Brown Brothers Harriman & Co’s IonQ IONQ Stock Holding History

Brown Brothers Harriman & Co’s Portfolio IONQ Stock Details IONQ Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$40.4K	Hold	758	–	–	﹤0.01%	1147
2026 Q1	$21.9K	Sell	758 -56	-7%	-$2.15K	﹤0.01%	1214
2025 Q4	$36.5K	Buy	814 +56	+7%	+$3.14K	﹤0.01%	1094
2025 Q3	$46.6K	Buy	758 +4	+0.5%	+$188	﹤0.01%	1014
2025 Q2	$32.4K	Hold	754	–	–	﹤0.01%	1009
2025 Q1	$16.6K	Buy	754 +514	+214%	+$16.7K	﹤0.01%	992
2024 Q4	$10K	Buy	+240	New	+$6.02K	﹤0.01%	1129

Other funds holding IONQ

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

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

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

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

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Norges Bank Oslo, Norway $1T AUM

Marex Group London $23.6B AUM 57.16% 1-Year Est. Return

Brown Brothers Harriman & Co's IONQ Position: Q2 2026 in Review

Brown Brothers Harriman & Co held its IonQ (IONQ) position steady in Q2 2026 at 758 shares worth $40.4K. The position accounts for ﹤0.01% of the portfolio, ranked #1147.

Brown Brothers Harriman & Co first reported a position in IONQ in Q4 2024 and has held it in 7 quarters since. The position peaked at $46.6K in Q3 2025. 783 funds tracked by Wall St. Rank hold IONQ as of Q2 2026.

Brown Brothers Harriman & Co held 758 shares of IonQ worth $40.4K as of Q2 2026.
Brown Brothers Harriman & Co left its IonQ share count unchanged in Q2 2026.
IonQ made up ﹤0.01% of Brown Brothers Harriman & Co's portfolio in Q2 2026, its #1147 holding.
Brown Brothers Harriman & Co first reported a position in IonQ in Q4 2024 and has held it in 7 quarters since.
Brown Brothers Harriman & Co's IonQ position peaked at $46.6K in Q3 2025.
783 funds tracked by Wall St. Rank held IonQ as of Q2 2026.

Based on Brown Brothers Harriman & Co's 13F filing for Q2 2026, filed 12 Aug 2026.