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Alkermes plc.

ALKS
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001520262

In the last 90 days, Alkermes plc. insiders filed 0 open-market purchases and 7 sales; 425 institutions reported holding it in 13F filings for Q2 2026, worth $9.32B in total; no superinvestor holds it.

Q2 2026 vs. Q1 2026

How the institutions holding Alkermes plc. changed between Q1 2026 and Q2 2026.

All holders in Q2 2026All holders in Q1 2026

13F holders of ALKS: Q1 2026 compared with Q2 2026
MeasureQ1 2026Of which not filed for Q2 2026Q2 2026Change
Holders3904425+39
Shares176.6M171.5K177.9M+1.49M (+0.8%)
Value$6.22B$6.07M$9.32B+$3.11B (+50.1%)

4 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so the changes leave them out.

New holders (90)

Institutions that held Alkermes plc. at the end of Q2 2026 but not at the end of Q1 2026.

Institutions new to ALKS in Q2 2026
InstitutionSharesValue% of portfolio
Norges Bank2,156,814$113.0M0.01%
Adage Capital Partners GP, L.L.C.1,368,000$71.7M0.10%
Summit Partners Public Asset Management, LLC950,234$49.8M1.29%
Frontier Capital Management Co LLC659,562$34.6M0.32%
Artia Global Partners LP448,964$23.5M4.47%
Millennium Management LLC319,595$16.7M0.01%
GW&K Investment Management, LLC292,387$15.3M0.12%
Standard Life Aberdeen plc193,805$10.2M0.01%
Cinctive Capital Management LP138,603$7.26M0.29%
TD Asset Management Inc118,432$6.21M0.01%
EAM Investors, LLC110,869$5.81M0.52%
Integral Health Asset Management, LLC100,000$5.24M0.21%
Neo Ivy Capital Management95,741$5.02M1.16%
Carrera Capital Advisors90,034$4.72M0.70%
Jupiter Topco LLC67,273$3.52M0.00%
Aquatic Capital Management LLC66,877$3.50M0.12%
Atika Capital Management LLC55,571$2.91M0.29%
Baird Financial Group, Inc.53,267$2.79M0.00%
XTX Topco Ltd50,788$2.66M0.03%
Hennion & Walsh Asset Management, Inc.47,317$2.48M0.07%
Kornitzer Capital Management Inc42,920$2.25M0.05%
Hussman Strategic Advisors, Inc.42,000$2.20M0.51%
Blackstone Group Inc.31,682$1.66M0.01%
Massar Capital Management, LP26,010$1.36M0.47%
Tudor Investment Corp Et Al25,889$1.36M0.01%
Janney Montgomery Scott LLC19,123$1.00M0.00%
Vestmark Advisory Solutions, Inc.15,829$829.4K0.01%
Swiss Life Asset Management Ltd–$777.8K0.00%
Headlands Technologies LLC14,313$749.9K0.08%
Two Sigma Securities, LLC13,694$717.5K0.06%
Caption Management, LLC10,000$524.0K0.02%
Weiss Asset Management LP9,970$522.4K0.01%
Boothbay Fund Management, LLC9,050$474.2K0.01%
Yorktown Management & Research Co Inc8,900$466.3K0.29%
Mitsubishi UFJ Trust & Banking Corp8,618$451.5K0.00%
Abel Hall, LLC8,340$437.0K0.08%
Stifel Financial Corp8,034$420.9K0.00%
Quantbot Technologies LP6,829$357.8K0.01%
Brevan Howard Capital Management LP5,840$306.0K0.00%
Everence Capital Management Inc5,798$304.0K0.02%
Wealth Effects LLC5,700$298.7K0.08%
Vise Technologies, Inc.5,669$297.0K0.00%
Mount Yale Investment Advisors, LLC5,577$292.2K0.01%
Cary Street Partners Financial LLC5,520$289.2K0.01%
EP Wealth Advisors, LLC5,489$287.6K0.00%
Fifth Third Wealth Advisors LLC5,454$285.8K0.01%
CIBC Asset Management Inc5,274$276.3K0.00%
Seeds Investor LLC5,235$274.3K0.03%
Gabelli Funds LLC5,000$262.0K0.00%
FFT Wealth Management LLC5,000$262.0K0.04%
Marble Wealth, LLC4,840$253.6K0.04%
Shelton Capital Management4,793$251.1K0.00%
Concurrent Investment Advisors, LLC4,459$233.6K0.00%
Advisor Resource Council4,230$233.2K0.08%
Sage Rhino Capital LLC4,233$221.8K0.04%
HB Wealth Management, LLC4,208$220.5K0.00%
Storgate, LLC4,116$215.7K0.04%
Procyon Private Wealth Partners, LLC4,111$215.4K0.01%
Atria Investments LLC4,100$214.8K0.00%
Summit Financial, LLC4,052$212.3K0.00%
Bailard, Inc.4,025$210.9K0.00%
Merit Financial Group, LLC3,996$209.4K0.00%
Intrust Bank NA3,830$200.7K0.01%
Harbor Investment Advisory, LLC1,556$81.5K0.01%
Optiver Holding B.V.1,244$65.2K0.00%
Uniplan Investment Counsel, Inc.801$42.0K0.00%
Ameritas Advisory Services, LLC750$39.3K0.00%
Group One Trading, L.P.610$32.0K0.00%
AdvisorNet Financial, Inc317$16.6K0.00%
Valued Wealth Advisors LLC242$12.7K0.00%
Accent Capital Management, LLC240$12.6K0.01%
Sachetta, LLC220$11.5K0.01%
SMA Capital LLC198$10.4K0.00%
Action Point Financial Planning, LLC183$9.48K0.00%
Cary Street Partner Investment Advisory LLC128$6.71K0.00%
Silver Grove Financial Group, Inc.63$3.30K0.00%
Plante Moran Financial Advisors, LLC41$2.15K0.00%
Creative Capital Management Investments LLC37$1.94K0.00%
Global Retirement Partners, LLC31$1.62K0.00%
Noble Wealth Management PBC23$1.21K0.00%
Quarry LP11$5760.00%
Downshift Financial, LLC10$5240.00%
Clearstead Advisors, LLC8$4200.00%
Cedar Mountain Advisors, LLC8$4190.00%
LRI Investments, LLC8$4190.00%
DecisionPoint Financial, LLC4$2070.00%
Stone House Investment Management, LLC3$1570.00%
Maryland Capital Advisors Inc.2$1050.00%
Evolution Advisers, Inc.19$00.00%
Navigoe, LLC5$00.00%

Sold out (51)

Institutions that held Alkermes plc. at the end of Q1 2026 and filed for Q2 2026 without it.

Institutions that sold out of ALKS in Q2 2026
InstitutionShares, Q1 2026Value, Q1 2026
Avoro Capital Advisors LLC1,200,000$42.4M
Logos Global Management LP350,000$12.4M
Engineers Gate Manager LP208,497$7.37M
Hudson Bay Capital Management LP173,626$6.14M
Wedge Capital Management L L P151,234$5.35M
Alps Advisors Inc135,660$4.80M
Assenagon Asset Management S.A.122,127$4.32M
Krensavage Asset Management, LLC107,822$3.81M
Bridgewater Associates, LP83,806$2.96M
HRT Financial LP81,989$2.90M
Schroder Investment Management Group67,458$2.03M
Edgestream Partners, L.P.52,826$1.87M
Zacks Investment Management50,058$1.77M
Great Point Partners LLC50,000$1.77M
Diadema Partners LP50,000$1.77M
ADAR1 Capital Management, LLC46,400$1.64M
Jump Financial, LLC41,446$1.47M
Toroso Investments, LLC41,342$1.46M
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main37,964$1.34M
Perbak Capital Partners LLP31,185$1.10M
Entropy Technologies, LP22,885$809.2K
Farallon Capital Management, L.L.C.20,800$735.5K
DRW Securities, LLC20,180$713.6K
Marex Group plc19,891$703.3K
Catalytic Wealth RIA, LLC16,980$600.4K
Prelude Capital Management, LLC16,928$598.6K
Omers Administration Corp16,516$584.0K
Aviva PLC15,354$542.9K
Sumitomo Mitsui Trust Holdings, Inc.13,900$491.5K
Daiwa Securities Group Inc.13,400$473.8K
Lombard Odier Asset Management (USA) Corp10,232$361.8K
Bleakley Financial Group, LLC10,064$355.9K
GTS Securities LLC8,485$300.0K
Gallacher Capital Management LLC7,677$271.5K
RHS Financial, LLC5,761$203.7K
Walleye Capital LLC5,029$177.8K
ABS Direct Equity Fund LLC4,900$167.4K
Walleye Trading LLC3,395$120.0K
Advisory Services Network, LLC3,009$106.4K
Bayforest Capital Ltd1,441$51.0K
Root Financial Partners, LLC526$18.6K
E Fund Management (Hong Kong) Co., Ltd.503$17.8K
Twin Peaks Wealth Advisors, LLC431$15.2K
MAI Capital Management324$11.5K
Intentional Wealth Strategies, LLC156$5.52K
Cullen/Frost Bankers, Inc.79$2.79K
Picton Mahoney Asset Management42$1.49K
Innovative Asset Advisors Group, LLC32$1.13K
Frazier Financial Advisors, LLC10$354
Vermillion Wealth Management, Inc.7$248
Curio Wealth, LLC3$106

Not filed for Q2 2026 yet (4)

Institutions that held Alkermes plc. at the end of Q1 2026 and haven't filed a 13F for Q2 2026. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding ALKS in Q1 2026 that haven't filed for Q2 2026
InstitutionShares, Q1 2026Value, Q1 2026
Janus Henderson Group PLC154,016$5.45M
CWM, LLC11,225$396.9K
Skopos Labs, Inc.6,261$221.4K
Sunbelt Securities, Inc.1$35