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Illustrative 13F-style ownership (seed demo data)

Fund flows

Who is buying and selling?

Institutional holders with change direction vs prior period: new, increase, decrease, exit.

Demo data: these reports use a curated seed file for product education — not live SEC EDGAR filings, not real-time smart-money signals. Periods and manager lists may be incomplete.

ASML

ASML Holding

lithography Period 2025-Q4 vs 2025-Q3

Summary

1 new 2 increase 2 decrease 1 exit 0 unchanged
Buyers Vanguard Group, Capital Research, Wellington Management
Sellers BlackRock, T. Rowe Price, Citadel Advisors

Holders

Fund Direction Shares Δ Shares Value $mm
Vanguard Group increase 22,000,000 500,000 16,500
BlackRock decrease 19,800,000 -300,000 14,850
Capital Research increase 12,500,000 1,500,000 9,375
T. Rowe Price decrease 8,200,000 -800,000 6,150
Wellington Management new 4,100,000 4,100,000 3,075
Citadel Advisors exit 0 -900,000 0
Full report 
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INSTITUTIONAL FLOW: ASML — ASML Holding
============================================================
Stack roles : lithography
Period      : 2025-Q4 vs prior 2025-Q3 vs 2025-Q2  [history: 2025-Q2 → 2025-Q3 → 2025-Q4]
Summary     : {'new': 1, 'increase': 2, 'decrease': 2, 'exit': 1, 'unchanged': 0}

Buyers (new/increase): Vanguard Group, Capital Research, Wellington Management
Sellers (decrease/exit): BlackRock, T. Rowe Price, Citadel Advisors

Fund                         Dir              Shares        Δ Q      Δ Q-1      $mm
------------------------------------------------------------
Vanguard Group               increase     22,000,000    500,000 -1,720,000   16,500
BlackRock                    decrease     19,800,000   -300,000  1,608,000   14,850
Capital Research             increase     12,500,000  1,500,000   -880,000    9,375
T. Rowe Price                decrease      8,200,000   -800,000    720,000    6,150
Wellington Management        new           4,100,000  4,100,000 -3,690,000    3,075
Citadel Advisors             exit                  0   -900,000     72,000        0

Seed 13F-style demo data — educational only, not a complete filing set. Not investment advice.