Among active 13F managers last quarter, 17 opened and 17 added, while 7 reduced; the largest holder to move was Redmile Group, LLC (+24%). Over the last 180 days, 2 insiders sold and 1 insider bought, a net -$342K in open-market trades.
The legs disagree, or only one of them leans.
83 tracked 13F filers disclose a position in STTK as of the latest SEC 13F filings, a combined $395.7M 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 | Shares | Position value | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | T. Rowe Price Investment Management, Inc. | 13.4M | Withheld | ▲+36% Added · +3.6M sh | Q2 2026 | |
| 2 | Redmile Group, LLC | 6.9M | $47.8M | ▲+24% Added · +1.4M sh | Q2 2026 | |
| 3 | Orbimed Advisors LLC | 6.3M | $43.8M | —Held | Q2 2026 | |
| 4 | Prosight Management, LP | 6.0M | $41.3M | ▲+19% Added · +953K sh | Q2 2026 | |
| 5 | Adage Capital Partners GP, L.L.C. | 4.6M | $29.9M | ▼−26% Reduced · −1.7M sh | Q1 2026 | |
| 6 | BlackRock, Inc. | 3.9M | $27.3M | ▲+671% Added · +3.4M sh | Q2 2026 | |
| 7 | Frazier Life Sciences Management, L.P. | 3.8M | $26.0M | ▲New +3.8M sh | Q2 2026 | |
| 8 | Vanguard Capital Management LLC | 3.2M | $22.3M | ▲+41% Added · +931K sh | Q2 2026 | |
| 9 | Price T Rowe Associates Inc | 2.6M | $18.3M | ▲+48% Added · +858K sh | Q2 2026 | |
| 10 | Pinnacle Associates Ltd | 1.9M | $13.0M | ▲+37% Added · +503K sh | Q2 2026 | |
| 11 | Geode Capital Management, LLC | 1.6M | $11.0M | ▲+145% Added · +939K sh | Q2 2026 | |
| 12 | Clark Estates Inc | 1.4M | $9.9M | ▼−3.1% Reduced · −45K sh | Q2 2026 | |
| 13 | Point72 Asset Management, L.P. | 1.2M | $8.1M | ▲+14% Added · +140K sh | Q2 2026 | |
| 14 | Aberdeen Group plc | 1.2M | $7.5M | ▲+118% Added · +628K sh | Q1 2026 | |
| 15 | 683 Capital Management, LLC | 1.2M | $8.0M | ▲+45% Added · +357K sh | Q2 2026 | |
| 16 | State Street Corp | 1.0M | $7.1M | ▲+289% Added · +763K sh | Q2 2026 | |
| 17 | Boxer Capital Management, LLC | 1.0M | $6.9M | ▲New +1.0M sh | Q2 2026 | |
| 18 | Vanguard Portfolio Management LLC | 947K | $6.6M | ▲New +947K sh | Q2 2026 | |
| 19 | Ameriprise Financial Inc | 906K | $5.8M | ▲79× Added · +894K sh | Q1 2026 | |
| 20 | Millennium Management LLC | 764K | $4.9M | ▲+60% Added · +286K sh | Q1 2026 | |
| 21 | Susquehanna International Group, LLP | 716K | $4.6M | ▲+382% Added · +568K sh | Q1 2026 | |
| 22 | Renaissance Technologies LLC | 605K | $3.9M | ▲+77% Added · +264K sh | Q1 2026 | |
| 23 | Marshall Wace, LLP | 581K | $3.7M | ▲+19% Added · +92K sh | Q1 2026 | |
| 24 | Vanguard Fiduciary Trust Co | 463K | $3.2M | ▲+43% Added · +139K sh | Q2 2026 | |
| 25 | S&G Foundation | 436K | $3.0M | —Held | Q2 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. 1 value row is withheld because the reported units disagree with same-security peers; share counts are unchanged.
Last quarter, 17 funds opened a new position in STTK and 17 added to an existing one, while 7 reduced. 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 | Their position there |
|---|---|---|
| Eli Lilly & CoLLY | 38 funds | $23.9B |
| JPMorgan Chase & CoJPM | 38 funds | $17.1B |
| Alphabet Inc-CL AGOOGL | 37 funds | $53.4B |
| Nvidia CorpNVDA | 36 funds | $108.9B |
| Amazon.com IncAMZN | 36 funds | $44.8B |
| Meta Platforms Inc-Class AMETA | 35 funds | $28.3B |
| Visa Inc-Class A SharesV | 35 funds | $16.8B |
| Mastercard Inc - AMA | 35 funds | $15.8B |
| Lam Research CorpLRCX | 35 funds | $14.3B |
| Cisco Systems IncCSCO | 35 funds | $7.4B |
| Chevron CorpCVX | 35 funds | $7.3B |
| Bristol-Myers Squibb CoBMY | 35 funds | $4.0B |
Ranked by how many of STTK's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in STTK.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Jul 2, 2026 | Shukla Abhinav A. | Chief Technical Officer | Sell (S) | 410 | $3K |
| Jul 1, 2026 | Shukla Abhinav A. | Chief Technical Officer | Sell (S) | 100 | $707 |
| Jun 30, 2026 | Shukla Abhinav A. | Chief Technical Officer | Sell (S) | 23K | $165K |
| Jun 30, 2026 | Pandite Arundathy N. | Chief Medical Officer | Sell (S) | 30K | $210K |
| Jun 9, 2026 | Siegall Clay B | Director | Buy (P) | 63K | $250K |
| May 12, 2026 | Pandite Arundathy N. | Chief Medical Officer | Sell (S) | 30K | $198K |
| May 12, 2026 | Shukla Abhinav A. | Chief Technical Officer | Sell (S) | 2K | $14K |
| Aug 25, 2025 | Ashiya Mona | Director | Buy (P) 2 lots, same day | 6.3M | $5.5M |
| Aug 25, 2025 | OrbiMed Capital GP IX LLC | Director | Buy (P) 2 lots, same day | 6.3M | $5.5M |
| Dec 4, 2024 | Green Jeremy | Director, 10% Owner | Buy (P) | 133K | $167K |
| Dec 4, 2024 | Green Jeremy | Director, 10% Owner | Sell (S) | 133K | $167K |
| Oct 7, 2024 | Schreiber Taylor | Chief Executive Officer, Director | Buy (P) | 37K | $44K |
One row per insider, day and transaction code; shares and value are summed across the lots. Every lot is on the full insider page and in the filing.
Where institutional funds (13F), corporate insiders (Form 4) and US House members (STOCK Act) are buying or selling the same name in the same window. Green is buying, red is selling.
Insiders and Congress: last 180 days. Funds: latest 13F, top 100 holders incl. passive
| Source | Buying | Selling | Net |
|---|---|---|---|
13F funds Top 100 holders by value, passive included; the hero counts active managers only | 35 | 13 | – |
Insiders Form 4 open-market | 1 | 2 | -$342K |
US House STOCK Act trades | 0 | 0 | $0 |
Capital Rotation reports where institutional capital disclosed rotating, as of the latest public SEC 13F filings. It is data, not investment advice, a recommendation, or a prediction. Filings lag about 45 days and cover long US equity positions only. Past disclosed flows do not indicate future prices. Do your own research; consult a licensed advisor.
Connected entities for STTK
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/STTK/capital-change-brief"
Use Arkolith's capital_change_brief for STTK. 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 STTK. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.