Qube Research & Technologies (QRT)’s Spero Therapeutics SPRO Stock Holding History

Qube Research & Technologies (QRT)’s Portfolio SPRO Stock Details SPRO Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$30.2K	Buy	+13,644	New	+$35.7K	﹤0.01%	3178
2024 Q3	–	Sell	-1	Closed	-$1	–	4053
2024 Q2	$1	Hold	1	–	–	﹤0.01%	3708
2024 Q1	$2	Hold	1	–	–	﹤0.01%	4371
2023 Q4	$1	Hold	1	–	–	﹤0.01%	4282
2023 Q3	$1	Buy	+1	New	+$1	﹤0.01%	4044
2022 Q4	–	Sell	-15,948	Closed	-$32K	–	2962
2022 Q3	$32K	Sell	15,948 -1,716	-10%	-$1.71K	﹤0.01%	2222
2022 Q2	$13K	Buy	+17,664	New	+$51.4K	﹤0.01%	2308
2021 Q2	–	Sell	-24,878	Closed	-$366K	–	2768
2021 Q1	$366K	Buy	+24,878	New	+$438K	0.01%	1350

Other funds holding SPRO

GSK plc London $602M AUM

Pfizer New York $170M AUM 191.09% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return

Alphabet Inc Mountain View, California $99.1B AUM 124.46% 1-Year Est. Return

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

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

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

Raymond James Financial St Petersburg, Florida $369B AUM 28.27% 1-Year Est. Return

Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return

Qube Research & Technologies (QRT)'s SPRO Position: Q2 2026 in Review

Qube Research & Technologies (QRT) opened a new position in Spero Therapeutics (SPRO) in Q2 2026: 13,644 shares worth $30.2K. The stake represents ﹤0.01% of the portfolio and ranks #3178 among its holdings. This is a return to the name: Qube Research & Technologies (QRT) previously reported a position in SPRO as recently as Q2 2024.

Qube Research & Technologies (QRT) first reported a position in SPRO in Q1 2021 and has held it in 8 quarters since. The position peaked at $366K in Q1 2021. 60 funds tracked by Wall St. Rank hold SPRO as of Q2 2026.

Qube Research & Technologies (QRT) held 13,644 shares of Spero Therapeutics worth $30.2K as of Q2 2026.
Spero Therapeutics was a new Qube Research & Technologies (QRT) position in Q2 2026.
Spero Therapeutics made up ﹤0.01% of Qube Research & Technologies (QRT)'s portfolio in Q2 2026, its #3178 holding.
Qube Research & Technologies (QRT) first reported a position in Spero Therapeutics in Q1 2021 and has held it in 8 quarters since.
Qube Research & Technologies (QRT)'s Spero Therapeutics position peaked at $366K in Q1 2021.
60 funds tracked by Wall St. Rank held Spero Therapeutics as of Q2 2026.

Based on Qube Research & Technologies (QRT)'s 13F filing for Q2 2026, filed 14 Aug 2026.