Phillips 66

PSX • NYSE

Phillips 66 is a oil & gas refining & marketing company in the energy sector on NYSE, led by Mark E. Lashier, with a market cap of $56.2B. As of Q3 2025, 76% of shares are held by 1,777 institutional investors, with VANGUARD GROUP INC as the largest holder at 12.8%.

Chairman of the BoardMark E. Lashier

Market Cap$56.2B

Oil & Gas Refining & Marketing

Energy

Employees14.0K

Websitephillips66.com

Country

United States of America

Overview

Overview of institutional ownership in PSX as of Q3 2025 with a market cap of $55.0B

All Institutions

Institutions: 1,777
Value Held: $41.5B
Shares Held: 305.3M
Avg Position: $23.4M
Median Position: $625.0K

Hedge Funds

Hedge Funds: 70
Value Held: $4.0B
Shares Held: 29.2M
Avg Position: $56.7M
Median Position: $1.5M

Ownership Breakdown

Institutional (non-HF)

68.32%

$37.6B

Hedge Funds

7.22%

$4.0B

Retail & Other

24.47%

$13.4B

Based on market cap of $55.0B as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.

Biggest Investors

Institutions with the largest positions in PSX as of Q3 2025

Institution	Key People	Position Value	Ownership	Owned Since	Total AUM (Long)
VANGUARD GROUP INC Institution	Salim Ramji CEO	$7.0B 0.11% of portfolio	12.80% 51.7M shares	≤ Q2 2013 Held for 12y 5m+	$6.69T
B BlackRock, Inc. Institution	-	$4.1B 0.07% of portfolio	7.48% 30.2M shares	≤ Q2 2013 Held for 12y 5m+	$5.67T
STATE STREET CORP Institution	Ronald P. O'Hanley CEO	$3.2B 0.11% of portfolio	5.79% 23.4M shares	≤ Q2 2013 Held for 12y 5m+	$2.88T
Elliott Investment Management L.P. Hedge Fund•Multi-Strategy	Jonathan D Pollock CEO	$2.6B 19.20% of portfolio	4.76% 19.3M shares	Q2 2023 Held for 2y 5m	$13.6B
WELLS FARGO & COMPANY/MN Institution	Charles W. Scharf CEO	$2.1B 0.42% of portfolio	3.74% 15.1M shares	Q3 2018 Held for 7y 2m	$488.61B
HARRIS ASSOCIATES L P Long Only Manager	David Gregory Herro Chairman	$1.9B 2.97% of portfolio	3.38% 13.6M shares	Q3 2023 Held for 2y 2m	$62.4B
GEODE CAPITAL MANAGEMENT LLC ETF Provider	David Kenneth Lane CEO	$1.4B 0.09% of portfolio	2.57% 10.4M shares	≤ Q2 2013 Held for 12y 5m+	$1.57T
Bank of New York Mellon Corp Institution	Robin Vince CEO	$1.2B 0.21% of portfolio	2.11% 8.5M shares	≤ Q2 2013 Held for 12y 5m+	$556.34B
MORGAN STANLEY RIA/Wealth	Jed Finn CEO	$939.5M 0.06% of portfolio	1.71% 6.9M shares	≤ Q2 2013 Held for 12y 5m+	$1.65T
PRICE T ROWE ASSOCIATES INC /MD/ Long Only Manager	Robert W Sharps President	$741.3M 0.08% of portfolio	1.35% 5.4M shares	≤ Q2 2013 Held for 12y 5m+	$912.31B

Net Capital Flow

Institutional buying and selling activity for PSX in Q3 2025

Net Flow: −$572.0M
Buyers: 661
Sellers: 726
Total Bought: +$2.1B
Total Sold: −$2.6B
Avg Position: $24.0M

Biggest Buyers

Institution	Net Bought	Current Position
VANGUARD GROUP INC Institution	+$728.6M +5.4M shares	$7.0B 51.7M shares
AQR CAPITAL MANAGEMENT LLC Hedge Fund•Multi-Strategy	+$208.4M +1.5M shares	$257.5M 1.9M shares
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	+$172.8M +1.3M shares	$189.1M 1.4M shares
LOS ANGELES CAPITAL MANAGEMENT & EQUITY RESEARCH INC Long Only Manager	+$82.1M +603.7K shares	$95.5M 702.3K shares
SCHWAB CHARLES INVESTMENT MANAGEMENT INC Long Only Manager	+$79.7M +586.1K shares	$524.3M 3.9M shares
WORLDQUANT MILLENNIUM QUANTITATIVE STRATEGIES LLC Hedge Fund•Multi-Strategy	+$44.3M +325.9K shares	$167.4M 1.2M shares
O OSSIAM Institution	+$43.3M +318.4K shares	$43.3M 318.4K shares
Holocene Advisors, LP Hedge Fund•Long/Short	+$39.1M +287.4K shares	$135.9M 999.0K shares
ACADIAN ASSET MANAGEMENT LLC Long Only Manager	+$34.6M +254.2K shares	$34.6M 254.2K shares
R ROYAL BANK OF CANADA Institution	+$34.5M +253.3K shares	$174.3M 1.3M shares

Biggest Sellers

Institution	Net Sold	Current Position
PRICE T ROWE ASSOCIATES INC /MD/ Long Only Manager	−$479.6M −3.5M shares	$741.3M 5.4M shares
P Pacer Advisors, Inc. Institution	−$249.2M −1.8M shares	$6.2M 45.8K shares
B BlackRock, Inc. Institution	−$225.9M −1.7M shares	$4.1B 30.2M shares
STATE STREET CORP Institution	−$123.0M −904.5K shares	$3.2B 23.4M shares
Bank of New York Mellon Corp Institution	−$119.7M −880.4K shares	$1.2B 8.5M shares
JPMORGAN CHASE & CO Institution	−$103.3M −759.7K shares	$253.0M 1.9M shares
Invesco Ltd. ETF Provider	−$88.2M −648.7K shares	$551.7M 4.1M shares
L LSV ASSET MANAGEMENT Long Only Manager	−$78.9M −579.9K shares	$114.9M 844.7K shares
UBS GLOBAL ASSET MANAGEMENT AMERICAS INC Long Only Manager	−$72.9M −536.0K shares	$330.4M 2.4M shares
Kingstone Capital Partners Texas, LLC RIA/Wealth	−$72.9M −611.0K shares	Sold Off 0 shares

Entry and Exit Activity

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

New Positions: 60
New Value: $21.1M
Exited Positions: 106
Exited Value: $191.9M

New Positions

Institution	Position Value
C CAXTON ASSOCIATES LLP Institution	$3.3M 24.1K shares
M MONETTA FINANCIAL SERVICES INC Institution	$1.4M 10.1K shares
VIRTUE ASSET MANAGEMENT LLC RIA/Wealth	$1.2M 9.1K shares
BTG Pactual Asset Management US LLC Hedge Fund•Multi-Strategy	$1.2M 9.0K shares
V VCI Wealth Management LLC Institution	$955.8K 7.0K shares
T TEMA ETFS LLC Institution	$940.0K 6.9K shares
Atom Investors LP Hedge Fund•Market Neutral	$867.4K 6.4K shares
Caerus Investment Advisors, LLC Venture Capital	$752.7K 5.5K shares
V Volterra Technologies LP Hedge Fund•Quant	$706.1K 5.2K shares
E EntryPoint Capital, LLC Hedge Fund•Long/Short	$625.0K 4.6K shares

Exited Positions

Institution	Previous Position
Kingstone Capital Partners Texas, LLC RIA/Wealth	$72.9M 611.0K shares
S SIR Capital Management, L.P. Hedge Fund•Long/Short	$14.4M 120.8K shares
S Steamboat Capital Partners, LLC Hedge Fund•Long/Short	$11.7M 97.7K shares
A AXA Institution	$8.3M 69.7K shares
VOLORIDGE INVESTMENT MANAGEMENT, LLC Hedge Fund•Multi-Strategy	$8.3M 69.2K shares
E Entropy Technologies, LP Hedge Fund•Quant Macro	$7.2M 60.8K shares
T TEXAS PERMANENT SCHOOL FUND Institution	$6.6M 55.0K shares
HITE Hedge Asset Management LLC Hedge Fund•Long/Short	$4.7M 39.4K shares
S Sienna Gestion Institution	$4.5M 41.2K shares
N NATIXIS Institution	$3.7M 31.4K shares

Options Activity

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

Call Positions: 38
Call Value: $447.3M
Put Positions: 44
Put Value: $383.0M

Call Positions

Institution	Position Value
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$142.2M 10.5K contracts
J JANE STREET GROUP, LLC Institution	$70.2M 5.2K contracts
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$65.5M 4.8K contracts
T Twin Tree Management, LP Hedge Fund•Vol Arbitrage	$26.4M 1.9K contracts
W WOLVERINE TRADING, LLC Institution	$25.4M 1.8K contracts
Walleye Trading LLC RIA/Wealth	$16.5M 1.2K contracts
GOLDMAN SACHS GROUP INC Institution	$13.1M 962.0 contracts
TUDOR INVESTMENT CORP ET AL Hedge Fund•Multi-Strategy	$11.0M 807.0 contracts
UBS Group AG Institution	$10.9M 799.0 contracts
CITIGROUP INC Institution	$7.5M 550.0 contracts

Put Positions

Institution	Position Value
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$111.9M 8.2K contracts
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$56.1M 4.1K contracts
J JANE STREET GROUP, LLC Institution	$32.2M 2.4K contracts
BARCLAYS PLC Institution	$24.5M 1.8K contracts
Walleye Trading LLC RIA/Wealth	$20.3M 1.5K contracts
W WOLVERINE TRADING, LLC Institution	$19.1M 1.4K contracts
B BNP PARIBAS ARBITRAGE, SA Institution	$14.0M 10.3 contracts
CITIGROUP INC Institution	$13.3M 975.0 contracts
UBS Group AG Institution	$11.8M 868.0 contracts
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy	$11.0M 810.0 contracts

Most Committed Institutions

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

Institution	Key People	Portfolio Weight	Ownership	Owned Since	Total AUM (Long)
Elliott Investment Management L.P. Hedge Fund•Multi-Strategy	Jonathan D Pollock CEO	19.20% $2.6B	4.76% 19.3M shares	Q2 2023 Held for 2y 5m	$13.6B
Advisory Resource Group RIA/Wealth	Christopher Grant Brown CCO	6.23% $32.6M	0.06% 239.5K shares	Q4 2018 Held for 6y 11m	$523.1M
Recurrent Investment Advisors LLC Long Only Manager	Mark Jason Laskin Managing Partner	4.84% $63.2M	0.11% 464.5K shares	Q4 2019 Held for 5y 11m	$1.3B
F&V Capital Management, LLC RIA/Wealth	Karin Maria Mueller-Paris Partner	4.20% $18.6M	0.03% 136.5K shares	Q1 2022 Held for 3y 8m	$442.0M
T TORRAY LLC Long Only Manager	Don Lynn Ray Managing Partner	4.06% $28.4M	0.05% 208.9K shares	Q2 2016 Held for 9y 5m	$699.5M
L LAWSON KROEKER INVESTMENT MANAGEMENT INC/NE RIA/Wealth	Thomas Joseph Sudyka Director	3.85% $20.4M	0.04% 149.6K shares	≤ Q2 2013 Held for 12y 5m+	$528.2M
E Eldred Rock Partners, LLC Long Only Manager	Stefan Friederich Grater Managing Partner	3.43% $13.7M	0.03% 101.1K shares	Q4 2023 Held for 1y 11m	$401.0M
P PETROLEUM & RESOURCES CORP Institution	-	3.29% $21.7M	0.04% 159.5K shares	≤ Q2 2013 Held for 12y 5m+	$659.1M
HARRIS ASSOCIATES L P Long Only Manager	David Gregory Herro Chairman	2.97% $1.9B	3.38% 13.6M shares	Q3 2023 Held for 2y 2m	$62.4B
OPUS INVESTMENT MANAGEMENT INC Insurance Manager	Alan Howard Schechter CEO	2.85% $4.6M	0.01% 33.8K shares	Q1 2019 Held for 6y 8m	$161.2M

Hedge Fund Spotlight

Discover hedge funds investing in PSX

Alyeska Investment Group, L.P.

Hedge Fund • Multi-Strategy

Portfolio ManagerAnand Christopher Parekh

Portfolio Value: $33.0B
Positions: 575
Last Reported: Q3 2025

Sector Allocation

Position in Phillips 66

Market Value: $33.0M
Shares Held: 242.5K
Portfolio Weight: 0.10%
Owned Since: 2024-Q3

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