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WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC

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Files quarterly holdings with the SEC · Q2 2026· figures are the filer's own · filings arrive up to 45 days after quarter end

CHICAGO, IL · www.youtube.com/user/williamblairinvmgmt · 388 employees · ADV filed 2026-04-09from Form ADV, adviser-reported, updated monthly

Disclosed US stock book

$33.3B

the filing's own total; every row accounted for

Total assets managed

$65.6B

regulatory AUM, Form ADV

Positions

403

This quarter

+47 opened · 57 exited

Top 10 holdings

SecurityValueQ/Q · Gold
TSM$2.4B
NVDA$1.7B
GOOGL$1.1B
AAPL$943M
AVGO$777M
MSFT$764M
META$535M
AMZN$474M
MA$471M
AMD$444M

…and 393 more positions. Quarter-over-quarter changes, adds and trims are part of the flows intelligence for Gold members.

Every position in the manager's quarterly holdings filing with the SEC is counted. A name without a link is one Moneyta does not cover yet.

Was this book followable? Gold

Every quarter since 2020, replayed at the real filing delay, against the S&P 500. The number nobody else computes.

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Flows, compare, and your portfolio beside theirs Gold

Quarter-over-quarter moves, overlap with other managers, and where you stand next to them.

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Further reading

Source: the manager's quarterly holdings filings with the SEC, via EDGAR. Disclosed long US positions only, not the fund's complete portfolio. Option rows show the UNDERLYING notional value the SEC requires, not premium paid: a put is bearish exposure, and notional overstates the actual bet. Educational analysis of published data. Insight, not advice.

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WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 13F holdings: top positions and quarterly changes | Moneyta.co