Aktis Oncology, Inc.

AKTSNASDAQ

$17.86-0.66 (-3.56% today)

Legend

Insider buy

Insider sell

Congress buy

Congress sell

Hedge Funds
bought vs soldGreener markers show more buyers; redder markers show more sellers.

Company share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size.

Insider buy
Insider sell
Congress buy
Congress sell
Hedge Funds bought vs sold

Share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size. Greener fund markers mean more buyers.

Insider Buy
Insider Sell
Congress Buy
Congress Sell
Hedge funds bought vs sold
BuybackNo changeNet dilution

Aktis Oncology, Inc. price and activity chart data

Showing the 1Y range: Jan 9, 2026 to Oct 6, 2026. Price (-20.3%). 0 insider or congressional trades plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Largest institutional holders

13F · Q2 2026

Fund	% of company held	Value	% of portfolio	Quarterly activity
MPM Bioimpact LLC	9.05%	$156M	9.50%	Not reported
EcoR1 Capital, LLC	9.03%	$155M	7.56%	Not reported
Blue Owl Capital Holdings LP	5.74%	$99M	14.89%	Not reported
BlackRock, Inc.	4.26%	$73.4M	0.00%	Not reported
T. Rowe Price Investment Management, Inc.	3.84%	$66.1M	0.04%	Reduce 3.41%
Wellington Management Group LLP	3.68%	$63.4M	0.01%	Reduce 15.14%
RTW Investments, LP	2.98%	$51.3M	0.44%	Not reported
Ra Capital Management, L.P.	2.46%	$42.4M	0.37%	Reduce 12.55%
Jupiter Topco LLC	2.46%	$42.4M	0.02%	Not reported
Baker Bros. Advisors LP	1.86%	$32.1M	0.16%	Not reported
Octagon Capital Advisors LP	1.80%	$31M	2.78%	Not reported
Merck & Co., Inc.	1.78%	$30.7M	5.83%	Not reported
Vanguard Capital Management LLC	1.53%	$26.3M	0.00%	Not reported
TCG Crossover Management, LLC	1.30%	$22.5M	0.54%	New Not reported
Geode Capital Management, LLC	0.97%	$16.8M	0.00%	Not reported
Eventide Asset Management, LLC	0.95%	$16.3M	0.22%	Not reported
Avidity Partners Management LP	0.91%	$15.6M	2.50%	Reduce 48.33%
State Street Corp	0.91%	$15.6M	0.00%	Not reported
a16z Capital Management, L.L.C.	0.78%	$13.4M	0.09%	Not reported
Alyeska Investment Group, L.P.	0.54%	$9.35M	0.02%	Not reported
FMR LLC	0.53%	$9.21M	0.00%	Not reported
ArrowMark Colorado Holdings LLC	0.46%	$7.92M	0.33%	Reduce 25.37%
Northern Trust Corp	0.34%	$5.82M	0.00%	Not reported
Charles Schwab Investment Management Inc	0.31%	$5.38M	0.00%	Not reported
Barclays PLC	0.28%	$4.89M	0.00%	Not reported
Vanguard Portfolio Management LLC	0.27%	$4.68M	0.00%	Not reported
Vanguard Fiduciary Trust Co	0.25%	$4.31M	0.00%	Not reported
Soros Fund Management LLC	0.19%	$3.22M	0.04%	Not reported
Woodline Partners LP	0.19%	$3.22M	0.01%	Not reported
UBS Group AG	0.19%	$3.22M	0.00%	Not reported
Renaissance Technologies LLC	0.18%	$3.07M	0.00%	Not reported
Bank of America Corp	0.14%	$2.35M	0.00%	Not reported
Polen Capital Management LLC	0.12%	$2.05M	0.02%	New Not reported
Morgan Stanley	0.12%	$2.02M	0.00%	Not reported
Tidal Investments LLC	0.11%	$1.84M	0.00%	New Not reported
Raymond James Financial Inc	0.09%	$1.63M	0.00%	Not reported
Nuveen, LLC	0.09%	$1.61M	0.00%	Not reported
Bank of New York Mellon Corp	0.09%	$1.59M	0.00%	Not reported
AQR Capital Management LLC	0.09%	$1.55M	0.00%	Not reported
Manufacturers Life Insurance Company, the	0.09%	$1.55M	0.00%	Not reported
Quantinno Capital Management LP	0.09%	$1.51M	0.00%	New Not reported
Great Lakes Advisors, LLC	0.08%	$1.41M	0.01%	New Not reported
Mirador Capital Partners LP	0.08%	$1.29M	0.16%	New Not reported
Squarepoint Ops LLC	0.07%	$1.24M	0.00%	Not reported
Jump Financial, LLC	0.06%	$1.06M	0.01%	Not reported
Sofinnova Investments, Inc.	0.06%	$1.05M	0.05%	New Not reported
Two Sigma Investments, LP	0.06%	$996K	0.00%	Not reported
Readystate Asset Management LP	0.06%	$967K	0.03%	Not reported
Wells Fargo & Company	0.05%	$891K	0.00%	Not reported
Rhumbline Advisers	0.05%	$868K	0.00%	Not reported

50 of 107 holders

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