-12-31 $22,008,636 726,118
2025-09-30 $6,093,717 316,886
2025-09-30 $240,375 12,500
2024-06-30 ABIO 22,100
2024-06-30 ABIO 5,600
2024-06-30 ABIO 3,985
2024-03-31 ABIO 1,224
2024-03-31 ABIO 54,700
2023-12-31 ABIO 100
2023-12-31 ABIO 6,320
2023-12-31 ABIO 5,900
2023-09-30 ABIO 10,700
2023-09-30 ABIO 100
2023-06-30 ABIO 1,541
2023-06-30 ABIO 14,100
2023-03-31 ABIO 8,700
2023-03-31 ABIO 7,300
2023-03-31 ABIO 25,211
2022-12-31 ABIO 5,481
2022-12-31 ABIO 3,400
2022-12-31 ABIO 12,400
2022-09-30 ABIO 16,900
2022-09-30 ABIO 29,910
2022-06-30 ABIO 50,100
2022-06-30 ABIO 44,033
2022-03-31 ABIO 12,400
2022-03-31 ABIO 36,800
2022-03-31 ABIO 53,737
2021-12-31 ABIO 20,700
2021-12-31 ABIO 39,967
2021-12-31 ABIO 28,800
2021-09-30 ABIO 29,007
2021-09-30 ABIO 46,800
2021-06-30 ABIO 52,186
2021-06-30 ABIO 24,500
2021-03-31 ABIO 11,200
2021-03-31 ABIO 19,198
2021-03-31 ABIO 41,400
2020-09-30 ABIO 10,172