268 tracked 13F filers disclose a position in SRRK as of the latest SEC 13F filings, a combined $6.4B 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 | $847.7M | 17.2M | ▲+12% Added · +1.9M sh | Q1 2026 | |
| 2 | Siren, L.L.C. | $526.6M | 9.6M | ▼−12% Reduced · −1.3M sh | Q2 2026 | |
| 3 | Redmile Group, LLC | $445.7M | 9.1M | ▲+74% Added · +3.8M sh | Q1 2026 | |
| 4 | BlackRock, Inc. | $367.2M | 7.5M | ▲+3.5% Added · +252K sh | Q1 2026 | |
| 5 | Samsara BioCapital, LLC | $339.1M | 6.9M | —Held | Q1 2026 | |
| 6 | PRICE T ROWE ASSOCIATES INC /MD/ | $305.1M | 6.2M | ▼−3.0% Reduced · −196K sh | Q1 2026 | |
| 7 | Orbis Allan Gray Ltd | $326.3M | 5.9M | ▲+42% Added · +1.8M sh | Q2 2026 | |
| 8 | STATE STREET CORP | $260.1M | 4.7M | ▲+17% Added · +697K sh | Q2 2026 | |
| 9 | VANGUARD CAPITAL MANAGEMENT LLC | $191.3M | 3.9M | →First observed position No prior filed position | Q1 2026 | |
| 10 | JENNISON ASSOCIATES LLC | $164.2M | 3.3M | ▲+20% Added · +545K sh | Q1 2026 | |
| 11 | GEODE CAPITAL MANAGEMENT, LLC | $151.5M | 2.8M | ▲+28% Added · +605K sh | Q2 2026 | |
| 12 | Bellevue Group AG | $134.7M | 2.4M | ▼−32% Reduced · −1.1M sh | Q2 2026 | |
| 13 | JANUS HENDERSON GROUP PLC | $109.9M | 2.2M | ▲+26% Added · +463K sh | Q1 2026 | |
| 14 | Hood River Capital Management LLC | $122.4M | 2.2M | ▲+8.5% Added · +175K sh | Q2 2026 | |
| 15 | EVENTIDE ASSET MANAGEMENT, LLC | $107.9M | 2.2M | ▼−9.6% Reduced · −234K sh | Q1 2026 | |
| 16 | NORGES BANK | $91.6M | 2.1M | ▲+77% Added · +904K sh | Q4 2025 | |
| 17 | Holocene Advisors, LP | $93.0M | 1.9M | ▲+36% Added · +504K sh | Q1 2026 | |
| 18 | Polar Capital Holdings Plc | $103.3M | 1.9M | ▼−5.3% Reduced · −105K sh | Q2 2026 | |
| 19 | Woodline Partners LP | $73.8M | 1.5M | ▲+24% Added · +289K sh | Q1 2026 | |
| 20 | GOLDMAN SACHS GROUP INC | $68.8M | 1.4M | ▲+5.6% Added · +75K sh | Q1 2026 | |
| 21 | BANK OF AMERICA CORP /DE/ | $65.7M | 1.3M | ▲+27% Added · +286K sh | Q1 2026 | |
| 22 | Vestal Point Capital, LP | $65.1M | 1.3M | ▲+89% Added · +624K sh | Q1 2026 | |
| 23 | Paradigm Biocapital Advisors LP | $60.3M | 1.2M | ▼−60% Reduced · −1.8M sh | Q1 2026 | |
| 24 | MARSHALL WACE, LLP | $52.1M | 1.1M | ▲+188% Added · +692K sh | Q1 2026 | |
| 25 | STEMPOINT CAPITAL LP | $50.9M | 1.0M | ▲+17% Added · +149K 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, 9 funds opened a new position in SRRK and 31 added to an existing one, while 25 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 |
|---|---|---|
| AMAZON.COM INCAMZN | 144 funds | $173.5B |
| ELI LILLY & COLLY | 141 funds | $72.4B |
| NVIDIA CORPNVDA | 140 funds | $351.2B |
| MICROSOFT CORPMSFT | 137 funds | $226.5B |
| META PLATFORMS INC-CLASS AMETA | 136 funds | $101.6B |
| UNITEDHEALTH GROUP INCUNH | 136 funds | $24.0B |
| APPLE INCAAPL | 135 funds | $253.1B |
| ALPHABET INC-CL AGOOGL | 135 funds | $151.1B |
| BROADCOM INCAVGO | 135 funds | $137.1B |
| INTUITIVE SURGICAL INCISRG | 135 funds | $26.1B |
| MERCK & CO. INC.MRK | 133 funds | $24.8B |
| MICRON TECHNOLOGY INCMU | 132 funds | $31.1B |
Ranked by how many of SRRK's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Jul 1, 2026 | Burow Kristina | Director | Sell (S) | 2K | $113K |
| Jul 1, 2026 | Burow Kristina | Director | Sell (S) | 948 | $51K |
| Jul 1, 2026 | FLIER JEFFREY S. | Director | Sell (S) | 2K | $84K |
| Jul 1, 2026 | FLIER JEFFREY S. | Director | Sell (S) | 1K | $80K |
| Jul 1, 2026 | FLIER JEFFREY S. | Director | Sell (S) | 15 | $823 |
| Jul 1, 2026 | Gilman Michael | Director | Sell (S) | 1K | $72K |
| Jul 1, 2026 | Gilman Michael | Director | Sell (S) | 1K | $63K |
| Jul 1, 2026 | Gilman Michael | Director | Sell (S) | 43 | $2K |
| Jul 1, 2026 | Peng Katie | Director | Sell (S) | 3K | $160K |
| Jul 1, 2026 | Peng Katie | Director | Sell (S) | 2K | $132K |
| Jul 1, 2026 | Peng Katie | Director | Sell (S) | 21 | $1K |
| Jul 1, 2026 | Reed Joshua | Director | Sell (S) | 2K | $113K |
Connected entities for SRRK
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/SRRK/capital-change-brief"
Use Arkolith's capital_change_brief for SRRK. 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 SRRK. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.