13FBOX
ALKERMES PLC · 13F Institutional Holdings
Options Calculator Rankings

ALKERMES PLC

ALKS
Institutions
424
Combined AUM (Q2 2026)
$9.41B
Combined Shares (Q2 2026)
179.7M
Overall Trend
Increase
All institutions combined
📥 Inflow (Q1 2026→Q2 2026)
+22.4M
234 · 93 New Buys · ≈
📤 Outflow (Q1 2026→Q2 2026)
-20.5M
189 · 57 Exit · ≈
⚖️ Net
+1.8M
Net Buy
💰 Net Value
≈ —
est. price
Latest AUM (Q2 2026)
$9.41B
Institutions
424
New Buys
93
Adds
141
Reduces
132
Exits
57
Unchanged
58
Ownership TrendPortfolio %Prev Q %RankQ2 2026 ValueQ2 2026 SharesPrev Q ValuePrev Q SharesShares ChangeAction
BlackRock, Inc.
0.02%0.02%#132$1.53B29.2M$1.00B28.3M+921,329+3.25%Add
BAKER BROS. ADVISORS LP
2.63%2.03%#11$524.6M10.0M$354.0M10.0M00.00%Unchanged
VANGUARD PORTFOLIO MANAGEMENT LLC
0.02%0.02%#133$497.3M9.5M$336.3M9.5M-20,294-0.21%Reduce
STATE STREET CORP
0.01%0.01%#157$480.0M9.2M$334.7M9.5M-304,711-3.22%Reduce
VANGUARD CAPITAL MANAGEMENT LLC
0.01%0.01%#197$393.7M7.5M$262.6M7.4M+87,628+1.18%Add
PRICE T ROWE ASSOCIATES INC /MD/
0.03%0.02%#115$353.0M6.7M$164.9M4.7M+2.1M+44.44%Add
RENAISSANCE TECHNOLOGIES LLC
0.47%0.34%#39$338.5M6.5M$217.8M6.2M+300,500+4.88%Add
GEODE CAPITAL MANAGEMENT, LLC
0.01%0.01%#163$234.7M4.5M$147.9M4.2M+295,609+7.07%Add
DIMENSIONAL FUND ADVISORS LP
0.04%0.03%#106$219.8M4.2M$159.9M4.5M-327,505-7.24%Reduce
Deep Track Capital, LP
3.05%2.07%#8$209.6M4.0M$127.0M3.6M+409,677+11.41%Add
AMERICAN CENTURY COMPANIES INC
0.09%0.11%#72$207.2M4.0M$214.7M6.1M-2.1M-34.88%Reduce
Holocene Advisors, LP
0.47%0.2%#38$207.0M4.0M$81.9M2.3M+1.6M+70.52%Add
Commodore Capital LP
9.36%8.59%#1$157.2M3.0M$148.5M4.2M-1.2M-28.57%Reduce
WELLINGTON MANAGEMENT GROUP LLP
0.03%0.02%#127$147.5M2.8M$105.0M3.0M-155,362-5.23%Reduce
PRIMECAP MANAGEMENT CO/CA/
0.08%0.07%#78$132.5M2.5M$89.8M2.5M-11,310-0.45%Reduce
FIRST TRUST ADVISORS LP
0.07%0.08%#80$126.8M2.4M$105.0M3.0M-547,769-18.45%Reduce
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
0.02%0.01%#147$122.3M2.3M$79.1M2.2M+98,361+4.40%Add
Nuveen, LLC
0.03%0.02%#119$121.8M2.3M$87.0M2.5M-136,372-5.54%Reduce
NORGES BANK
0.01%0.01%#169$113.0M2.2M$63.3M1.9M+240,268+12.54%Add
BVF INC/IL
2.89%2.25%#10$112.9M2.2M$70.7M2.0M+154,704+7.74%Add
GOLDMAN SACHS GROUP INC
0.01%0.01%#187$106.0M2.0M$66.6M1.9M+141,806+7.53%Add
Bain Capital Life Sciences Investors, LLC
6.04%1.95%#2$101.5M1.9M$21.6M610,000+1.3M+217.69%Add
CITADEL ADVISORS LLC
0.01%0.01%#167$99.1M1.9M$82.4M2.3M-439,383-18.85%Reduce
NORTHERN TRUST CORP
0.01%0.01%#170$96.0M1.8M$60.0M1.7M+134,537+7.93%Add
MORGAN STANLEY
<0.01%<0.01%#238$91.8M1.8M$46.5M1.6M+200,383+12.92%Add
RTW INVESTMENTS, LP
0.75%0.59%#29$87.6M1.7M$59.1M1.7M00.00%Unchanged
LOOMIS SAYLES & CO L P
0.1%0.08%#69$83.1M1.6M$63.1M1.8M-199,063-11.15%Reduce
Affinity Asset Advisors, LLC
3.26%2.47%#7$72.0M1.4M$47.7M1.4M+25,000+1.85%Add
ADAGE CAPITAL PARTNERS GP, L.L.C.
0.1%#70$71.7M1.4M$00+1.4MNew Buy
D. E. Shaw & Co., Inc.
0.03%0.02%#117$68.7M1.3M$25.1M710,297+601,734+84.72%Add
DRIEHAUS CAPITAL MANAGEMENT LLC
0.38%0.21%#42$64.9M1.2M$28.0M791,963+446,846+56.42%Add
VANGUARD FIDUCIARY TRUST CO
0.01%0.01%#159$61.7M1.2M$39.9M1.1M+48,709+4.31%Add
FRANKLIN RESOURCES INC
0.01%<0.01%#162$61.3M1.2M$6.5M182,535+987,707+541.11%Add
BNP Paribas Asset Management Holding S.A.
0.06%#88$60.7M1.2M$00+1.2MNew Buy
FMR LLC
<0.01%<0.01%#277$59.4M1.1M$46.8M1.3M-189,337-14.30%Reduce
Bank of New York Mellon Corp
0.01%0.01%#185$57.5M1.1M$36.6M1.0M+60,822+5.87%Add
T. Rowe Price Investment Management, Inc.
0.04%0.02%#110$57.2M1.1M$31.6M894,276+196,671+21.99%Add
TWO SIGMA INVESTMENTS, LP
0.04%0.02%#107$54.4M1.0M$27.6M780,683+257,628+33.00%Add
Soleus Capital Management, L.P.
1.86%2.82%#15$53.9M1.0M$69.7M2.0M-941,612-47.78%Reduce
PRINCIPAL FINANCIAL GROUP INC
0.03%0.02%#128$51.5M983,822$33.9M958,016+25,806+2.69%Add
MARSHALL WACE, LLP
0.04%0.04%#105$50.8M969,954$35.3M999,322-29,368-2.94%Reduce
SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC
0.88%#26$49.8M950,234$00+950,234New Buy
BANK OF AMERICA CORP /DE/
<0.01%<0.01%#267$48.1M918,303$42.8M1.2M-292,548-24.16%Reduce
VICTORY CAPITAL MANAGEMENT INC
0.03%0.01%#124$48.0M916,709$10.9M308,929+607,780+196.74%Add
Pictet Asset Management Holding SA
0.04%0.03%#103$44.0M838,026$30.2M942,184-104,158-11.05%Reduce
Artisan Partners Limited Partnership
0.07%0.06%#83$43.5M831,006$39.3M1.1M-280,735-25.25%Reduce
PANAGORA ASSET MANAGEMENT INC
0.12%0.12%#64$40.1M765,543$33.0M932,942-167,399-17.94%Reduce
Frazier Life Sciences Management, L.P.
0.8%0.64%#28$36.7M700,647$24.8M700,64700.00%Unchanged
PUBLIC SECTOR PENSION INVESTMENT BOARD
0.09%0.07%#71$35.5M677,405$24.0M677,40500.00%Unchanged
FRONTIER CAPITAL MANAGEMENT CO LLC
0.32%#43$34.6M659,562$00+659,562New Buy

🧭 Institutional Sector Flow Heatmap

Net Outflow Net Inflow