ALKERMES PLC (ALKS) is held by 184 institutional investors that disclose positions via SEC 13F filings. The largest disclosed holder is BlackRock, Inc. as of Q1 2026.

Are institutions buying or selling ALKS?

In Q1 2026, 86 institutions opened or increased positions in ALKERMES PLC while 100 reduced or exited — a net selling quarter.

What is the Smart Money Verdict on ALKS?

The Smart Money Verdict combines four independent sources (institutional 13F activity, insider trades, activist filings, and congressional trades) into a single assessment for ALKERMES PLC.

How many hedge funds hold ALKS?

184 institutional investors report holding ALKERMES PLC (ALKS) as of Q1 2026, based on SEC 13F filings.

Is institutional money flowing into ALKS?

As of Q1 2026, tracked institutions in ALKERMES PLC show 86 buyers versus 100 sellers — net outflows.

Are Congress members and hedge funds both buying ALKS?

Yes — in the latest quarter, 1 members of Congress and 86 institutional investors bought ALKERMES PLC. HoldingsIntel cross-checks STOCK Act disclosures against 13F filings to surface these overlaps.

ALKERMES PLC

ALKS·G01767105·US·Common Stock·Healthcare - Drug Manufacturers - Specialty & Generic-13D/G

184

Holders

(18 Elite)

$5.3B

Total Value

46% (186)

Consensus

86 buying - 100 selling

13F: Mar 31, 2026Insider & Congress: Updated regularly

Smart Money Verdict

View all

Held by 184 funds

18 elite

Who's Trading

InsiderPJParisi Samuel JosephSell $687KMay 29, 2026

Activist

T. Rowe Price Associates, Inc.2.8%May 15, 2026

InsiderGJGaffin David JosephSell $68KMay 4, 2026

InsiderHCHopkinson Craig C.Exercise 5K shMay 1, 2026

InsiderHCHopkinson Craig C.Sell $301KMay 1, 2026

ActivistVAVanguard Capital Management5.2%Apr 28, 2026

Congress

Donald J. TrumpBuy $15,001 - $50,000Dec 26, 2025

Congress

Donald J. TrumpSale $1,001 - $15,000Nov 24, 2025

Congress

Donald J. TrumpBuy $1,001 - $15,000Nov 13, 2025

Congress

Donald J. TrumpSale $15,001 - $50,000Oct 23, 2025

View all insider trades View all activist filings View all congressional trades

Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
BlackRock, Inc.	Increased	28.3M(+0.1%)	$1B	0.0%	+80.52%	32
BAKER BROS. ADVISORS LP	Unchanged	10M	$354M	2.0%	+93.65%	0
VPVANGUARD PORTFOLIO MANAGEMENT LLC	New	9.5M	$336.3M	0.0%	+77.88%	43
STATE STREET CORP	Decreased	9.5M(-0.1%)	$334.7M	0.0%	+87.22%	0
VAVANGUARD CAPITAL MANAGEMENT LLC	New	7.4M	$262.6M	0.0%	+77.88%	43
RENAISSANCE TECHNOLOGIES LLC	Decreased	6.2M(-7.6%)	$217.8M	0.3%	+118.98%	0
AMERICAN CENTURY COMPANIES INC	Increased	6.1M(+1.9%)	$214.7M	0.1%	+87.24%	37
PRICE T ROWE ASSOCIATES INC /MD/	Decreased	4.7M(-48.2%)	$164.9M	0.0%	+96.21%	0
DIMENSIONAL FUND ADVISORS LP	Increased	4.5M(+2.5%)	$159.9M	0.0%	+87.02%	31
GEODE CAPITAL MANAGEMENT, LLC	Increased	4.2M(+2.5%)	$147.9M	0.0%	+97.31%	31
JPMORGAN CHASE & CO	Decreased	4.1M(-20.9%)	$123.7M	0.0%	+65.78%	0
WELLINGTON MANAGEMENT GROUP LLP	Decreased	3M(-1.7%)	$105M	0.0%	+87.10%	0
FIRST TRUST ADVISORS LP	Increased	3M(+104.2%)	$105M	0.1%	+84.68%	48
PRIMECAP MANAGEMENT CO/CA/	Decreased	2.5M(-0.9%)	$89.8M	0.1%	+82.31%	0
Nuveen, LLC	Increased	2.5M(+1.4%)	$87M	0.0%	+60.63%	30
Holocene Advisors, LP	New	2.3M	$81.9M	0.2%	+77.88%	49
CITADEL ADVISORS LLC	Increased	2.2M(+87.1%)	$79.3M	0.0%	+80.21%	46
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	Increased	2.2M(+3.9%)	$79.1M	0.0%	+94.83%	31
GOLDMAN SACHS GROUP INC	Decreased	1.9M(-17.0%)	$66.6M	0.0%	+80.59%	0
LOOMIS SAYLES & CO L P	Decreased	1.8M(-6.2%)	$63.1M	0.1%	+84.50%	0