Alkermes (ALKS) Ownership - Who Owns Alkermes?

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Alkermes (ALKS) Ownership Overview

1.43% Insiders

25.88% Mutual Funds

29.61% Other Institutional Investors

32.37% ETFs

10.71% Public Companies and

Individual Investors

The ownership structure of Alkermes (ALKS) stock is a mix of institutional, retail, and individual investors. Approximately 87.86% of the company’s stock is owned by Institutional Investors, 1.43% is owned by Insiders, and 10.71% is owned by Public Companies and Individual Investors.

The ownership structure of Alkermes (ALKS) stock is a mix of institutional, retail, and individual investors. Approximately 55.49% of the company’s stock is owned by Institutional Investors, 1.43% is owned by Insiders, and 32.37% is owned by Public Companies and Individual Investors.

Recent Insider Trading Activity

Date	Name	Activity	Value
May 29, 2026	Samuel Joseph Parisi	xxxxxxxxxxxxx	$686952

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Recent Hedge Fund Trading Activity

Date	Firm	Activity	Value
Mar 31, 2024	Bridgewater Associates, Lp	xxxxxxxxxxxxx	$2963380
Mar 31, 2024	Moore Capital Management Lp	xxxxxxxxxxxxx	$5604525
Mar 31, 2024	Primecap Management Co	xxxxxxxxxxxxx	$89814046
Mar 31, 2024	Fisher Asset Management Llc	xxxxxxxxxxxxx	$13807337

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Top Shareholders

Holder	# of Shares	Type	% Holding	Value
	19,628,140	Institution	11.78%	860,497,658
	15,462,809	Institution	9.28%	677,889,547
	13,113,275	Institution	7.87%	574,885,976
Felix Baker	10,012,267	Institution	6.01%	438,937,785
	6,214,930	Institution	3.73%	272,462,531
	3,244,939	Institution	1.95%	142,258,126
	2,645,276	Institution	1.59%	115,968,900
Theofanis Kolokotrones	2,539,990	Institution	1.52%	111,353,162
	2,442,289	Institution	1.47%	107,069,950
	1,989,274	Institution	1.19%	87,209,772

Top Mutual Fund Holders

# of Shares	Type	% Holding	Value
13,113,275	Institution	7.87%	574,885,976
2,645,276	Institution	1.59%	115,968,900
1,989,274	Institution	1.19%	87,209,772
1,840,970	Institution	1.10%	80,708,125
1,806,580	Institution	1.08%	79,200,467
1,776,566	Institution	1.07%	77,884,653
1,747,639	Institution	1.05%	76,616,494
1,735,019	Institution	1.04%	76,063,233
1,075,769	Institution	0.65%	47,161,713
1,039,670	Institution	0.62%	45,579,133

Top ETF Holders

Holder	# of Shares	Type	% Holding	Value
iShares Core S&P Small Cap ETF	9,996,204	Institution	6.00%	438,233,583
Vanguard Total Stock Market ETF	5,295,627	Institution	3.18%	178,515,586
Vanguard Small-Cap ETF	3,840,214	Institution	2.30%	129,453,614
iShares Russell 2000 ETF	3,792,494	Institution	2.28%	166,262,937
SPDR S&P BIOTECH ETF	3,376,848	Institution	2.03%	148,041,016
Avantis U.S. Small Cap Value ETF	3,103,905	Institution	1.86%	137,471,952
First Trust NYSE Arca Biotechnology Index Fund	2,315,561	Institution	1.39%	101,514,194
Vanguard Small-Cap Growth ETF	2,154,278	Institution	1.29%	72,620,711
Vanguard Extended Market ETF	1,863,805	Institution	1.12%	62,828,867
SPDR Portfolio S&P 600 Small Cap ETF	1,507,232	Institution	0.90%	66,755,305

FAQ

Who Owns Alkermes plc (ALKS)?

According to the latest TipRanks data, approximately 29.61% of the company's stock is held by institutional investors, 1.43% is held by insiders, and 10.71% is held by retail investors.

What percentage of Alkermes plc (ALKS) stock is held by institutional investors?

According to the latest TipRanks data, approximately 29.61% of Alkermes plc (ALKS) stock is held by institutional investors.

What percentage of Alkermes plc (ALKS) stock is held by retail investors?

According to the latest TipRanks data, approximately 10.71% of Alkermes plc (ALKS) stock is held by retail investors.

Who owns the most shares of Alkermes plc (ALKS)?

iShares owns the most shares of Alkermes plc (ALKS).

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.