William Blair & Company’s State Street SPDR S&P 500 ETF Trust SPY Stock Holding History

William Blair & Company’s Portfolio SPY Stock Details SPY Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2019 Q2	–	Sell	-500	Closed	-$141K	–	1768
2019 Q1	$141K	Hold	500	–	–	﹤0.01%	1360
2018 Q4	$125K	Hold	500	–	–	﹤0.01%	1292
2018 Q3	$145K	Hold	500	–	–	﹤0.01%	1335
2018 Q2	$136K	Hold	500	–	–	﹤0.01%	1316
2018 Q1	$132K	Hold	500	–	–	﹤0.01%	1242
2017 Q4	$133K	Hold	500	–	–	﹤0.01%	1302
2017 Q3	$126K	Buy	+500	New	+$123K	﹤0.01%	1297
2016 Q2	–	Sell	-2,000	Closed	-$411K	–	1270
2016 Q1	$411K	Buy	+2,000	New	+$390K	﹤0.01%	844
2014 Q2	–	Sell	-4,000	Closed	-$748K	–	2114
2014 Q1	$748K	Buy	+4,000	New	+$734K	﹤0.01%	1498

Other funds holding SPY

JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return

Susquehanna International Group Bala Cynwyd, Pennsylvania $1.28T AUM 58.89% 1-Year Est. Return

D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return

Northern Trust Chicago, Illinois $860B AUM 41.15% 1-Year Est. Return

UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return

Wells Fargo San Francisco, California $617B AUM 30.33% 1-Year Est. Return

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

William Blair & Company increased its State Street SPDR S&P 500 ETF Trust (SPY) stake by 0.32% in Q2 2026, buying an estimated $1.99M and bringing the position to 848,034 shares worth $633M. The position accounts for 1.65% of the portfolio, ranked #9.

William Blair & Company first reported a position in SPY in Q2 2013 and has held it in 53 quarters since. 4,655 funds tracked by Wall St. Rank hold SPY as of Q2 2026.

William Blair & Company held 848,034 shares of State Street SPDR S&P 500 ETF Trust worth $633M as of Q2 2026.
William Blair & Company bought 2,740 State Street SPDR S&P 500 ETF Trust shares in Q2 2026, an estimated $1.99M.
State Street SPDR S&P 500 ETF Trust made up 1.65% of William Blair & Company's portfolio in Q2 2026, its #9 holding.
William Blair & Company first reported a position in State Street SPDR S&P 500 ETF Trust in Q2 2013 and has held it in 53 quarters since.
4,655 funds tracked by Wall St. Rank held State Street SPDR S&P 500 ETF Trust as of Q2 2026.

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