William Blair & Company
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William Blair & Company’s iShares S&P 100 ETF OEF Stock Holding History

William Blair & Company’s Portfolio OEF Stock Details OEF Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2014
Q1 		– Sell
-6,065
Closed -$558K – 2061
2013
Q4 		$558K Buy
+6,065
New +$479K ﹤0.01% 1559

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Fifth Third Bancorp
Fifth Third Bancorp Cincinnati, Ohio $61.7B AUM 33.76% 1-Year Est. Return
Jones Financial Companies
Jones Financial Companies Des Peres, Missouri $250B AUM 21.32% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
LPL Financial
LPL Financial San Diego, California $445B AUM 25.58% 1-Year Est. Return
Wells Fargo
Wells Fargo San Francisco, California $617B AUM 30.33% 1-Year Est. Return
CAM
Cresset Asset Management Chicago, Illinois $27.6B AUM 31.92% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return

William Blair & Company's OEF Position: Q2 2026 in Review

William Blair & Company reduced its iShares S&P 100 ETF (OEF) stake by 0.46% in Q2 2026, selling an estimated $35.8K and leaving 21,831 shares worth $7.99M. The position accounts for 0.02% of the portfolio, ranked #418.

William Blair & Company first reported a position in OEF in Q4 2015 and has held it in 39 quarters since. 1,025 funds tracked by Wall St. Rank hold OEF as of Q2 2026.

  • William Blair & Company held 21,831 shares of iShares S&P 100 ETF worth $7.99M as of Q2 2026.
  • William Blair & Company sold 100 iShares S&P 100 ETF shares in Q2 2026, an estimated $35.8K.
  • iShares S&P 100 ETF made up 0.02% of William Blair & Company's portfolio in Q2 2026, its #418 holding.
  • William Blair & Company first reported a position in iShares S&P 100 ETF in Q4 2015 and has held it in 39 quarters since.
  • 1,025 funds tracked by Wall St. Rank held iShares S&P 100 ETF as of Q2 2026.

Based on William Blair & Company's 13F filing for Q2 2026, filed 11 Aug 2026.