Vault-13

TEEKAY TANKERS LTD TNK

CL A · Common Stock · CUSIP G8726X106 · ISIN BMG8726X1065

205 institutional holders +10 vs Q1 2025
19,016,46019.0m shares reported held*
$793.4mreported value*
35 new 73 added 60 reduced 27 sold out net bought ≈ $60.2m (+1.4m shares)

* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($7.4m this quarter). Holder counts are more reliable. Implied quarter-end price ≈ $41.72. Options: 10 managers hold calls ($19.6m notional), 9 hold puts ($15.5m).

Trends to Q2 2025

Institutional holders

Managers reporting a position, each quarter

0100200300Q3 24: 20Q4 24: 197Q1 25: 195Q2 25: 205205Q3 24Q4 24Q1 25Q2 25
Numbers
QuarterHolders
Q3 202420
Q4 2024197
Q1 2025195
Q2 2025205

Buyers vs sellers

Managers adding to or starting a position, vs cutting or selling out

Bought or addedCut or sold out
2000200Q4 24: 177 bought or addedQ4 24: 8 cut or sold outQ4 24Q1 25: 107 bought or addedQ1 25: 103 cut or sold outQ1 25Q2 25: 108 bought or addedQ2 25: 87 cut or sold outQ2 25
Numbers
QuarterBought or addedCut or sold out
Q4 20241778
Q1 2025107103
Q2 202510887

Calls vs puts

Options held, notional value, last 4 quarters. P/C = puts ÷ calls

CallsPuts
$0$5m$10m$15m$20mQ3 24 calls: $0Q3 24 puts: $0Q3 24P/C —Q4 24 calls: $4.6mQ4 24 puts: $11.7mQ4 24P/C 2.54Q1 25 calls: $17.4mQ1 25 puts: $15.2mQ1 25P/C 0.87Q2 25 calls: $19.6mQ2 25 puts: $15.5mQ2 25P/C 0.79
Numbers
QuarterCallsPutsP/C
Q3 2024$0$0—
Q4 2024$4.6m$11.7m2.54
Q1 2025$17.4m$15.2m0.87
Q2 2025$19.6m$15.5m0.79

Biggest buyers

Hartree Partners, LP New +539,913+539.9k
MORGAN STANLEY Added +455,546+455.5k
Summit Street Capital Management, LLC New +438,649+438.6k
CastleKnight Management LP Added +256,900+256.9k
RENAISSANCE TECHNOLOGIES LLC Added +177,412+177.4k
Sagil Capital LLP New +171,798+171.8k
ROYAL BANK OF CANADA Added +144,976+145.0k
AMERIPRISE FINANCIAL INC Added +136,990+137.0k
Oxbow Advisors, LLC New +97,654+97.7k
FMR LLC Added +71,839+71.8k

Biggest sellers

Encompass Capital Advisors LLC Sold out -449,689-449.7k
Nuveen, LLC Reduced -167,530-167.5k
MILLENNIUM MANAGEMENT LLC Reduced -149,225-149.2k
VOLORIDGE INVESTMENT MANAGEMENT, LLC Sold out -90,069-90.1k
DIMENSIONAL FUND ADVISORS LP Reduced -87,139-87.1k
GOLDMAN SACHS GROUP INC Reduced -81,756-81.8k
Verition Fund Management LLC Reduced -77,387-77.4k
Balyasny Asset Management L.P. Reduced -73,355-73.4k
FULLER & THALER ASSET MANAGEMENT, INC. Reduced -73,127-73.1k
Pacer Advisors, Inc. Reduced -59,883-59.9k

Biggest calls

SUSQUEHANNA INTERNATIONAL GROUP, LLP Added $5.4m129.1k shares
CastleKnight Management LP Added $4.2m100.0k shares
CITADEL ADVISORS LLC Reduced $3.4m80.7k shares
WOLVERINE TRADING, LLC Reduced $2.5m58.2k shares
JANE STREET GROUP, LLC Added $2.3m55.1k shares
IMC-Chicago, LLC Reduced $959.6k23.0k shares
GROUP ONE TRADING LLC Reduced $554.9k13.3k shares
SIMPLEX TRADING, LLC Reduced $279.0k6.7k shares
PEAK6 LLC Added $141.8k3.4k shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. Unchanged $00 shares

Biggest puts

PEAK6 LLC Added $8.7m208.6k shares
CITADEL ADVISORS LLC Added $3.5m82.7k shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP Reduced $1.5m35.6k shares
TUDOR INVESTMENT CORP ET AL Reduced $484.0k11.6k shares
IMC-Chicago, LLC Reduced $458.9k11.0k shares
SIMPLEX TRADING, LLC Reduced $387.0k9.3k shares
WOLVERINE TRADING, LLC Reduced $325.8k7.7k shares
GROUP ONE TRADING LLC Added $175.2k4.2k shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. Unchanged $00 shares

Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.

Major shareholders (over 5%)

Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.

HolderStakeChangeShares Last filed
FMR LLC 13G · institution +0.8 pts · filed 2026-05-06 5.5% +0.8 pts 1.7m≈ $107.5m 2026-05-06

Fell to 5% or below in the last year: BlackRock, Inc. (4.8%, 2026-10-27)

Insider purchases and sales in Q2 2025

Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.

None reported in Q2 2025.

Holders, Q2 2025

#ManagerLocationShares Value% of their portfolioChangeShares change
1 DIMENSIONAL FUND ADVISORS LP 0.02% of their portfolio AUSTIN, TX 1,763,9821.8m $73.6m $73.6m 0.02% Reduced -87.1k -87,139
2 BlackRock, Inc. 0.00% of their portfolio New York, NY 1,749,5951.7m $73.0m $73.0m 0.00% Added +7.1k +7,145
3 FMR LLC 0.00% of their portfolio BOSTON, MA 1,389,9531.4m $58.0m $58.0m 0.00% Added +71.8k +71,839
4 FULLER & THALER ASSET MANAGEMENT, INC. 0.18% of their portfolio SAN MATEO, CA 1,165,7711.2m $48.6m $48.6m 0.18% Reduced -73.1k -73,127
5 AMERICAN CENTURY COMPANIES INC 0.02% of their portfolio KANSAS CITY, MO 1,010,1771.0m $42.1m $42.1m 0.02% Added +70.6k +70,578
6 RENAISSANCE TECHNOLOGIES LLC 0.04% of their portfolio NEW YORK, NY 784,524784.5k $32.7m $32.7m 0.04% Added +177.4k +177,412
7 PRINCIPAL FINANCIAL GROUP INC 0.02% of their portfolio DES MOINES, IA 746,504746.5k $31.1m $31.1m 0.02% Reduced -51.3k -51,264
8 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 735,697735.7k $30.7m $30.7m 0.00% Added +455.5k +455,546
9 AMERIPRISE FINANCIAL INC 0.01% of their portfolio MINNEAPOLIS, MN 692,796692.8k $28.9m $28.9m 0.01% Added +137.0k +136,990
10 Hartree Partners, LP 6.41% of their portfolio NEW YORK, NY 539,913539.9k $22.5m $22.5m 6.41% New
11 Summit Street Capital Management, LLC 3.02% of their portfolio NEW YORK, NY 438,649438.6k $18.3m $18.3m 3.02% New
12 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 422,384422.4k $17.6m $17.6m 0.00% Reduced -20.9k -20,890
13 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 400,148400.1k $16.7m $16.7m 0.00% Added +10.1k +10,065
14 CastleKnight Management LP 1.06% of their portfolio New York, NY 385,100385.1k $16.1m $16.1m 1.06% Added +256.9k +256,900
15 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 361,609361.6k $15.1m $15.1m 0.00% Added +14.1k +14,052
16 BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.31% of their portfolio HOUSTON, TX 310,519310.5k $13.0m $13.0m 0.31% Reduced -41.9k -41,855
17 JACOBS LEVY EQUITY MANAGEMENT, INC 0.05% of their portfolio FLORHAM PARK, NJ 286,730286.7k $12.0m $12.0m 0.05% Added +4.3k +4,255
18 Pacer Advisors, Inc. 0.03% of their portfolio Malvern, PA 253,321253.3k $10.6m $10.6m 0.03% Reduced -59.9k -59,883
19 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 226,381226.4k $9.4m $9.4m 0.00% Reduced -19.3k -19,311
20 VANGUARD GROUP INC 0.00% of their portfolio Valley Forge, PA 214,104214.1k $8.9m $8.9m 0.00% Added +1.7k +1,738
21 SYSTEMATIC FINANCIAL MANAGEMENT LP 0.24% of their portfolio TEANECK, NJ 214,014214.0k $8.9m $8.9m 0.24% Added +3.7k +3,669
22 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 202,421202.4k $8.4m $8.4m 0.00% Added +1.5k +1,538
23 ROYCE & ASSOCIATES LP 0.08% of their portfolio New York, NY 196,883196.9k $8.2m $8.2m 0.08% Reduced -8.8k -8,827
24 WEXFORD CAPITAL LP 2.26% of their portfolio WEST PALM BEACH, FL 193,861193.9k $8.1m $8.1m 2.26% Reduced -4.3k -4,256
25 ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.01% of their portfolio BOSTON, MA 171,928171.9k $7.2m $7.2m 0.01% Added +9.9k +9,858
26 Sagil Capital LLP 3.86% of their portfolio LONDON, X0 171,798171.8k $7.2m $7.2m 3.86% New
27 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 149,358149.4k $6.2m $6.2m 0.00% Added +145.0k +144,976
28 UBS Group AG 0.00% of their portfolio ZURICH, V8 148,496148.5k $6.2m $6.2m 0.00% Added +47.1k +47,070
29 Empowered Funds, LLC 0.07% of their portfolio NEWTOWN SQUARE, PA 143,519143.5k $6.0m $6.0m 0.07% Reduced -41.9k -41,855
30 AQR CAPITAL MANAGEMENT LLC 0.00% of their portfolio Greenwich, CT 136,821136.8k $5.7m $5.7m 0.00% Added +53.2k +53,195
31 VICTORY CAPITAL MANAGEMENT INC 0.00% of their portfolio San Antonio, TX 130,370130.4k $5.4m $5.4m 0.00% Added +15.6k +15,584
32 JANE STREET GROUP, LLC 0.01% of their portfolio NEW YORK, NY 129,357129.4k $5.4m $5.4m 0.01% Added +51.2k +51,176
33 Verition Fund Management LLC 0.03% of their portfolio GREENWICH, CT 129,281129.3k $5.4m $5.4m 0.03% Reduced -77.4k -77,387
34 DENALI ADVISORS LLC 0.54% of their portfolio SAN DIEGO, CA 123,798123.8k $5.2m $5.2m 0.54% Added +38.8k +38,849
35 FRANKLIN RESOURCES INC 0.00% of their portfolio San Mateo, CA 122,728122.7k $5.1m $5.1m 0.00% Added +4.8k +4,830
36 Trexquant Investment LP 0.06% of their portfolio STAMFORD, CT 119,822119.8k $5.0m $5.0m 0.06% Added +64.0k +64,004
37 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 111,202111.2k $4.6m $4.6m 0.00% Reduced -81.8k -81,756
38 MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio NEW YORK, NY 105,416105.4k $4.4m $4.4m 0.00% Reduced -149.2k -149,225
39 ACADIAN ASSET MANAGEMENT LLC 0.01% of their portfolio Boston, MA 104,870104.9k $4.4m $4.4m 0.01% Reduced -22.7k -22,669
40 Russell Investments Group, Ltd. 0.01% of their portfolio Seattle, WA 104,343104.3k $4.4m $4.4m 0.01% Reduced -11.8k -11,841
41 Oxbow Advisors, LLC 0.45% of their portfolio Austin, TX 97,65497.7k $4.1m $4.1m 0.45% New
42 MARSHALL WACE, LLP 0.00% of their portfolio LONDON, X0 96,41796.4k $4.0m $4.0m 0.00% Added +12.2k +12,158
43 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio SAN FRANCISCO, CA 90,28390.3k $3.8m $3.8m 0.00% Added +3.0k +3,042
44 Hudson Bay Capital Management LP 0.02% of their portfolio STAMFORD, CT 72,60772.6k $3.0m $3.0m 0.02% Added +48.3k +48,287
45 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 71,90771.9k $3.0m $3.0m 0.00% Added +31.6k +31,566
46 MARTINGALE ASSET MANAGEMENT L P 0.07% of their portfolio BOSTON, MA 65,13765.1k $2.7m $2.7m 0.07% Added +348 +348
47 SummitTX Capital, L.P. 0.12% of their portfolio FORT WORTH, TX 64,98065.0k $2.7m $2.7m 0.12% New
48 GREAT LAKES ADVISORS, LLC 0.02% of their portfolio CHICAGO, IL 63,68763.7k $2.7m $2.7m 0.02% Added +5.2k +5,249
49 Bank of New York Mellon Corp 0.00% of their portfolio NEW YORK, NY 63,59963.6k $2.7m $2.7m 0.00% Added +1.3k +1,331
50 Nuveen, LLC 0.00% of their portfolio CHARLOTTE, NC 59,85259.9k $2.5m $2.5m 0.00% Reduced -167.5k -167,530
51 Invesco Ltd. 0.00% of their portfolio ATLANTA, GA 56,64456.6k $2.4m $2.4m 0.00% Reduced -4.1k -4,062
52 TWINBEECH CAPITAL LP 0.05% of their portfolio PURCHASE, NY 54,61554.6k $2.3m $2.3m 0.05% New
53 Aquatic Capital Management LLC 0.04% of their portfolio CHICAGO, IL 51,69751.7k $2.2m $2.2m 0.04% New
54 TUDOR INVESTMENT CORP ET AL 0.02% of their portfolio STAMFORD, CT 51,48251.5k $2.1m $2.1m 0.02% New
55 CSM Advisors, LLC 0.06% of their portfolio WARRENDALE, PA 47,56047.6k $2.0m $2.0m 0.06% New
56 Strategic Global Advisors, LLC 0.32% of their portfolio NEWPORT BEACH, CA 47,11947.1k $2.0m $2.0m 0.32% Reduced -2.2k -2,218
57 MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 0.00% of their portfolio Boston, MA 43,88543.9k $1.8m $1.8m 0.00% Added +544 +544
58 Qube Research & Technologies Ltd 0.00% of their portfolio LONDON, X0 42,54842.5k $1.8m $1.8m 0.00% Reduced -37.0k -37,015
59 Engineers Gate Manager LP 0.02% of their portfolio NEW YORK, NY 40,78640.8k $1.7m $1.7m 0.02% New
60 NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio ALBANY, NY 40,30240.3k $1.7m $1.7m 0.00% Added +4.7k +4,700
61 KLP KAPITALFORVALTNING AS 0.01% of their portfolio OSLO, Q8 40,00040.0k $1.7m $1.7m 0.01% Unchanged
62 Glenorchy Capital Ltd 1.20% of their portfolio BOOROLITE, C3 39,21939.2k $1.6m $1.6m 1.20% Reduced -39.4k -39,423
63 SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio BALA CYNWYD, PA 38,17738.2k $1.6m $1.6m 0.00% Reduced -56.5k -56,550
64 RHUMBLINE ADVISERS 0.00% of their portfolio BOSTON, MA 37,51437.5k $1.6m $1.6m 0.00% Reduced -804 -804
65 Balyasny Asset Management L.P. 0.00% of their portfolio Chicago, IL 35,44635.4k $1.5m $1.5m 0.00% Reduced -73.4k -73,355
66 PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO 0.00% of their portfolio COLUMBUS, OH 33,92733.9k $1.4m $1.4m 0.00% Added +99 +99
67 CITADEL ADVISORS LLC 0.00% of their portfolio MIAMI, FL 33,08533.1k $1.4m $1.4m 0.00% Added +12.7k +12,652
68 IEQ CAPITAL, LLC 0.01% of their portfolio Foster City, CA 28,84628.8k $1.2m $1.2m 0.01% Added +15.2k +15,204
69 Dynamic Technology Lab Private Ltd 0.16% of their portfolio SINGAPORE, U0 28,64228.6k $1.2m $1.2m 0.16% Added +19.6k +19,612
70 GSA CAPITAL PARTNERS LLP 0.08% of their portfolio LONDON, X0 26,59026.6k $1.1m $1.1m 0.08% Added +18.9k +18,871
71 Y-Intercept (Hong Kong) Ltd 0.03% of their portfolio HONG KONG, K3 24,69324.7k $1.0m $1.0m 0.03% Added +11.7k +11,675
72 ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio NASHVILLE, TN 24,62024.6k $1.0m $1.0m 0.00% Unchanged
73 TWO SIGMA ADVISERS, LP 0.00% of their portfolio NEW YORK, NY 22,20022.2k $926.2k $926.2k 0.00% Reduced -30.2k -30,232
74 O'SHAUGHNESSY ASSET MANAGEMENT, LLC 0.01% of their portfolio Stamford, CT 21,49921.5k $896.9k $896.9k 0.01% Added +1.3k +1,276
75 CREDIT INDUSTRIEL ET COMMERCIAL 0.14% of their portfolio PARIS FRANCE, I0 21,31721.3k $889.3k $889.3k 0.14% Reduced -6.0k -6,030
76 Kendall Capital Management 0.22% of their portfolio ROCKVILLE, MD 20,21520.2k $843.4k $843.4k 0.22% Added +825 +825
77 Ethic Inc. 0.02% of their portfolio NEW YORK, NY 19,98520.0k $845.6k $845.6k 0.02% Added +5.7k +5,678
78 Aventail Capital Group, LP 0.04% of their portfolio NEW YORK, NY 19,79119.8k $825.7k $825.7k 0.04% Unchanged
79 Linden Thomas Advisory Services, LLC 0.08% of their portfolio Charlotte, NC 17,98918.0k $750.5k $750.5k 0.08% Added +4.0k +3,973
80 ENVESTNET ASSET MANAGEMENT INC 0.00% of their portfolio Berwyn, PA 17,68417.7k $737.8k $737.8k 0.00% Added +7.3k +7,313
81 MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.00% of their portfolio Toronto, A6 17,23317.2k $719.0k $719.0k 0.00% Added +4.8k +4,836
82 INTECH INVESTMENT MANAGEMENT LLC 0.01% of their portfolio WEST PALM BEACH, FL 16,20016.2k $675.9k $675.9k 0.01% Reduced -1.3k -1,294
83 Centiva Capital, LP 0.04% of their portfolio New York, NY 16,05016.1k $669.6k $669.6k 0.04% New
84 RAYMOND JAMES FINANCIAL INC 0.00% of their portfolio ST. PETERSBURG, FL 15,97816.0k $666.6k $666.6k 0.00% Added +366 +366
85 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 15,79515.8k $659.0k $659.0k 0.00% Added +562 +562
86 Gallacher Capital Management LLC 0.30% of their portfolio LONE TREE, CO 15,35715.4k $640.7k $640.7k 0.30% New
87 STRS OHIO 0.00% of their portfolio COLUMBUS, OH 15,20015.2k $634.1k $634.1k 0.00% Reduced -800 -800
88 MetLife Investment Management, LLC 0.00% of their portfolio Whippany, NJ 14,61014.6k $609.5k $609.5k 0.00% Unchanged
89 Summit Global Investments 0.04% of their portfolio BOUNTIFUL, UT 14,50914.5k $605.0k $605.0k 0.04% Reduced -798 -798
90 DEUTSCHE BANK AG\ 0.00% of their portfolio FRANKFURT AM MAIN, 2M 14,48914.5k $604.5k $604.5k 0.00% Reduced -4.1k -4,098
91 WOLVERINE TRADING, LLC 0.02% of their portfolio CHICAGO, IL 14,47414.5k $612.4k $612.4k 0.02% Reduced -15.4k -15,395
92 MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% of their portfolio CAUSEWAY BAY, K3 13,16713.2k $549.3k $549.3k 0.00% Reduced -1.1k -1,096
93 Ancora Advisors LLC 0.01% of their portfolio Cleveland, OH 12,92812.9k $539.4k $539.4k 0.01% Unchanged
94 Unison Advisors LLC 0.06% of their portfolio PROVIDENCE, RI 12,85512.9k $536.3k $536.3k 0.06% Added +84 +84
95 Tidal Investments LLC 0.00% of their portfolio Milwaukee, WI 12,62212.6k $526.6k $526.6k 0.00% Added +1.4k +1,416
96 Boston Partners 0.00% of their portfolio BOSTON, MA 12,21812.2k $509.7k $509.7k 0.00% Reduced -1.5k -1,491
97 HARVEY CAPITAL MANAGEMENT INC 0.12% of their portfolio PALM BEACH, FL 11,98512.0k $501.9k $501.9k 0.12% Added +1.4k +1,400
98 CITIGROUP INC 0.00% of their portfolio NEW YORK, NY 11,80911.8k $492.7k $492.7k 0.00% Reduced -9.2k -9,184
99 PRUDENTIAL FINANCIAL INC 0.00% of their portfolio NEWARK, NJ 11,76511.8k $490.8k $490.8k 0.00% Added +1.0k +1,035
100 PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio BALTIMORE, MD 11,75811.8k $491.0k $491.0k 0.00% Added +1.2k +1,245