Phillips 66 (PSX) Ownership
PSX ownership summary
as of October 18, 2026- Institutions
- 80.5% of shares outstanding
- Insiders
- 0.21% of shares outstanding
- Shares outstanding
- 399.0M
- Float
- 398.1M shares available to trade
- Short interest
- 1.59% 5.5M shares short
- Days to cover
- 1.62 short interest down 1.7% vs prior month
- Institutions 80.51%
- Insiders 0.21%
- Other investors 19.28%
PSX top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | BlackRock Inc | 8.55% | 34.1M | $10.00B | +2.1M (+6.5%) | June 30, 2026 |
| 2 | Vanguard Capital Management, LLC | 6.56% | 26.2M | $7.68B | +75,351 (+0.3%) | June 30, 2026 |
| 3 | State Street Corp | 6.53% | 26.0M | $7.64B | +271,841 (+1.1%) | June 30, 2026 |
| 4 | Vanguard Portfolio Management, LLC | 5.57% | 22.2M | $6.51B | +113,627 (+0.5%) | June 30, 2026 |
| 5 | Elliott Investment Management LP | 4.82% | 19.3M | $5.64B | — | June 30, 2026 |
| 6 | Wells Fargo & Co | 3.13% | 12.5M | $3.66B | −1.3M (−9.5%) | June 30, 2026 |
| 7 | Geode Capital Management, LLC | 2.79% | 11.1M | $3.26B | +463,835 (+4.4%) | June 30, 2026 |
| 8 | Morgan Stanley - Brokerage Accounts | 1.81% | 7.2M | $2.11B | +106,463 (+1.5%) | June 30, 2026 |
| 9 | Bank of New York Mellon Corp | 1.62% | 6.5M | $1.90B | −412,449 (−6.0%) | June 30, 2026 |
| 10 | The Goldman Sachs Group Inc | 1.41% | 5.6M | $1.65B | −110,620 (−1.9%) | June 30, 2026 |
| 11 | AQR Capital Management LLC | 1.13% | 4.5M | $1.32B | +1.1M (+32.7%) | June 30, 2026 |
| 12 | NORGES BANK | 1.04% | 4.2M | $1.22B | −796,636 (−16.1%) | June 30, 2026 |
| 13 | Charles Schwab Investment Management Inc | 1.02% | 4.1M | $1.20B | +119,678 (+3.0%) | June 30, 2026 |
| 14 | T. Rowe Price Associates, Inc. | 0.95% | 3.8M | $1.11B | −980,418 (−20.5%) | June 30, 2026 |
| 15 | Amvescap Plc. | 0.94% | 3.7M | $1.10B | −219,033 (−5.5%) | June 30, 2026 |
| 16 | FMR Inc | 0.93% | 3.7M | $1.09B | −599,023 (−13.8%) | June 30, 2026 |
| 17 | Northern Trust Corp | 0.90% | 3.6M | $1.05B | −91,294 (−2.5%) | June 30, 2026 |
| 18 | Dimensional Fund Advisors, Inc. | 0.78% | 3.1M | $910.6M | +266,844 (+9.4%) | June 30, 2026 |
| 19 | Amundi | 0.74% | 3.0M | $867.3M | −709,196 (−19.3%) | June 30, 2026 |
| 20 | Bank of America Corp | 0.70% | 2.8M | $815.0M | −190,969 (−6.4%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 9 holders added 4.6M shares and 10 cut 5.4M.
PSX top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Vanguard MStar Total Stk Mkt Idx Invest | 3.19% | 12.7M | $3.74B | −25,460 (−0.2%) | August 31, 2026 |
| 2 | Vanguard 500 Index Investor | 2.63% | 10.5M | $3.07B | −171,675 (−1.6%) | September 30, 2026 |
| 3 | Vanguard MStar Mid Cap Index Instl | 2.14% | 8.5M | $2.50B | −128,061 (−1.5%) | September 30, 2026 |
| 4 | State Street®EngySelSectSPDR®ETF | 1.79% | 7.1M | $2.09B | −52,173 (−0.7%) | September 30, 2026 |
| 5 | iShares Core S&P 500 ETF | 1.33% | 5.3M | $1.56B | −8,547 (−0.2%) | September 30, 2026 |
| 6 | Fidelity 500 Index | 1.30% | 5.2M | $1.53B | +19,992 (+0.4%) | August 31, 2026 |
| 7 | State Street® SPDR® S&P 500® ETF | 1.23% | 4.9M | $1.43B | — | September 30, 2026 |
| 8 | Vanguard MStar Value Index Investor | 0.95% | 3.8M | $1.11B | −33,132 (−0.9%) | September 30, 2026 |
| 9 | Vanguard MStar Mid Cap Value ETF | 0.62% | 2.5M | $730.4M | −104,396 (−4.0%) | September 30, 2026 |
| 10 | Vanguard Dividend Appreciation ETF | 0.57% | 2.3M | $661.8M | −12,019 (−0.5%) | September 30, 2026 |
| 11 | Vanguard Institutional Index I | 0.53% | 2.1M | $618.8M | −32,707 (−1.5%) | September 30, 2026 |
| 12 | Vanguard Energy ETF | 0.49% | 2.0M | $575.2M | −8,747 (−0.4%) | September 30, 2026 |
| 13 | iShares Russell Mid-Cap ETF | 0.41% | 1.7M | $485.3M | +3,059 (+0.2%) | September 30, 2026 |
| 14 | Vanguard High Dividend Yield ETF | 0.41% | 1.6M | $478.1M | +4,591 (+0.3%) | September 30, 2026 |
| 15 | Fidelity Mid Cap Index | 0.38% | 1.5M | $447.2M | +6,400 (+0.4%) | August 31, 2026 |
| 16 | Pacer US Cash Cows 100 ETF | 0.29% | 1.2M | $337.3M | −206 (−0.0%) | September 30, 2026 |
| 17 | VictoryShares Free Cash Flow ETF | 0.28% | 1.1M | $326.3M | +780 (+0.1%) | September 30, 2026 |
| 18 | State Street® SPDR® Port S&P 500® ETF | 0.26% | 1.0M | $307.5M | −702 (−0.1%) | September 30, 2026 |
| 19 | iShares Core S&P 500 ETF USD Acc | 0.24% | 952K | $279.0M | +220 (+0.0%) | September 30, 2026 |
| 20 | Neuberger Large Cap Value Inv | 0.23% | 904K | $265.2M | +54,888 (+6.5%) | June 30, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
PSX insider transactions
latest 20| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-30 | Kevin J Mitchell | Sell | $190.07 | 15,629 | $3.0M |
| 2026-03-17 | Kevin Omar Meyers | Buy | $173.20 | 175 | $30,310 |
| 2026-03-13 | Lisa Ann Davis | Sell | $174.37 | 3,800 | $662,606 |
| 2026-03-12 | Brian Mandell | Sell | $169.53 | 42,800 | $7.3M |
| 2026-03-05 | Kevin J Mitchell | Sell | $168.22 | 16,856 | $2.8M |
| 2026-03-04 | Kevin J Mitchell | Sell | $165.03 | 4,944 | $815,908 |
| 2026-02-17 | Don Baldridge | Sell | $160.00 | 7,500 | $1.2M |
| 2026-02-04 | Vanessa Allen Sutherland | Sell | $150.00 | 4,394 | $659,100 |
| 2026-01-09 | Vanessa Allen Sutherland | Sell | $145.00 | 4,394 | $637,130 |
| 2025-12-01 | Brian Mandell | Sell | $140.04 | 25,500 | $3.6M |
| 2025-11-18 | Brian Mandell | Sell | $137.68 | 26,200 | $3.6M |
| 2025-11-07 | Kevin J Mitchell | Sell | $138.00 | 30,000 | $4.1M |
| 2025-09-26 | Vanessa Allen Sutherland | Sell | $140.00 | 4,393 | $615,020 |
| 2025-09-09 | Vanessa Allen Sutherland | Sell | $135.00 | 4,393 | $593,055 |
| 2025-08-14 | Gregory Hayes | Buy | $119.90 | 8,350 | $1.0M |
| 2025-07-31 | Sigmund L Cornelius | Buy | $123.55 | 500 | $61,775 |
| 2025-07-30 | Michael A Heim | Buy | $125.97 | 1,000 | $125,970 |
| 2025-07-08 | Vanessa Allen Sutherland | Sell | $130.00 | 4,393 | $571,090 |
| 2025-06-18 | Brian Mandell | Sell | $125.00 | 9,800 | $1.2M |
| 2025-05-22 | Robert W Pease | Buy | $113.85 | 439 | $49,980 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
PSX shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns PSX
Institutional investors own 80.5% of Phillips 66's shares and insiders 0.21%. The largest holder is BlackRock Inc with 8.55% of the shares (34.1M), as of June 30, 2026. Among the top 20 institutions, 9 added shares and 10 reduced their stake in the latest filings. Short interest is 1.59% of the float, or 1.62 days of average trading volume. The share count fell 27.5% since 2014.
Related: PSX analyst forecast, PSX key metrics, PSX dividend history. See the PSX stock overview for the latest quote and news.
PSX ownership FAQ
Who owns the most Phillips 66 stock?
The largest shareholders of Phillips 66 are BlackRock Inc (8.55%), Vanguard Capital Management, LLC (6.56%), State Street Corp (6.53%), Vanguard Portfolio Management, LLC (5.57%), Elliott Investment Management LP (4.82%).
What percentage of Phillips 66 is owned by institutions?
Institutions hold 80.5% of Phillips 66's shares outstanding; insiders hold 0.21%.
Which funds own Phillips 66?
The largest fund holders of Phillips 66 are Vanguard MStar Total Stk Mkt Idx Invest (3.19%), Vanguard 500 Index Investor (2.63%), Vanguard MStar Mid Cap Index Instl (2.14%), State Street®EngySelSectSPDR®ETF (1.79%), iShares Core S&P 500 ETF (1.33%).
What is Phillips 66's short interest?
5.5M shares of Phillips 66 were sold short, 1.59% of the float; at the average daily volume it would take 1.62 days to cover.
Are insiders buying or selling Phillips 66?
Of the latest 20 reported insider transactions in Phillips 66 (since May 22, 2025), 5 were purchases and 15 were sales.
How many shares of Phillips 66 are outstanding?
Phillips 66 has 399.0M shares outstanding, of which 398.1M are in the public float.