AKTSAktis Oncology, Inc.

$26.58

Who owns AKTS

69 institutions reported holding AKTS for 2026Q1, together 71% of the company.

69

Institutions reporting a position · as of 2026Q1

Shares held by institutions
34.7M

Shares held by institutions · 71% of the company · long US equity positions only, as reported on Form 13F

Reported value
$621M

Reported value · at 2026-03-31 prices, not today's

Top 5 holders
35%

Top 5 holders · of the whole company, between five filers

Details
Reporting quarter2026-03-31
2026Q1
Quarters on record
1
New positions
66
Positions exited
0
Added to
0
Reduced
0
Top 10 holdersof the company
52%
Largest reported holders, 2026Q1
HolderShares% of companyValue
MPM BIOIMPACT LLC4.8M9.9%$87M
EcoR1 Capital, LLC4.8M9.9%$86M
Blue Owl Capital Holdings LP3.2M6.5%$57M
WELLINGTON MANAGEMENT GROUP LLP2.3M4.8%$41M
T. Rowe Price Investment Management, Inc.2.1M4.4%$38M
BlackRock Inc.2.1M4.3%$38M
RTW INVESTMENTS, LP1.6M3.3%$28M
PRICE T ROWE ASSOCIATES INC /MD/1.6M3.2%$28M
RA CAPITAL MANAGEMENT, L.P.1.5M3.1%$27M
HENDERSON GROUP PLC1.5M3.0%$26M

SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold.

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