178 tracked 13F filers disclose a position in OLMA as of the latest SEC 13F filings, a combined $1.4B 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 | FMR LLC | $154.9M | 10.4M | ▲+107% Added · +5.4M sh | Q1 2026 | |
| 2 | Paradigm Biocapital Advisors LP | $119.6M | 8.0M | ▲+6.3% Added · +476K sh | Q1 2026 | |
| 3 | Janus Henderson Group Ltd. | $106.0M | 7.1M | ▲+5.9% Added · +398K sh | Q1 2026 | |
| 4 | Bain Capital Life Sciences Investors, LLC | $88.6M | 7.1M | ▼−5.2% Reduced · −388K sh | Q2 2026 | |
| 5 | BlackRock, Inc. | $84.3M | 5.7M | ▲+1.6% Added · +89K sh | Q1 2026 | |
| 6 | BVF INC/IL | $79.0M | 5.3M | —Held | Q1 2026 | |
| 7 | Siren, L.L.C. | $60.8M | 4.9M | ▲+2.1% Added · +100K sh | Q2 2026 | |
| 8 | STATE STREET CORP | $54.0M | 4.3M | ▲+9.6% Added · +378K sh | Q2 2026 | |
| 9 | Cormorant Asset Management, LP | $58.1M | 3.9M | ▲+42% Added · +1.1M sh | Q1 2026 | |
| 10 | Logos Global Management LP | $47.8M | 3.2M | —Held | Q1 2026 | |
| 11 | VANGUARD CAPITAL MANAGEMENT LLC | $46.0M | 3.1M | →First observed position No prior filed position | Q1 2026 | |
| 12 | RA CAPITAL MANAGEMENT, L.P. | $38.8M | 2.6M | —Held | Q1 2026 | |
| 13 | JENNISON ASSOCIATES LLC | $27.2M | 1.8M | ▲+89% Added · +858K sh | Q1 2026 | |
| 14 | GEODE CAPITAL MANAGEMENT, LLC | $22.8M | 1.8M | ▲+18% Added · +275K sh | Q2 2026 | |
| 15 | Defilade Capital Management, L.P. | $22.4M | 1.5M | ▲+22% Added · +270K sh | Q1 2026 | |
| 16 | Woodline Partners LP | $22.1M | 1.5M | ▲~0% Added · +100 sh | Q1 2026 | |
| 17 | Lightspeed Management Company, L.L.C. | $20.2M | 1.4M | ▼−30% Reduced · −576K sh | Q1 2026 | |
| 18 | FRANKLIN RESOURCES INC | $18.2M | 1.2M | ▼−51% Reduced · −1.3M sh | Q1 2026 | |
| 19 | MORGAN STANLEY | $18.1M | 1.2M | ▲+83% Added · +550K sh | Q1 2026 | |
| 20 | PRICE T ROWE ASSOCIATES INC /MD/ | $17.6M | 1.2M | ▲+7.9% Added · +87K sh | Q1 2026 | |
| 21 | TWO SIGMA INVESTMENTS, LP | $17.4M | 1.2M | ▲+197% Added · +776K sh | Q1 2026 | |
| 22 | DIMENSIONAL FUND ADVISORS LP | $16.1M | 1.1M | ▲+13% Added · +124K sh | Q1 2026 | |
| 23 | GOLDMAN SACHS GROUP INC | $15.6M | 1.0M | ▲+28% Added · +228K sh | Q1 2026 | |
| 24 | Duquesne Family Office LLC | $12.3M | 987K | —Held | Q2 2026 | |
| 25 | CITADEL ADVISORS LLC | $13.5M | 905K | ▼−25% Reduced · −295K 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, 6 funds opened a new position in OLMA and 27 added to an existing one, while 23 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 |
|---|---|---|
| ELI LILLY & COLLY | 89 funds | $62.4B |
| AMAZON.COM INCAMZN | 87 funds | $146.4B |
| NVIDIA CORPNVDA | 86 funds | $300.0B |
| MICROSOFT CORPMSFT | 85 funds | $199.0B |
| ALPHABET INC-CL AGOOGL | 84 funds | $123.3B |
| META PLATFORMS INC-CLASS AMETA | 84 funds | $84.5B |
| APPLE INCAAPL | 82 funds | $222.1B |
| VISA INC-CLASS A SHARESV | 82 funds | $46.4B |
| COSTCO WHOLESALE CORPCOST | 82 funds | $30.4B |
| ADVANCED MICRO DEVICESAMD | 82 funds | $24.8B |
| BROADCOM INCAVGO | 81 funds | $120.2B |
| MICRON TECHNOLOGY INCMU | 81 funds | $24.4B |
Ranked by how many of OLMA's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Jul 24, 2026 | Harmon Cyrus | Director | Sell (S) | 13K | $146K |
| Jul 23, 2026 | Harmon Cyrus | Director | Sell (S) | 13K | $145K |
| Mar 4, 2026 | Mitchell Shawnte | CHIEF LEGAL OFFICER | Sell (S) | 233 | $6K |
| Mar 4, 2026 | Mitchell Shawnte | CHIEF LEGAL OFFICER | Sell (S) | 25K | $601K |
| Mar 3, 2026 | Mitchell Shawnte | CHIEF LEGAL OFFICER | Sell (S) | 15K | $345K |
| Jan 20, 2026 | Harmon Cyrus | Director | Sell (S) | 10K | $269K |
| Jan 15, 2026 | Kovacs Shane William Charles | CH. OPERATING & FINANCIAL OFF. | Sell (S) | 100K | $2.9M |
| Jan 14, 2026 | Myles David C. | CH. DISCOV. & NON-CLIN DEV OFF | Sell (S) | 15K | $429K |
| Jan 14, 2026 | Myles David C. | CH. DISCOV. & NON-CLIN DEV OFF | Sell (S) | 35K | $1.0M |
| Jan 14, 2026 | Harmon Cyrus | Director | Sell (S) | 3K | $102K |
| Jan 13, 2026 | Kovacs Shane William Charles | CH. OPERATING & FINANCIAL OFF. | Sell (S) | 4K | $107K |
| Jan 13, 2026 | Myles David C. | CH. DISCOV. & NON-CLIN DEV OFF | Sell (S) | 50K | $1.4M |
Connected entities for OLMA
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/OLMA/capital-change-brief"
Use Arkolith's capital_change_brief for OLMA. 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 OLMA. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.