Teekay Tankers

TNK • NYSE

Teekay Tankers is a oil & gas midstream company in the energy sector on NYSE, led by Kevin Mackay, with a market cap of $1.9B. As of Q3 2025, 55% of shares are held by 196 institutional investors, with FMR LLC as the largest holder at 6.11%.

Chief Executive OfficerKevin Mackay

Market Cap$1.9B

Oil & Gas Midstream

Energy

Employees1.6K

Websiteteekay.com

Overview

Overview of institutional ownership in TNK as of Q3 2025 with a market cap of $1.7B

All Institutions

Institutions: 196
Value Held: $965.6M
Shares Held: 19.1M
Avg Position: $4.9M
Median Position: $561.8K

Hedge Funds

Hedge Funds: 27
Value Held: $171.9M
Shares Held: 3.4M
Avg Position: $6.4M
Median Position: $1.9M

Ownership Breakdown

Institutional (non-HF)

45.47%

$793.7M

Hedge Funds

9.85%

$171.9M

Retail & Other

44.68%

$779.9M

Based on market cap of $1.7B as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.

Biggest Investors

Institutions with the largest positions in TNK as of Q3 2025

Institution	Key People	Position Value	Ownership	Owned Since	Total AUM (Long)
FMR LLC Institution	-	$106.6M 0.01% of portfolio	6.11% 2.1M shares	Q1 2022 Held for 3y 8m	$1.92T
DIMENSIONAL FUND ADVISORS LP Long Only Manager	David Paul Butler CEO	$90.9M 0.02% of portfolio	5.21% 1.8M shares	Q1 2014 Held for 11y 8m	$466.32B
B BlackRock, Inc. Institution	-	$86.6M 0.00% of portfolio	4.96% 1.7M shares	Q2 2014 Held for 11y 5m	$5.67T
A AMERICAN CENTURY COMPANIES INC Institution	-	$54.5M 0.03% of portfolio	3.12% 1.1M shares	Q4 2022 Held for 2y 11m	$195.93B
MORGAN STANLEY RIA/Wealth	Jed Finn CEO	$42.4M 0.00% of portfolio	2.43% 838.3K shares	≤ Q2 2013 Held for 12y 5m+	$1.65T
RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant	Peter Fitzhugh Brown CEO	$42.0M 0.06% of portfolio	2.40% 830.1K shares	Q1 2022 Held for 3y 8m	$75.8B
PRINCIPAL FINANCIAL GROUP INC Institution	Deanna Strable CEO	$35.8M 0.02% of portfolio	2.05% 708.7K shares	Q1 2023 Held for 2y 8m	$197.71B
C CastleKnight Management LP Hedge Fund•Event Driven	Aaron Michael Weitman CIO	$32.8M 1.77% of portfolio	1.88% 649.3K shares	Q1 2025 Held for 8 months	$1.9B
AMERIPRISE FINANCIAL INC Institution	Jim Cracchiolo CEO	$31.9M 0.01% of portfolio	1.83% 630.9K shares	≤ Q2 2013 Held for 12y 5m+	$433.11B
Summit Street Capital Management, LLC Hedge Fund•Value	Jennifer A. Wallace Managing Partner	$25.4M 3.48% of portfolio	1.45% 501.8K shares	Q2 2025 Held for 5 months	$729.0M

Net Capital Flow

Institutional buying and selling activity for TNK in Q3 2025

Traded: +$10.3M
Buyers: 89
Sellers: 114
Total Bought: +$127.9M
Total Sold: −$117.6M
Avg Position: $4.3M

Biggest Buyers

Institution	Net Bought	Current Position
FMR LLC Institution	+$36.3M +718.4K shares	$106.6M 2.1M shares
T T. Rowe Price Investment Management, Inc. Insurance Manager	+$19.0M +376.7K shares	$19.0M 376.7K shares
C CastleKnight Management LP Hedge Fund•Event Driven	+$13.4M +264.2K shares	$32.8M 649.3K shares
S Sagil Capital LLP Institution	+$10.8M +214.3K shares	$19.5M 386.1K shares
MORGAN STANLEY RIA/Wealth	+$5.2M +102.6K shares	$42.4M 838.3K shares
Q Qube Research & Technologies Ltd Institution	+$3.9M +77.6K shares	$6.1M 120.1K shares
SHARIAPORTFOLIO, INC. RIA/Wealth	+$3.4M +68.0K shares	$3.4M 68.0K shares
A AMERICAN CENTURY COMPANIES INC Institution	+$3.4M +67.2K shares	$54.5M 1.1M shares
Summit Street Capital Management, LLC Hedge Fund•Value	+$3.2M +63.1K shares	$25.4M 501.8K shares
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	+$2.6M +51.6K shares	$4.3M 84.7K shares

Biggest Sellers

Institution	Net Sold	Current Position
FULLER & THALER ASSET MANAGEMENT, INC. Long Only Manager	−$42.7M −843.9K shares	$16.3M 321.9K shares
H Hartree Partners, LP Institution	−$6.9M −137.5K shares	$20.3M 402.5K shares
VICTORY CAPITAL MANAGEMENT INC Long Only Manager	−$4.2M −83.7K shares	$2.4M 46.6K shares
P Pacer Advisors, Inc. Institution	−$4.2M −83.6K shares	$8.6M 169.7K shares
Trexquant Investment LP Hedge Fund•Quant	−$4.1M −80.7K shares	$2.0M 39.1K shares
Oxbow Advisors, LLC RIA/Wealth	−$4.1M −97.7K shares	Sold Off 0 shares
J JANE STREET GROUP, LLC Institution	−$3.6M −71.8K shares	$2.9M 57.6K shares
JACOBS LEVY EQUITY MANAGEMENT, INC Hedge Fund•Quant	−$3.6M −70.9K shares	$10.9M 215.8K shares
AMERIPRISE FINANCIAL INC Institution	−$3.1M −61.9K shares	$31.9M 630.9K shares
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy	−$2.9M −57.2K shares	$2.4M 48.2K shares

Entry and Exit Activity

Institutions that initiated new positions or completely exited TNK in Q3 2025

New Positions: 11
New Value: $22.5M
Exited Positions: 30
Exited Value: $19.4M

New Positions

Institution	Position Value
T T. Rowe Price Investment Management, Inc. Insurance Manager	$19.0M 376.7K shares
G Greenland Capital Management LP Hedge Fund•Multi-Strategy	$1.0M 20.0K shares
Q Quantedge Capital Pte Ltd Institution	$955.4K 18.9K shares
Forum Financial Management, LP RIA/Wealth	$323.6K 6.4K shares
HPM Partners LLC RIA/Wealth	$319.1K 6.3K shares
Quantinno Capital Management LP Hedge Fund•Market Neutral	$294.0K 5.8K shares
V Vise Technologies, Inc. Institution	$257.4K 5.1K shares
SRS Capital Advisors, Inc. RIA/Wealth	$200.3K 4.0K shares
S State of Alaska, Department of Revenue Institution	$54.6K 1.1K shares
O Optiver Holding B.V. Institution	$10.3K 204.0 shares

Exited Positions

Institution	Previous Position
Oxbow Advisors, LLC RIA/Wealth	$4.1M 97.7K shares
T TWINBEECH CAPITAL LP Hedge Fund•Quant	$2.3M 54.6K shares
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ Long Only Manager	$1.8M 43.9K shares
Engineers Gate Manager LP Hedge Fund•Quant	$1.7M 40.8K shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$1.6M 38.2K shares
BALYASNY ASSET MANAGEMENT LLC Hedge Fund•Multi-Strategy	$1.5M 35.4K shares
C CREDIT INDUSTRIEL ET COMMERCIAL Institution	$889.3K 21.3K shares
A Aventail Capital Group, LP Hedge Fund•Long/Short	$825.7K 19.8K shares
Centiva Capital, LP Hedge Fund•Multi-Strategy	$669.6K 16.1K shares
Gallacher Capital Management LLC RIA/Wealth	$640.7K 15.4K shares

Options Activity

Institutions with the largest Call and Put options positions in TNK as of Q3 2025

Call Positions: 6
Call Value: $26.5M
Put Positions: 6
Put Value: $6.1M

Call Positions

Institution	Position Value
C CastleKnight Management LP Hedge Fund•Event Driven	$15.2M 3.0K contracts
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$6.7M 1.3K contracts
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$1.9M 383.0 contracts
W WOLVERINE TRADING, LLC Institution	$1.8M 345.0 contracts
J JANE STREET GROUP, LLC Institution	$925.1K 183.0 contracts
P PEAK6 LLC Institution	$85.9K 17.0 contracts

Put Positions

Institution	Position Value
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$2.1M 414.0 contracts
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$2.1M 410.0 contracts
P PEAK6 LLC Institution	$1.2M 232.0 contracts
W WOLVERINE TRADING, LLC Institution	$415.2K 81.0 contracts
J JANE STREET GROUP, LLC Institution	$333.6K 66.0 contracts
TUDOR INVESTMENT CORP ET AL Hedge Fund•Multi-Strategy	- - contracts

Most Committed Institutions

Institutions with TNK as the highest % of their portfolio as of Q3 2025

Institution	Key People	Portfolio Weight	Ownership	Owned Since	Total AUM (Long)
S Sagil Capital LLP Institution	-	15.31% $19.5M	1.12% 386.1K shares	Q2 2025 Held for 5 months	$127.5M
H Hartree Partners, LP Institution	-	7.09% $20.3M	1.17% 402.5K shares	Q4 2024 Held for 11 months	$287.0M
Summit Street Capital Management, LLC Hedge Fund•Value	Jennifer A. Wallace Managing Partner	3.48% $25.4M	1.45% 501.8K shares	Q2 2025 Held for 5 months	$729.0M
WEXFORD CAPITAL LP Hedge Fund•Multi-Strategy	Charles Eugene Davidson Chairman	2.70% $8.9M	0.51% 176.6K shares	Q1 2024 Held for 1y 8m	$330.0M
C CastleKnight Management LP Hedge Fund•Event Driven	Aaron Michael Weitman CIO	1.77% $32.8M	1.88% 649.3K shares	Q1 2025 Held for 8 months	$1.9B
Glenorchy Capital Ltd Hedge Fund•Global Macro	Bradley Thomas Mcfadden CIO	1.35% $1.9M	0.11% 36.7K shares	Q4 2023 Held for 1y 11m	$137.8M
SHARIAPORTFOLIO, INC. RIA/Wealth	Aliredha Munir Walji CEO	1.32% $3.4M	0.20% 68.0K shares	Q3 2025 Held for 2 months	$261.3M
DENALI ADVISORS LLC Long Only Manager	Robert Guenther Snigaroff CIO	0.53% $4.7M	0.27% 92.3K shares	Q4 2024 Held for 11 months	$885.1M
Q Quantedge Capital Pte Ltd Institution	-	0.52% $955.4K	0.05% 18.9K shares	Q3 2025 Held for 2 months	$182.7M
B BRIDGEWAY CAPITAL MANAGEMENT INC Long Only Manager	John Noland Ryan Montgomery CEO	0.32% $15.0M	0.86% 297.1K shares	Q2 2019 Held for 6y 5m	$4.7B