Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in TNK held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | DIMENSIONAL FUND ADVISORS LP | 1.9M | $139.6M | +3.7% | 5.495% | 0.03% |
| 2 | Mercuria Capital Strategies, LLC | 1.8M | $130.4M | — | 5.135% | 49.85% |
| 3 | FMR LLC | 1.7M | $121.5M | +17.5% | 4.784% | 0.01% |
| 4 | BlackRock, Inc. | 1.5M | $110.9M | -10.9% | 4.365% | 0.00% |
| 5 | AMERICAN CENTURY COMPANIES INC | 990K | $72.6M | -2.3% | 2.858% | 0.04% |
| 6 | MORGAN STANLEY | 614K | $45.0M | -18.3% | 1.773% | 0.00% |
| 7 | RENAISSANCE TECHNOLOGIES LLC | 558K | $40.9M | +0.2% | 1.611% | 0.06% |
| 8 | Summit Street Capital Management, LLC | 471K | $34.5M | 0.0% | 1.360% | 4.88% |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | 421K | $30.9M | +17.4% | 1.216% | 0.00% |
| 10 | Qube Research & Technologies Ltd | 409K | $30.0M | +46.2% | 1.180% | 0.04% |
| 11 | STATE STREET CORP | 401K | $29.4M | +0.4% | 1.159% | 0.00% |
| 12 | UBS Group AG | 392K | $28.7M | -8.5% | 1.131% | 0.00% |
| 13 | CastleKnight Management LP | 390K | $28.6M | — | 1.127% | 2.46% |
| 14 | AMERIPRISE FINANCIAL INC | 352K | $25.8M | -4.4% | 1.017% | 0.01% |
| 15 | FULLER & THALER ASSET MANAGEMENT, INC. | 320K | $23.5M | -0.2% | 0.925% | 0.08% |
| 16 | CITADEL ADVISORS LLC | 319K | $23.4M | +28.6% | 0.920% | 0.01% |
| 17 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 301K | $22.1M | +97.6% | 0.869% | 0.00% |
| 18 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | 292K | $21.4M | +7.8% | 0.844% | 0.43% |
| 19 | GOLDMAN SACHS GROUP INC | 261K | $19.2M | +87.2% | 0.754% | 0.00% |
| 20 | MIZUHO MARKETS AMERICAS LLC | 250K | $18.3M | — | 0.722% | 0.50% |
| 21 | AQR CAPITAL MANAGEMENT LLC | 242K | $17.8M | +28.1% | 0.699% | 0.01% |
| 22 | TUDOR INVESTMENT CORP ET AL | 219K | $16.1M | +94.1% | 0.632% | 0.06% |
| 23 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 217K | $15.9M | +367.2% | 0.628% | 0.01% |
| 24 | NORTHERN TRUST CORP | 206K | $15.1M | +4.1% | 0.594% | 0.00% |
| 25 | Connor, Clark & Lunn Investment Management Ltd. | 200K | $14.7M | +290.5% | 0.578% | 0.03% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in TNK — a direct measure of their conviction.
Filings activity in TNK during Q1 2026, grouped by how each filer changed its position.
7 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 232 | +7.9% | 55.96% | +20.85 pp | $1.46B | +59% |
| Q4 2025 | 215 | +12% | 35.11% | 1.53 pp | $917M | 4.2% |
| Q3 2025 | 192 | 5.0% | 36.64% | +5.79 pp | $957M | +19% |
| Q2 2025 | 202 | +7.4% | 30.85% | +5.16 pp | $806M | +20% |
| Q1 2025 | 188 | 1.1% | 25.69% | 0.10 pp | $671M | 0.4% |
| Q4 2024 | 190 | +900% | 25.79% | +22.19 pp | $674M | +616% |
| Q3 2024 | 19 | — | 3.60% | — | $94M | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying TNK stock.
Based on Q1 2026 13F filings, institutional ownership of Teekay Tankers Ltd. stands at 56.0%, held across 232 reporting institutions.
DIMENSIONAL FUND ADVISORS LP is the largest reported institutional holder of TNK, with approximately 1,903,749 shares worth $0.14B as of Q1 2026.
Yes — 3 widely-followed marquee investors appear among the top 25 institutional holders of TNK, including RENAISSANCE TECHNOLOGIES LLC, CITADEL ADVISORS LLC, SUSQUEHANNA INTERNATIONAL GROUP, LLP.
Our composite Smart Money Score for TNK is 74 out of 100 (Bullish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
52 institutions opened new positions in TNK during Q1 2026, while 35 fully exited. 159 added to existing positions and 18 trimmed.
TNK institutional ownership rose by 20.85 percentage points quarter-over-quarter, with a net change of +17 holders.
The top 10 institutions account for 51.7% of all reported 13F value in TNK, and the top 25 account for 73.6%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Teekay Tankers Ltd. (TNK) Institutional Ownership