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TNK · Teekay Tankers Ltd.

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$83.20 -6.83 (-7.59%) At close · Aug 26
Market Cap
$2.89B
Shares
34.68M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 241
Total Value: $1,332,291,582
Total Shares: 20,537,872

Institutional Ownership Trend

8 quarters

Holder Concentration

Across 241 13F filers · Δ vs Mar 31, 2026
Top Holder
9.4%
Sep 2024 → Jun 2026 · range 8.8% – 76.0%
+0.5 pts
Top 5
36.1%
Sep 2024 → Jun 2026 · range 35.8% – 94.4%
−0.2 pts
Top 10
48.3%
Sep 2024 → Jun 2026 · range 48.3% – 99.5%
−0.8 pts
HHI
363
Sep 2024 → Jun 2026 · range 356 – 5,874
Broadly held+7

Quarterly Activity

vs Mar 31, 2026
New
33
Increased
108
Decreased
71
Sold Out
33
Unchanged
29
Holder count: 0
Institutional value: -15.9%
Shares held: -5.0%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 100 of 250
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 1419945 CUSIP G8726X106 13F (30d) 211 filings 210 filers Visit website