William Blair & Company’s ProShares UltraPro Short QQQ SQQQ Stock Holding History

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

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$6.44K	Hold	80	–	–	﹤0.01%	1856
2025 Q4	$5.48K	Hold	80	–	–	﹤0.01%	1804
2025 Q3	$6.09K	Hold	80	–	–	﹤0.01%	1785
2025 Q2	$7.83K	Hold	80	–	–	﹤0.01%	1748
2025 Q1	$15.3K	Hold	80	–	–	﹤0.01%	1683
2024 Q4	$12.5K	Hold	80	–	–	﹤0.01%	1719
2024 Q3	$14.8K	Hold	80	–	–	﹤0.01%	1728
2024 Q2	$16.6K	Hold	80	–	–	﹤0.01%	1704
2024 Q1	$21K	Hold	80	–	–	﹤0.01%	1679
2023 Q4	$26.9K	Sell	80 -5	-6%	-$2.18K	﹤0.01%	1643
2023 Q3	$43.2K	Buy	85 +1	+1%	+$469	﹤0.01%	1601
2023 Q2	$39.9K	Hold	84	–	–	﹤0.01%	1619
2023 Q1	$62K	Hold	84	–	–	﹤0.01%	1558
2022 Q4	$114K	Buy	84 +80	+2,000%	+$103K	﹤0.01%	1469
2022 Q3	$7K	Buy	4 +1	+33%	+$1.14K	﹤0.01%	1757
2022 Q2	$5K	Buy	+3	New	+$3.71K	﹤0.01%	1806
2020 Q4	–	Sell	-1	Closed	-$3K	–	1865
2020 Q3	$3K	Hold	1	–	–	﹤0.01%	1685
2020 Q2	$4K	Hold	1	–	–	﹤0.01%	1631
2020 Q1	$12K	Sell	1 -3	-75%	-$39.3K	﹤0.01%	1546
2019 Q4	$55K	Hold	4	–	–	﹤0.01%	1479
2019 Q3	$79K	Hold	4	–	–	﹤0.01%	1406
2019 Q2	$86K	Buy	+4	New	+$94.4K	﹤0.01%	1443
2019 Q1	–	Hold	0	–	–	–	1670

Other funds holding SQQQ

IMC Chicago Chicago, Illinois $419B AUM 72.04% 1-Year Est. Return

UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return

Citigroup New York $303B AUM 53.02% 1-Year Est. Return

Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return

TAA

TB Alternative Assets Grand Cayman, Cayman Islands $623M AUM 154.99% 1-Year Est. Return

Smithfield Trust Pittsburgh, Pennsylvania $2.5B AUM 19.97% 1-Year Est. Return

Creative Planning Overland Park, Kansas $147B AUM 18.73% 1-Year Est. Return

HRT Financial New York $40.1B AUM 58.22% 1-Year Est. Return

Simplex Trading Chicago, Illinois $149B AUM 62.07% 1-Year Est. Return

Marex Group London $15.8B AUM 31.44% 1-Year Est. Return

William Blair & Company's SQQQ Position: Q1 2026 in Review

William Blair & Company held its ProShares UltraPro Short QQQ (SQQQ) position steady in Q1 2026 at 80 shares worth $6.44K. The position accounts for ﹤0.01% of the portfolio, ranked #1856.

William Blair & Company first reported a position in SQQQ in Q2 2019 and has held it in 22 quarters since. The position peaked at $114K in Q4 2022. 76 funds tracked by Wall St. Rank hold SQQQ as of Q1 2026.

William Blair & Company held 80 shares of ProShares UltraPro Short QQQ worth $6.44K as of Q1 2026.
William Blair & Company left its ProShares UltraPro Short QQQ share count unchanged in Q1 2026.
ProShares UltraPro Short QQQ made up ﹤0.01% of William Blair & Company's portfolio in Q1 2026, its #1856 holding.
William Blair & Company first reported a position in ProShares UltraPro Short QQQ in Q2 2019 and has held it in 22 quarters since.
William Blair & Company's ProShares UltraPro Short QQQ position peaked at $114K in Q4 2022.
76 funds tracked by Wall St. Rank held ProShares UltraPro Short QQQ as of Q1 2026.

Based on William Blair & Company's 13F filing for Q1 2026, filed 8 May 2026.