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Alkermes plc
1W: +3.4% 1M: +8.8% 3M: -12.0% YTD: +57.2% 1Y: +47.9% 3Y: +65.8% 5Y: +46.7%
$44.32
-0.12 (-0.27%)
After Hours: $44.88 (+0.55, +1.25%)
Weekly Expected Move ±4.8%
$39 $42 $44 $46 $48
NASDAQ · Healthcare · Drug Manufacturers - Specialty & Generic · Tech Score Strong Buy · Power 73 · $7.5B mcap · 155M float · 1.33% daily turnover · Short 61% of daily vol
Credit Risk of going bust: lower than 62% of companies Debt: 17.4% of company value Bonds: none of note held by US funds details ▾
If the stock fell to about $0.75 (down 98%), Alkermes plc would be worth roughly what it owes.
Total debt $1.57B against a stock market value of $7.46B.
Distance to default 6.43 (Merton model): prices to 2026-10-26, balance sheet 2026-06-30, debt counted $764.8M (short-term plus half of long-term), stock volatility 40.1%; Altman Z'' 1.67. A ranking and a back-test, not a forecast.
US fund filings (SEC N-PORT) show under $25M of this company's bonds, so there is no bond page. Its debt may be bank loans or privately placed. How these are computed.

🏦 Institutional Activity

Latest: Q2 2026
475
Institutions Holding
+40 vs prior
120.5%
Ownership
+40.30%
90 New
141 Increased
187 Reduced
51 Closed

👔 Insider Trades

25 records
Date Name Title Type Shares Price Value Filing
2026-10-08 Reed Joshua officer: svp, chief financial officer F-Tax Withholding 4,069 $40.11 $163K Filing
2026-10-02 Gaffin David Joseph officer: evp, clo, alkermes, inc. S-Sale 2,034 $41.03 $83K Filing
2026-09-03 Gaffin David Joseph officer: evp, clo, alkermes, inc. S-Sale 2,034 $48.01 $98K Filing
2026-09-01 Hopkinson Craig C. officer: evp r&d, chief medical officer S-Sale 9,000 $46.99 $423K Filing
2026-08-17 Nichols Christian Todd officer: svp, chief commercial officer S-Sale 664 $49.65 $33K Filing
2026-08-17 Nichols Christian Todd officer: svp, chief commercial officer S-Sale 6,912 $49.19 $340K Filing
2026-08-03 Gaffin David Joseph officer: evp, clo, alkermes, inc. S-Sale 2,034 $48.58 $99K Filing
2026-08-03 Hopkinson Craig C. officer: evp r&d, chief medical officer S-Sale 9,000 $48.58 $437K Filing
2026-08-03 snyderman nancy lynn MD director S-Sale 44,472 $50.35 $2.2M Filing
2026-07-06 Gaffin David Joseph officer: evp, clo, alkermes, inc. S-Sale 2,034 $54.03 $110K Filing
2026-07-01 Hopkinson Craig C. officer: evp r&d, chief medical officer S-Sale 8,300 $51.46 $427K Filing
2026-07-01 Hopkinson Craig C. officer: evp r&d, chief medical officer S-Sale 700 $52.13 $36K Filing
2026-06-12 Wright Christopher I director S-Sale 2,000 $45.10 $90K Filing
2026-06-04 Gaffin David Joseph officer: evp, clo, alkermes, inc. S-Sale 2,034 $43.05 $88K Filing
2026-06-01 Hopkinson Craig C. officer: evp r&d, chief medical officer S-Sale 9,000 $41.67 $375K Filing
2026-05-29 Parisi Samuel Joseph officer: vp, finance (interim pao) S-Sale 16,217 $42.36 $687K Filing
2026-05-21 snyderman nancy lynn MD director F-Tax Withholding 1,475 $36.95 $55K Filing
2026-05-21 Wright Christopher I director F-Tax Withholding 1,475 $36.95 $55K Filing
2026-05-21 LAURENCIN CATO T director F-Tax Withholding 1,475 $36.95 $55K Filing
2026-05-21 Lurker Nancy director F-Tax Withholding 1,475 $36.95 $55K Filing
2026-05-21 MCKEON BRIAN P director F-Tax Withholding 1,475 $36.95 $55K Filing
2026-05-21 Cooke Shane director F-Tax Withholding 3,207 $36.95 $118K Filing
2026-05-21 GAYNOR RICHARD director F-Tax Withholding 1,475 $36.95 $55K Filing
2026-05-21 Wilson Frank Anders director F-Tax Withholding 1,475 $36.95 $55K Filing
2026-05-04 Gaffin David Joseph officer: evp, clo, alkermes, inc. S-Sale 2,034 $33.20 $68K Filing

🏛️ Congressional Trades

3 records
Date Politician Chamber Type Amount Filing
2026-09-29 Gilbert Cisneros House Buy $1,001 - $15,000 Filing
2026-07-30 Gilbert Cisneros House Buy $15,001 - $50,000 Filing
2026-07-29 Gilbert Ray Cisneros House Buy $15,001 - $50,000 Filing

🏦 Top Institutional Holders

20 holders
Holder Shares Value Date Reported Filing
BlackRock, Inc. 29,235,739 $1.5B +921,329 2026-06-30 Filing
BAKER BROS. ADVISORS LP 10,012,267 $525M — 2026-06-30 Filing
VANGUARD PORTFOLIO MANAGEMENT LLC 9,490,818 $497M -20,294 2026-06-30 Filing
STATE STREET CORP 9,160,575 $480M -304,711 2026-06-30 Filing
VANGUARD CAPITAL MANAGEMENT LLC 7,515,025 $394M +87,628 2026-06-30 Filing
RENAISSANCE TECHNOLOGIES LLC 6,460,928 $339M +300,500 2026-06-30 Filing
GEODE CAPITAL MANAGEMENT, LLC 4,477,876 $235M +295,609 2026-06-30 Filing
DIMENSIONAL FUND ADVISORS LP 4,194,873 $220M -327,505 2026-06-30 Filing
Deep Track Capital, LP 4,000,000 $210M +409,677 2026-06-30 Filing
AMERICAN CENTURY COMPANIES INC 3,954,239 $207M -2,117,864 2026-06-30 Filing
Holocene Advisors, LP 3,601,472 $189M +1,284,146 2026-06-30 Filing
Commodore Capital LP 3,000,000 $157M -1,200,000 2026-06-30 Filing
WELLINGTON MANAGEMENT GROUP LLP 2,814,804 $147M -155,362 2026-06-30 Filing
PRIMECAP MANAGEMENT CO/CA 2,528,680 $132M -11,310 2026-06-30 Filing
FIRST TRUST ADVISORS LP 2,421,016 $127M -547,769 2026-06-30 Filing
Sixth Street Partners Management Company 2,335,117 $122M +2,335,117 2026-06-30 Filing
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 2,335,117 $122M +98,361 2026-06-30 Filing
Nuveen, LLC 2,324,197 $122M -136,372 2026-06-30 Filing
NORGES BANK 2,156,814 $113M +2,156,814 2026-06-30 Filing
BVF INC/IL 2,154,704 $113M +154,704 2026-06-30 Filing

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For informational purposes only. Not investment advice. Data sourced from SEC filings. Privacy Terms