Aktis Oncology, Inc. (AKTS) Ownership - Who Owns Aktis Oncology, Inc.?

Q: What percentage of Aktis Oncology, Inc. (AKTS) stock is held by retail investors?

According to the latest TipRanks data, approximately 49.06% of Aktis Oncology, Inc. (AKTS) stock is held by retail investors.

Q: Who owns the most shares of Aktis Oncology, Inc. (AKTS)?

MPM BIOVENTURES 2018, L.P. owns the most shares of Aktis Oncology, Inc. (AKTS).

Q: What is the significance of the ownership structure for a publicly traded company?

The ownership structure can impact the company's decision making, as large institutional investors may exert influence on the company's management and can also affect the company's stock price with their buying and selling patterns.

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Aktis Oncology, Inc. (AKTS) Ownership Overview

47.63% Insiders

<0.01% Other Institutional Investors

3.31% ETFs

49.06% Public Companies and

Individual Investors

The ownership structure of Aktis Oncology, Inc. (AKTS) stock is a mix of institutional, retail, and individual investors. , 47.63% is owned by Insiders, and 49.06% is owned by Public Companies and Individual Investors.

The ownership structure of Aktis Oncology, Inc. (AKTS) stock is a mix of institutional, retail, and individual investors. Approximately 3.31% of the company’s stock is owned by Institutional Investors, 47.63% is owned by Insiders, and 49.06% is owned by Public Companies and Individual Investors.

Recent Insider Trading Activity

Date	Name	Activity	Value
Jan 14, 2026	Todd Foley	xxxxxxxxxxxxx	$4191660
Jan 14, 2026	Mpm Bioventures 2018, L.p.	xxxxxxxxxxxxx	$20029986
Jan 14, 2026	Ansbert Gadicke	xxxxxxxxxxxxx	$20029986
Jan 12, 2026	Helen Susan Kim	xxxxxxxxxxxxx	$15030000

Show More Insider Trading Activity >

Top Shareholders

# of Shares	Type	% Holding	Value
10,260,064	Insider	19.21%	190,837,190
10,260,064	Insider	19.21%	190,837,190
4,235,403	Insider	7.93%	78,778,496
935,968	Institution	1.75%	17,409,005
668,702	Institution	1.25%	12,437,857
347,305	Insider	0.65%	6,459,873
157,387	Insider	0.29%	2,927,398
157,387	Insider	0.29%	2,927,398
103,879	Institution	0.19%	1,932,149
29,008	Institution	0.05%	539,549

Top Mutual Fund Holders

Holder	# of Shares	Type	% Holding	Value

Top ETF Holders

Holder	# of Shares	Type	% Holding	Value
Vanguard Total Stock Market ETF	605,835	Institution	1.13%	10,838,388
iShares Russell 2000 ETF	446,232	Institution	0.84%	8,299,915
Vanguard Extended Market ETF	209,811	Institution	0.39%	3,753,519
Vanguard Russell 2000 ETF	101,178	Institution	0.19%	1,810,074
Schwab U.S. Small-Cap ETF	89,963	Institution	0.17%	1,673,312
iShares Russell 2000 Growth ETF	86,527	Institution	0.16%	1,609,402
iShares Russell 2000 Value ETF	80,457	Institution	0.15%	1,496,500
iShares Core S&P Total U.S. Stock Market ETF	47,285	Institution	0.09%	879,501
Schwab U.S. Broad Market ETF	13,916	Institution	0.03%	258,838
Vanguard Russell 2000 Growth ETF	9,888	Institution	0.02%	176,896

FAQ

Who Owns Aktis Oncology, Inc. (AKTS)?

According to the latest TipRanks data, approximately <0.01% of the company's stock is held by institutional investors, 47.63% is held by insiders, and 49.06% is held by retail investors.

What percentage of Aktis Oncology, Inc. (AKTS) stock is held by institutional investors?

According to the latest TipRanks data, approximately <0.01% of Aktis Oncology, Inc. (AKTS) stock is held by institutional investors.

What percentage of Aktis Oncology, Inc. (AKTS) stock is held by retail investors?

According to the latest TipRanks data, approximately 49.06% of Aktis Oncology, Inc. (AKTS) stock is held by retail investors.

Who owns the most shares of Aktis Oncology, Inc. (AKTS)?

MPM BIOVENTURES 2018, L.P. owns the most shares of Aktis Oncology, Inc. (AKTS).

What is the significance of the ownership structure for a publicly traded company?

The ownership structure can impact the company's decision making, as large institutional investors may exert influence on the company's management and can also affect the company's stock price with their buying and selling patterns.