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PSX

Phillips 66

Company with tickers: PSX

CIK
1534701
CUSIP
718546104
Shares Outstanding
400,935,020
13F Activity (30d)
1009 filings 985 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: 2,120
Total Value: $57,757,530,371
Total Shares: 317,035,524
Showing 1–100 of 2,170 holdings by value · page 1 of 22

Institutional Ownership Trend

25 quarters

Holder Concentration

Across 2,120 13F filers · Δ vs Dec 31, 2025
Top Holder
10.1%
Jun 2023 → Mar 2026 · range 10.1% – 16.6%
−6.4 pts
Top 5
39.5%
Jun 2023 → Mar 2026 · range 39.2% – 44.8%
−4.9 pts
Top 10
54.5%
Jun 2023 → Mar 2026 · range 51.2% – 59.2%
−3.6 pts
HHI
394
Jun 2023 → Mar 2026 · range 394 – 552
Broadly held −151

Quarterly Activity

vs Dec 31, 2025
New
347
Increased
686
Decreased
744
Sold Out
135
Unchanged
343
Holder count: +212
Institutional value: +42.1%
Shares held: +0.7%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Showing 100 of 2,170
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Holder Value (USD) % of 13F Shares Open