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AKTS

Aktis Oncology
AKTS

69 hedge funds and large institutions have $630M invested in Aktis Oncology in 2026 Q1 according to their latest regulatory filings, with 69 funds opening new positions, increasing their positions, reducing their positions, and closing their positions.

New
Increased
Maintained
Reduced
Closed

75.42% more ownership

Funds ownership: 0% → 75.42% (+75%)

Holders
69
Holders Change
+69
Holders Change %
–
% of All Funds
0.85%
Holding in Top 10
4
Holding in Top 10 Change
+4
Holding in Top 10 Change %
% of All Funds
0.05%
New
69
Increased
–
Reduced
–
Closed
–
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
MB
MPM BioImpact
Massachusetts
+$93.9M
2
EC
EcoR1 Capital
California
+$93.7M
3
BOCH
Blue Owl Capital Holdings
New York
+$61.4M
4
Wellington Management Group
Wellington Management Group
Massachusetts
+$45M
5
T. Rowe Price Investment Management
T. Rowe Price Investment Management
Maryland
+$41.2M

Top Sellers

No sellers this quarter
Name Holding Trade Value Shares
Change 		Change in
Stake
MB
1
MPM BioImpact
Massachusetts
$86.5M +$93.9M +4,835,872 New
EC
2
EcoR1 Capital
California
$86.3M +$93.7M +4,824,469 New
BOCH
3
Blue Owl Capital Holdings
New York
$56.6M +$61.4M +3,161,348 New
Wellington Management Group
4
Wellington Management Group
Massachusetts
$41.5M +$45M +2,317,044 New
T. Rowe Price Investment Management
5
T. Rowe Price Investment Management
Maryland
$38M +$41.2M +2,123,812 New
BlackRock
6
BlackRock
New York
$37.8M +$41M +2,112,127 New
RI
7
RTW Investments
New York
$28.5M +$30.9M +1,592,043 New
T. Rowe Price Associates
8
T. Rowe Price Associates
Maryland
$28M +$30.4M +1,564,196 New
RCM
9
RA Capital Management
Massachusetts
$26.9M +$29.2M +1,503,084 New
Janus Henderson Group
10
Janus Henderson Group
United Kingdom
$26M +$28.2M +1,454,267 New
BBA
11
Baker Bros. Advisors
New York
$17.8M +$19.3M +996,351 New
OCA
12
Octagon Capital Advisors
New York
$17.2M +$18.7M +960,847 New
APM
13
Avidity Partners Management
Texas
$17.2M +$18.2M +937,132 New
MC
14
Merck & Co
New Jersey
$17M +$18.5M +952,844 New
VCM
15
Vanguard Capital Management
Pennsylvania
$14.9M +$16.2M +833,913 New
EAM
16
Eventide Asset Management
Massachusetts
$9.07M +$9.84M +507,000 New
Geode Capital Management
17
Geode Capital Management
Massachusetts
$8.8M +$9.55M +491,936 New
State Street
18
State Street
Massachusetts
$7.66M +$8.32M +428,253 New
ACM
19
AH Capital Management
California
$7.42M +$8.06M +415,000 New
Fidelity Investments
20
Fidelity Investments
Massachusetts
$6.91M +$7.5M +386,379 New
UBS Group
21
UBS Group
Switzerland
$6.32M +$6.86M +353,263 New
ACH
22
ArrowMark Colorado Holdings
Colorado
$5.89M +$6.4M +329,471 New
Alyeska Investment Group
23
Alyeska Investment Group
Illinois
$5.19M +$5.63M +290,000 New
Charles Schwab
24
Charles Schwab
California
$2.9M +$3.15M +162,017 New
DCM
25
Driehaus Capital Management
Illinois
$2.68M +$2.91M +150,000 New
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