230 tracked 13F filers disclose a position in TNK as of the latest SEC 13F filings, a combined $1.3B 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 | DIMENSIONAL FUND ADVISORS LP | $139.6M | 1.9M | ▲+3.7% Added · +68K sh | Q1 2026 | |
| 2 | FMR LLC | $121.5M | 1.7M | ▲+18% Added · +247K sh | Q1 2026 | |
| 3 | BlackRock, Inc. | $110.9M | 1.5M | ▼−11% Reduced · −186K sh | Q1 2026 | |
| 4 | AMERICAN CENTURY COMPANIES INC | $72.6M | 990K | ▼−2.3% Reduced · −24K sh | Q1 2026 | |
| 5 | MORGAN STANLEY | $45.0M | 614K | ▼−18% Reduced · −138K sh | Q1 2026 | |
| 6 | RENAISSANCE TECHNOLOGIES LLC | $40.9M | 558K | ▲+0.2% Added · +900 sh | Q1 2026 | |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | $31.1M | 479K | ▲+14% Added · +58K sh | Q2 2026 | |
| 8 | Summit Street Capital Management, LLC | $34.5M | 471K | —Held | Q1 2026 | |
| 9 | STATE STREET CORP | $27.1M | 418K | ▲+4.1% Added · +16K sh | Q2 2026 | |
| 10 | Qube Research & Technologies Ltd | $30.0M | 409K | ▲+46% Added · +129K sh | Q1 2026 | |
| 11 | CastleKnight Management LP | $28.6M | 390K | ▼−32% Reduced · −185K sh | Q1 2026 | |
| 12 | JPMORGAN CHASE & CO | $26.0M | 360K | ▼−14% Reduced · −57K sh | Q1 2026 | |
| 13 | AMERIPRISE FINANCIAL INC | $25.8M | 352K | ▼−4.4% Reduced · −16K sh | Q1 2026 | |
| 14 | CITADEL ADVISORS LLC | $21.9M | 337K | ▲+31% Added · +80K sh | Q2 2026 | |
| 15 | FULLER & THALER ASSET MANAGEMENT, INC. | $21.6M | 333K | ▲+3.9% Added · +13K sh | Q2 2026 | |
| 16 | Hartree Partners, LP | $20.9M | 322K | ▲+74% Added · +136K sh | Q2 2026 | |
| 17 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | $21.4M | 292K | ▲+7.8% Added · +21K sh | Q1 2026 | |
| 18 | GOLDMAN SACHS GROUP INC | $19.2M | 261K | ▲+87% Added · +122K sh | Q1 2026 | |
| 19 | NEOS Investment Management LLC | $16.6M | 256K | ▲+41% Added · +75K sh | Q2 2026 | |
| 20 | AQR CAPITAL MANAGEMENT LLC | $17.8M | 242K | ▲+28% Added · +53K sh | Q1 2026 | |
| 21 | Connor, Clark & Lunn Investment Management Ltd. | $15.4M | 237K | ▲+18% Added · +37K sh | Q2 2026 | |
| 22 | FIDEURAM - INTESA SANPAOLO PRIVATE BANKING S.P.A. | $14.8M | 229K | ▲New +229K sh | Q2 2026 | |
| 23 | TUDOR INVESTMENT CORP ET AL | $16.1M | 219K | ▲+94% Added · +106K sh | Q1 2026 | |
| 24 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | $15.9M | 217K | ▲+367% Added · +171K sh | Q1 2026 | |
| 25 | NORTHERN TRUST CORP | $15.1M | 206K | ▲+4.0% Added · +8K 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, 11 funds opened a new position in TNK and 30 added to an existing one, while 20 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 | 120 funds | $190.8B |
| AMAZON.COM INCAMZN | 118 funds | $142.8B |
| NVIDIA CORPNVDA | 117 funds | $276.7B |
| APPLE INCAAPL | 117 funds | $213.9B |
| META PLATFORMS INC-CLASS AMETA | 117 funds | $78.5B |
| ELI LILLY & COLLY | 115 funds | $54.0B |
| JPMORGAN CHASE & COJPM | 115 funds | $42.8B |
| LAM RESEARCH CORPLRCX | 115 funds | $25.1B |
| MICRON TECHNOLOGY INCMU | 114 funds | $27.7B |
| ALPHABET INC-CL AGOOGL | 113 funds | $112.4B |
| VISA INC-CLASS A SHARESV | 112 funds | $42.0B |
| MASTERCARD INC - AMA | 112 funds | $37.0B |
Ranked by how many of TNK's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Aug 18, 2026 | Kapoor Rohit (RK2) | Managing Director, Sinagpore | Sell (S) | 6K | $569K |
| Aug 18, 2026 | Locke Simon Heidi | Director | Sell (S) | 741 | $67K |
| Jun 8, 2026 | Schellenberg David | Director | Sell (S) | 7K | $503K |
Connected entities for TNK
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/TNK/capital-change-brief"
Use Arkolith's capital_change_brief for TNK. 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 TNK. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.