Who Owns AKTIS ONCOLOGY (AKTS)? -- Institutional Holders (2026-06-30)

117 institutions reported holding $1.11B of AKTIS ONCOLOGY (AKTS) in SEC 13F filings for 2026-06-30. Largest institutional holders: MPM BIOIMPACT LLC ($155.9M), EcoR1 Capital, LLC ($155.5M), Blue Owl Capital Holdings LP ($99.0M), BlackRock, Inc. ($73.4M), T. Rowe Price Investment Management, Inc. ($66.1M). Source: SEC Form 13F.

Rank	Institution	Value	Shares	Change
1	MPM BIOIMPACT LLC	$155.9M	4.8M	Hold
2	EcoR1 Capital, LLC	$155.5M	4.8M	Hold
3	Blue Owl Capital Holdings LP	$99.0M	3.1M	Trimmed
4	BlackRock, Inc.	$73.4M	2.3M	Added
5	T. Rowe Price Investment Management, Inc.	$66.1M	2.1M	Trimmed
6	WELLINGTON MANAGEMENT GROUP LLP	$63.4M	2.0M	Trimmed
7	RTW INVESTMENTS, LP	$51.3M	1.6M	Hold
8	RA CAPITAL MANAGEMENT, L.P.	$42.4M	1.3M	Trimmed
9	Jupiter Topco LLC	$42.4M	1.3M	New
10	VANGUARD GROUP INC	$35.6M	1.1M	Added
11	BAKER BROS. ADVISORS LP	$32.1M	996,351	Hold
12	Octagon Capital Advisors LP	$31.0M	960,847	Hold
13	Merck & Co., Inc.	$30.7M	952,844	Hold
14	PRICE T ROWE ASSOCIATES INC /MD/	$24.6M	763,499	Trimmed
15	TCG Crossover Management, LLC	$22.5M	696,560	New
16	GEODE CAPITAL MANAGEMENT, LLC	$16.8M	520,737	Added
17	EVENTIDE ASSET MANAGEMENT, LLC	$16.3M	507,000	Hold
18	Avidity Partners Management LP	$15.6M	484,200	Added
19	STATE STREET CORP	$15.6M	484,010	Added
20	a16z Capital Management, L.L.C.	$13.4M	415,000	Hold
21	Alyeska Investment Group, L.P.	$9.3M	290,000	Hold
22	FMR LLC	$9.2M	285,631	Trimmed
23	ArrowMark Colorado Holdings LLC	$7.9M	245,872	Trimmed
24	NORTHERN TRUST CORP	$5.8M	180,575	Added
25	Sixth Street Partners Management Company, L.P.	$5.4M	166,842	New

来源：SEC 13F 申报文件 · 截至 2026-06-30