WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC quarter change: USA ETF, Reduced
In exchange-traded fund shares (known by the fund name on the filing) (listed in the US), from the quarter ended 2026-03-31 to 2026-06-30, WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC opened 2 positions, added to 3, reduced 3, sold out of 1 and left 0 unchanged. The largest increase in value was SPCX (+$59,711,640); the largest decrease was IWF (-$35,799,155).
- IWF: Country of operation —; Class RUS 1000 GRW ETF; Shares 2026-03-31 84,425; Shares 2026-06-30 1,608.
- IWO: Country of operation —; Class RUS 2000 GRW ETF; Shares 2026-03-31 38,173; Shares 2026-06-30 37,120.
- INDA: Country of operation —; Class MSCI INDIA ETF; Shares 2026-03-31 55,400; Shares 2026-06-30 51,795.
Two Form 13F-HR filings compared (SEC CIK 1644956): 2026-03-31 (filed 2026-05-08) and 2026-06-30 (filed 2026-08-12). Rows for the same security, class and put/call are added together. Value change is the filed value at each quarter end, so it includes the price move; share change is the position change.
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