Skip to main content
Equibles

TNK

Teekay Tankers Ltd.

Company with tickers: TNK

CIK
1419945
CUSIP
G8726X106
Shares Outstanding
30,017,861
13F Activity (30d)
108 filings 104 filers

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: 239
Total Value: $1,579,947,954
Total Shares: 21,548,665
Showing 1–100 of 246 holdings by value · page 1 of 3

Institutional Ownership Trend

7 quarters

Holder Concentration

Across 239 13F filers · Δ vs Dec 31, 2025
Top Holder
8.8%
Sep 2024 → Mar 2026 · range 8.8% – 76.0%
−3.5 pts
Top 5
36.4%
Sep 2024 → Mar 2026 · range 36.0% – 94.4%
−1.8 pts
Top 10
49.3%
Sep 2024 → Mar 2026 · range 49.3% – 99.5%
−6.5 pts
HHI
359
Sep 2024 → Mar 2026 · range 359 – 5,874
Broadly held−94

Quarterly Activity

vs Dec 31, 2025
New
82
Increased
75
Decreased
55
Sold Out
31
Unchanged
27
Holder count: +51
Institutional value: +196.1%
Shares held: +115.8%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open
Small Mercuria Capital Strategies, LLC +550,662 1,778,956
Large ACADIAN ASSET MANAGEMENT LLC +418,185 706,797
Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP +170,940 217,493
Large NEOS Investment Management LLC +165,321 180,758
Small Oceanic Investment Management LTD +153,767 190,592

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open
Mid CastleKnight Management LP −285,431 390,336
Small FEARNLEY ASSET MANAGEMENT AS −265,800 69,094
Mega UBS Group AG −36,377 391,763
Mid Y-Intercept (Hong Kong) Ltd −32,723 26,454
Mid SYSTEMATIC FINANCIAL MANAGEMENT LP −25,195 189,533

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Mega DIMENSIONAL FUND ADVISORS LP 1,903,749 $139,582,874
Mega FMR LLC 1,657,298 $121,513,088
Mega BlackRock, Inc. 1,512,317 $110,883,078
Mega MORGAN STANLEY 614,297 $45,040,252
Large RENAISSANCE TECHNOLOGIES LLC 558,000 $40,912,560

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Small Sagil Capital LLP 373,640 $19,959,848
Mid MOORE CAPITAL MANAGEMENT, LP 90,000 $4,807,800
Mid Pacer Advisors, Inc. 73,163 $3,908,367
Mid Ruffer LLP 69,863 $3,732,081
Small WEXFORD CAPITAL LP 52,818 $2,821,537
Filter: New 82 Increased 75 Reduced 55 Sold out 31 Unchanged 27
Showing 100 of 246
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
Mega DIMENSIONAL FUND ADVISORS LP $139,582,874 8.83% 1,903,749
Small Mercuria Capital Strategies, LLC $130,433,053 8.26% 1,778,956
Mega FMR LLC $121,513,088 7.69% 1,657,298
Mega BlackRock, Inc. $110,883,078 7.02% 1,512,317
Mega AMERICAN CENTURY COMPANIES INC $72,584,527 4.59% 989,969
Large ACADIAN ASSET MANAGEMENT LLC $51,822,356 3.28% 706,797
Mega MORGAN STANLEY $45,040,252 2.85% 614,297
Large RENAISSANCE TECHNOLOGIES LLC $40,912,560 2.59% 558,000
Small Summit Street Capital Management, LLC $34,544,498 2.19% 471,147
Mega GEODE CAPITAL MANAGEMENT, LLC $30,873,952 1.95% 421,085
Large Qube Research & Technologies Ltd $29,985,093 1.90% 408,962
Mega STATE STREET CORP $29,429,548 1.86% 401,385
Mid CastleKnight Management LP $28,619,435 1.81% 390,336
Mega JPMORGAN CHASE & CO $26,428,997 1.67% 360,461
Mega AMERIPRISE FINANCIAL INC $25,827,481 1.63% 352,257
Large FULLER & THALER ASSET MANAGEMENT, INC. $23,498,693 1.49% 320,495
Mid BRIDGEWAY CAPITAL MANAGEMENT, LLC $21,434,515 1.36% 292,342
Mega UBS Group AG $20,834,977 1.32% 284,165
Mega GOLDMAN SACHS GROUP INC $19,155,581 1.21% 261,260
Mega CITADEL ADVISORS LLC $18,877,626 1.19% 257,469
Mid MIZUHO MARKETS AMERICAS LLC $18,330,000 1.16% 250,000
Mega AQR CAPITAL MANAGEMENT LLC $17,756,633 1.12% 242,180
Large TUDOR INVESTMENT CORP ET AL $16,062,505 1.02% 219,074
Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP $15,946,586 1.01% 217,493
Mega NORTHERN TRUST CORP Bank $15,083,755 0.95% 205,725
Large Connor, Clark & Lunn Investment Management Ltd. $14,679,103 0.93% 200,206
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $14,532,024 0.92% 198,200
Large Empowered Funds, LLC $14,038,725 0.89% 191,472
Small Oceanic Investment Management LTD $13,974,205 0.88% 190,592
Mid SYSTEMATIC FINANCIAL MANAGEMENT LP $13,896,559 0.88% 189,533
Mega VANGUARD PORTFOLIO MANAGEMENT LLC $13,853,960 0.88% 188,952
Small Hartree Partners, LP $13,598,073 0.86% 185,462
Large NEOS Investment Management LLC $13,253,176 0.84% 180,758
Large Point72 Asset Management, L.P. $12,778,502 0.81% 174,284
Mega BANK OF AMERICA CORP /DE/ Bank $12,733,482 0.81% 173,670
Large Balyasny Asset Management L.P. $12,502,453 0.79% 170,519
Large Russell Investments Group, Ltd. $12,231,529 0.77% 166,824
Large Man Group plc $11,785,016 0.75% 160,734
Mega JANE STREET GROUP, LLC $11,518,572 0.73% 157,100
Large JACOBS LEVY EQUITY MANAGEMENT, INC $11,183,426 0.71% 152,529
Mid ROYCE & ASSOCIATES LP $10,659,994 0.67% 145,390
Large HRT FINANCIAL LP $10,655,229 0.67% 145,325
Mega VICTORY CAPITAL MANAGEMENT INC $9,156,568 0.58% 124,885
Large Trexquant Investment LP $8,034,625 0.51% 109,583
Mega UBS Group AG $7,889,085 0.50% 107,598
Large SEI INVESTMENTS CO $7,783,651 0.49% 106,160
Small Quantedge Capital Pte Ltd $7,677,923 0.49% 104,718
Small DENALI ADVISORS LLC $7,382,590 0.47% 100,690
Mega TWO SIGMA INVESTMENTS, LP $7,037,913 0.45% 95,989
Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC $6,636,853 0.42% 90,519
Mega FRANKLIN RESOURCES INC $6,593,372 0.42% 89,926
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $6,488,820 0.41% 88,500
Mid CSM Advisors, LLC $6,189,967 0.39% 84,424
Mega MILLENNIUM MANAGEMENT LLC $6,070,602 0.38% 82,796
Large Squarepoint Ops LLC $6,041,641 0.38% 82,401
Mid BOOTHBAY FUND MANAGEMENT, LLC $5,999,628 0.38% 81,828
Mega Invesco Ltd. $5,237,833 0.33% 71,438
Large MARSHALL WACE, LLP $5,206,086 0.33% 71,005
Small FEARNLEY ASSET MANAGEMENT AS $5,065,972 0.32% 69,094
Mid MARTINGALE ASSET MANAGEMENT L P $4,719,388 0.30% 64,367
Mega Bank of New York Mellon Corp Bank $4,538,433 0.29% 61,899
Mega Nuveen, LLC $4,280,494 0.27% 58,381
Large GREAT LAKES ADVISORS, LLC $4,268,397 0.27% 58,216
Large Hudson Bay Capital Management LP $4,117,577 0.26% 56,159
Large KLP KAPITALFORVALTNING AS $4,032,600 0.26% 55,000
Mid Engineers Gate Manager LP $3,977,023 0.25% 54,242
Mega PRINCIPAL FINANCIAL GROUP INC $3,441,200 0.22% 46,934
Large IEQ CAPITAL, LLC $3,081,712 0.20% 42,031
Mega CITADEL ADVISORS LLC $2,918,136 0.18% 39,800
Mid Linden Thomas Advisory Services, LLC $2,817,467 0.18% 38,427
Large CREDIT AGRICOLE S A $2,773,402 0.18% 37,826
Mid Glenorchy Capital Ltd $2,749,573 0.17% 37,501
Large NEW YORK STATE COMMON RETIREMENT FUND Pension $2,588,342 0.16% 35,302
Mid GSA CAPITAL PARTNERS LLP $2,532,912 0.16% 34,546
Mid XTX Topco Ltd $2,494,273 0.16% 34,019
Small Strategic Global Advisors, LLC $2,458,126 0.16% 33,526
Small SHARIAPORTFOLIO, INC. $2,393,018 0.15% 32,638
Mega RHUMBLINE ADVISERS $2,304,667 0.15% 31,433
Mega LPL Financial LLC $2,139,990 0.14% 29,187
Large LAZARD ASSET MANAGEMENT LLC $2,108,609 0.13% 28,759
Mid Y-Intercept (Hong Kong) Ltd $1,939,607 0.12% 26,454
Large PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO Pension $1,920,984 0.12% 26,200
Mega ALLIANCEBERNSTEIN L.P. $1,805,138 0.11% 24,620
Small Manatuck Hill Partners, LLC $1,759,680 0.11% 24,000
Small Marnell Management LLC $1,727,932 0.11% 23,567
Mega Amundi $1,628,876 0.10% 22,216
Mega CITADEL ADVISORS LLC $1,576,380 0.10% 21,500
Small HUSSMAN STRATEGIC ADVISORS, INC. $1,539,720 0.10% 21,000
Mid SEGALL BRYANT & HAMILL, LLC $1,503,573 0.10% 20,507
Small Kendall Capital Management $1,454,815 0.09% 19,842
Mega DEUTSCHE BANK AG\ Bank $1,448,436 0.09% 19,755
Large O'SHAUGHNESSY ASSET MANAGEMENT, LLC $1,441,251 0.09% 19,657
Large Tidal Investments LLC $1,418,375 0.09% 19,345
Mid Aquatic Capital Management LLC $1,344,395 0.09% 18,336
Large SG Americas Securities, LLC Broker-Dealer $1,338,163 0.08% 18,251
Large Robeco Institutional Asset Management B.V. $1,287,499 0.08% 17,560
Mega PRICE T ROWE ASSOCIATES INC /MD/ $1,275,768 0.08% 17,400
Mid IMC-Chicago, LLC $1,264,183 0.08% 17,242
Mid PRELUDE CAPITAL MANAGEMENT, LLC $1,175,612 0.07% 16,034
Mid Empirical Financial Services, LLC d.b.a. Empirical Wealth Management $1,145,771 0.07% 15,627

Report a Problem

Category
Description
Email (optional, for follow-up)