ALKERMES PLC

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

ALKS (ALKERMES PLC) is held by 188 institutional investors as of Q2 2026. Largest holders: BlackRock, Inc. ($1.5B), BAKER BROS. ADVISORS LP ($524.6M), VANGUARD PORTFOLIO MANAGEMENT LLC ($497.3M). Net institutional sentiment: Mixed.

188

Holders

(16 Elite)

$8B

Total Value

51% (201)

Consensus

102 buying - 99 selling

13F: Jun 30, 2026Insider & Congress: Updated regularly

Smart Money Verdict

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Institutional (13F)65

Insider (Form 4)38

Activist (13D/13G)52

Congressional (STOCK Act)61

Holder Quality

54

★★★★★

Elite

24

★★★★

Strong

62

★★★

Solid

20

★★

Below

57

★

Weak

Held by 188 funds

16 elite

Who's Trading

Source dates: Price Oct 14, 2026 · Insiders Oct 9, 2026 · Activists May 15, 2026 · Congress none

InsiderRJReed JoshuaTax 4K shOct 8, 2026

InsiderRJReed JoshuaExercise 9K shOct 8, 2026

InsiderGJGaffin David JosephSell $83KOct 2, 2026

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Top Holders

Top Holders (188)History

AllNewIncreasedHeldDecreasedExitedFirst report

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Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
BlackRock, Inc.	Increased	29.2M(+3.3%)	$1.5B	0.0%	+32.43%	33
BAKER BROS. ADVISORS LP	Unchanged	10M	$524.6M	2.6%	+44.89%	0
VPVANGUARD PORTFOLIO MANAGEMENT LLC	Decreased	9.5M(-0.2%)	$497.3M	0.0%	+10.52%	0
STATE STREET CORP	Decreased	9.2M(-3.2%)	$480M	0.0%	+61.00%	0
VAVANGUARD CAPITAL MANAGEMENT LLC	Increased	7.5M(+1.2%)	$393.7M	0.0%	+9.90%	31
PRICE T ROWE ASSOCIATES INC /MD/	Increased	6.7M(+44.4%)	$353M	0.0%	+14.98%	42
RENAISSANCE TECHNOLOGIES LLC	Increased	6.5M(+4.9%)	$338.5M	0.5%	+56.96%	39
GEODE CAPITAL MANAGEMENT, LLC	Increased	4.5M(+7.1%)	$234.7M	0.0%	+37.09%	33
DIMENSIONAL FUND ADVISORS LP	Decreased	4.2M(-7.2%)	$219.8M	0.0%	+54.52%	0
AMERICAN CENTURY COMPANIES INC	Decreased	4M(-34.9%)	$207.2M	0.1%	+40.88%	0
Holocene Advisors, LP	Increased	3.6M(+55.4%)	$188.7M	0.4%	-5.69%	52
WELLINGTON MANAGEMENT GROUP LLP	Decreased	2.8M(-5.2%)	$147.5M	0.0%	+41.60%	0
PRIMECAP MANAGEMENT CO/CA/	Decreased	2.5M(-0.5%)	$132.5M	0.1%	+37.17%	0
FIRST TRUST ADVISORS LP	Decreased	2.4M(-18.4%)	$126.8M	0.1%	+24.33%	0
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	Increased	2.3M(+4.4%)	$122.3M	0.0%	+40.87%	31
Nuveen, LLC	Decreased	2.3M(-5.5%)	$121.8M	0.0%	+20.89%	0
GOLDMAN SACHS GROUP INC	Increased	2M(+7.5%)	$106M	0.0%	+26.78%	32
NORTHERN TRUST CORP	Increased	1.8M(+7.9%)	$96M	0.0%	+29.17%	32
MORGAN STANLEY	Increased	1.8M(+0.9%)	$91.8M	0.0%	+46.88%	30
RTW INVESTMENTS, LP	Unchanged	1.7M	$87.6M	0.7%	+43.38%	0

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High Conviction Moves-Smart Money Convergence-Fund Consensus-Double-Down Detection

Data sourced from four public-disclosure sources: SEC 13F, Form 4, 13D/13G, and House/Senate STOCK Act disclosures. Not financial advice. Full disclaimer