PHILLIPS 66

PSX Q1 2026 institutional ownership is a $54.9B book across 2,057 holders. BlackRock is the largest holder at $5.8B (32.0M shares, +12.7%, +$1.84B) -- the largest buyer. State Street $4.7B (25.8M shares, +14.1%, +$1.65B). Vanguard Capital Management $4.8B (26.1M shares, NEW); Vanguard Portfolio Management $4.0B (22.1M shares, NEW); Vanguard Fiduciary Trust $414M (2.3M shares, NEW). Elliott Investment Management $3.5B (19.3M shares, UNCHANGED) -- the largest holder by position size, reflecting a concentrated activist stake. Wells Fargo $2.5B (13.8M shares, -3.0%, -$686M) -- the largest seller. Geode Capital $1.9B (10.7M shares, +3.1%, +$596M). Harris Associates $1.7B (9.1M shares, -8.4%, -$397M) -- the top Sellers #1 by NET. Morgan Stanley $1.3B (7.1M shares, +6.1%, +$417M). Bank of New York Mellon $1.3B (6.9M shares, -2.6%, -$337M). Goldman Sachs $1.0B (5.8M shares, +25.2%, +$757M). FMR LLC $788M (4.3M shares, -2.7%, -$212M). Charles Schwab IM $723M (4.0M shares, +0.6%, +$214M). Invesco $722M (4.0M shares, +5.8%, +$222M). Northern Trust $670M (3.7M shares, -2.9%, -$190M). Amundi $668M (3.7M shares, +56.2%, +$376M). AQR Capital $616M (3.4M shares, +6.3%, +$195M). UBS Group $602M (3.3M shares, +6.1%, +$182M). Bank of America $541M (3.0M shares, +3.0%, +$162M). Dimensional Fund Advisors $517M (2.8M shares, +5.6%, +$156M). UBS AM $485M (2.7M shares, +12.1%, +$128M). New positions: Vanguard three. Sellers: Wells Fargo -$686M, Harris -$397M, BNY Mellon -$337M, FMR -$212M, Northern Trust -$190M. Buyers: BlackRock +$1.84B, State Street +$1.65B, Goldman +$757M, Morgan Stanley +$417M, Amundi +$376M, AQR +$195M, Invesco +$222M, Geode +$596M, BofA +$162M, Dimensional +$156M, UBS AM +$128M. The 75.50 whaleScore reflects AUM. Smart-money read: net-bullish on refiners. BlackRock +$1.84B and State Street +$1.65B represent the largest two adds in this batch. Elliott's $3.5B UNCHANGED position is itself a bullish signal; activist Elliott does not hold large passive stakes. Net read: bullish on Phillips 66 -- energy/midstream secular tailwinds and activist Elliott stake anchoring the thesis.