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Security record · archived quarter

ALKS

Alkermes plc · Healthcare · Drug Manufacturers - Specialty & Generic

49.20 0.0% mkt cap $8.25B quote delayed (FMP) · as of Aug 26 18:08 UTC — separate from filing data below

Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024
11Tracked holders
Δ holders
42.07MShares held
$1.01BReported value
+0New positions
−0Exits
How these are computed → Explain this at the Research Desk →

All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2024

Ownership over time
QuarterHoldersΔSharesReported valueNewExits
Q2 2026 121 +1 123.13M $6.45B +12 −10
Q1 2026 122 -3 122.08M $4.29B +3 −7
Q4 2025 124 +2 142.93M $4.00B +3
Q3 2025 20 -1 95.12M $2.85B −2
Q2 2025 19 +2 84.64M $2.42B +2
Q1 2025 14 0 39.73M $1.31B
Q4 2024 14 0 45.20M $1.30B
Q3 2024 13 +2 43.42M $1.22B +2
Q2 2024 11 42.07M $1.01B
Holder count
Who holds it · Q2 2024
#ManagerSharesΔ sharesValueTheir weightHeld
1 Wellington Management 14.35M $345.95M 0.1% n/c 1 SEC ↗
2 Wellington Management 14.35M $345.95M 0.1% n/c 1 SEC ↗
3 Wellington Management 14.35M $345.95M 0.1% n/c 1 SEC ↗
4 Wellington Management 14.35M $345.95M 0.1% n/c 1 SEC ↗
5 Wellington Management 14.35M $345.95M 0.1% n/c 1 SEC ↗
6 Wellington Management 14.35M $345.95M 0.1% n/c 1 SEC ↗
7 Wellington Management 14.35M $345.95M 0.1% n/c 1 SEC ↗
8 T. Rowe Price 11.01M $265.40M 0.0% n/c 1 SEC ↗
9 T. Rowe Price 11.01M $265.40M 0.0% n/c 1 SEC ↗
10 Renaissance Technologies 5.48M $132.16M 0.2% n/c 1 SEC ↗
11 Geode Capital Management (passive) 3.93M $94.83M 0.0% n/c 1 SEC ↗
12 Geode Capital Management (passive) 3.93M $94.83M 0.0% n/c 1 SEC ↗
13 PRIMECAP Management 3.39M $81.60M 0.1% n/c 1 SEC ↗
14 Norges Bank (passive) 2.13M $51.31M 0.0% n/c 1 SEC ↗
15 AQR Capital Management 803.50K $19.36M 0.0% n/c 1 SEC ↗
16 AQR Capital Management 803.50K $19.36M 0.0% n/c 1 SEC ↗
17 AQR Capital Management 803.50K $19.36M 0.0% n/c 1 SEC ↗
18 D. E. Shaw & Co. 323.14K $7.79M 0.0% n/c 1 SEC ↗
19 D. E. Shaw & Co. 323.14K $7.79M 0.0% n/c 1 SEC ↗
20 Citadel Advisors 322.21K $7.77M 0.0% n/c 1 SEC ↗
21 Fisher Asset Management 242.64K $5.85M 0.0% n/c 1 SEC ↗
22 Two Sigma Investments 78.73K $1.90M 0.0% n/c 1 SEC ↗

“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.

New buyers

No new tracked buyers this quarter.

Exited

No tracked exits this quarter.

Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 384 holders, 171.47M shares, $5.79B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.

Frequently co-owned

What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.

Insider transactions

Open-market purchases (P)

No open-market insider purchases in our coverage window.

Open-market sales (S)

Aug 17 Nichols Christian Todd

Officer · 6.91K sh · $339,967

Aug 17 Nichols Christian Todd

Officer · 664 sh · $32,969

Awards, exercises and tax withholding are never counted as buys or sales here. Methodology

Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR. Reporting period: Q2 2024 · Methodology · Get this via the API