321 tracked 13F filers disclose a position in ALKS as of the latest SEC 13F filings, a combined $5.9B in reported value. Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | $1.0B | 28.3M | ▲+0.1% Added · +42K sh | Q1 2026 | |
| 2 | BAKER BROS. ADVISORS LP | $354.0M | 10.0M | —Held | Q1 2026 | |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | $336.3M | 9.5M | →First observed position No prior filed position | Q1 2026 | |
| 4 | STATE STREET CORP | $334.7M | 9.5M | ▼−0.1% Reduced · −8K sh | Q1 2026 | |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | $262.6M | 7.4M | →First observed position No prior filed position | Q1 2026 | |
| 6 | RENAISSANCE TECHNOLOGIES LLC | $217.8M | 6.2M | ▼−7.6% Reduced · −508K sh | Q1 2026 | |
| 7 | AMERICAN CENTURY COMPANIES INC | $214.7M | 6.1M | ▲+1.9% Added · +115K sh | Q1 2026 | |
| 8 | PRICE T ROWE ASSOCIATES INC /MD/ | $164.9M | 4.7M | ▼−48% Reduced · −4.3M sh | Q1 2026 | |
| 9 | DIMENSIONAL FUND ADVISORS LP | $159.9M | 4.5M | ▲+2.5% Added · +110K sh | Q1 2026 | |
| 10 | Commodore Capital LP | $148.5M | 4.2M | ▲+18% Added · +650K sh | Q1 2026 | |
| 11 | GEODE CAPITAL MANAGEMENT, LLC | $147.9M | 4.2M | ▲+2.5% Added · +101K sh | Q1 2026 | |
| 12 | JPMORGAN CHASE & CO | $123.7M | 4.1M | ▼−21% Reduced · −1.1M sh | Q1 2026 | |
| 13 | Deep Track Capital, LP | $127.0M | 3.6M | ▲+80% Added · +1.6M sh | Q1 2026 | |
| 14 | FIRST TRUST ADVISORS LP | $105.0M | 3.0M | ▲+104% Added · +1.5M sh | Q1 2026 | |
| 15 | PRIMECAP MANAGEMENT CO/CA/ | $89.8M | 2.5M | ▼−0.9% Reduced · −24K sh | Q1 2026 | |
| 16 | Nuveen, LLC | $87.0M | 2.5M | ▲+1.4% Added · +34K sh | Q1 2026 | |
| 17 | Holocene Advisors, LP | $81.9M | 2.3M | ▲New +2.3M sh | Q1 2026 | |
| 18 | CITADEL ADVISORS LLC | $79.3M | 2.2M | ▲+87% Added · +1.0M sh | Q1 2026 | |
| 19 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $79.1M | 2.2M | ▲+3.9% Added · +84K sh | Q1 2026 | |
| 20 | BVF INC/IL | $70.7M | 2.0M | ▲New +2.0M sh | Q1 2026 | |
| 21 | Soleus Capital Management, L.P. | $69.7M | 2.0M | ▲+49% Added · +649K sh | Q1 2026 | |
| 22 | NORGES BANK | $54.4M | 1.9M | ▲+4.4% Added · +82K sh | Q4 2025 | |
| 23 | GOLDMAN SACHS GROUP INC | $66.6M | 1.9M | ▼−17% Reduced · −385K sh | Q1 2026 | |
| 24 | LOOMIS SAYLES & CO L P | $63.1M | 1.8M | ▼−6.2% Reduced · −118K sh | Q1 2026 | |
| 25 | MORGAN STANLEY | $61.4M | 1.7M | ▼−8.1% Reduced · −152K sh | Q1 2026 |
Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.
Last quarter, 10 funds opened a new position in ALKS and 24 added to an existing one, while 24 reduced and 0 exited entirely — based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 159 funds | $243.9B |
| ELI LILLY & COLLY | 159 funds | $80.2B |
| AMAZON.COM INCAMZN | 158 funds | $184.2B |
| NVIDIA CORPNVDA | 157 funds | $367.7B |
| APPLE INCAAPL | 156 funds | $270.4B |
| META PLATFORMS INC-CLASS AMETA | 156 funds | $107.4B |
| BROADCOM INCAVGO | 155 funds | $139.8B |
| ALPHABET INC-CL AGOOGL | 154 funds | $161.5B |
| VISA INC-CLASS A SHARESV | 152 funds | $57.6B |
| MASTERCARD INC - AMA | 151 funds | $48.5B |
| JPMORGAN CHASE & COJPM | 150 funds | $58.8B |
| MERCK & CO. INC.MRK | 150 funds | $26.5B |
Ranked by how many of ALKS's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Aug 3, 2026 | Hopkinson Craig C. | EVP R&D, Chief Medical Officer | Sell (S) | 9K | $437K |
| Aug 3, 2026 | snyderman nancy lynn MD | Director | Sell (S) | 44K | $2.2M |
| Aug 3, 2026 | Gaffin David Joseph | EVP, CLO, Alkermes, Inc. | Sell (S) | 2K | $99K |
| Jul 6, 2026 | Gaffin David Joseph | EVP, CLO, Alkermes, Inc. | Sell (S) | 2K | $110K |
| Jul 1, 2026 | Hopkinson Craig C. | EVP R&D, Chief Medical Officer | Sell (S) | 8K | $427K |
| Jul 1, 2026 | Hopkinson Craig C. | EVP R&D, Chief Medical Officer | Sell (S) | 700 | $36K |
| Jun 12, 2026 | Wright Christopher I | Director | Sell (S) | 2K | $90K |
| Jun 4, 2026 | Gaffin David Joseph | EVP, CLO, Alkermes, Inc. | Sell (S) | 2K | $88K |
| Jun 1, 2026 | Hopkinson Craig C. | EVP R&D, Chief Medical Officer | Sell (S) | 9K | $375K |
| May 29, 2026 | Parisi Samuel Joseph | VP, Finance (Interim PAO) | Sell (S) | 16K | $687K |
| May 4, 2026 | Gaffin David Joseph | EVP, CLO, Alkermes, Inc. | Sell (S) | 2K | $68K |
| May 1, 2026 | Hopkinson Craig C. | EVP R&D, Chief Medical Officer | Sell (S) | 9K | $301K |
| Class | 13F holders | Value held |
|---|---|---|
| ALKSthis pagecs | 321 funds | $5.9B |
| ALKSthis pageCOM | 1 funds | $3.1M |
Same issuer, multiple share classes. The consensus leaderboards count this company once across all classes; this is the per-class detail.
Connected entities for ALKS
This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/ALKS/capital-change-brief"
Use Arkolith's capital_change_brief for ALKS. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for ALKS. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.