Granahan Investment Management’s Spero Therapeutics SPRO Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2022
Q2
Sell
2022
Q1
$986K Sell
2021
Q4
$6.07M Sell
2021
Q3
$10.2M Buy
2021
Q2
$4.64M Sell
2021
Q1
$5.04M Sell
2020
Q4
$8.15M Buy
2020
Q3
$4.17M Buy
2020
Q2
$2.25M Sell
2020
Q1
$1.39M Buy
2019
Q4
$1.43M Buy
2019
Q3
$1.56M Buy
2019
Q2
$1.59M Sell
2019
Q1
$1.8M Sell
2018
Q4
$949K Sell
2018
Q3
$1.65M Buy
2018
Q2
$2.22M Buy