Renaissance Technologies’s Spero Therapeutics SPRO Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change %
Capital Flow Portfolio Weight Portfolio Position
2025
Q2
$2.41M Sell
832,165
-138,742
-14% -$402K ﹤0.01% 1995
2025
Q1
$699K Sell
970,907
-134,684
-12% -$97K ﹤0.01% 2602
2024
Q4
$1.14M Buy
1,105,591
+130,938
+13% +$135K ﹤0.01% 2426
2024
Q3
$1.31M Sell
974,653
-1,299
-0.1% -$1.74K ﹤0.01% 2294
2024
Q2
$1.27M Buy
975,952
+121,492
+14% +$158K ﹤0.01% 2183
2024
Q1
$1.47M Buy
854,460
+306,995
+56% +$528K ﹤0.01% 2237
2023
Q4
$805K Buy
547,465
+300
+0.1% +$441 ﹤0.01% 2543
2023
Q3
$662K Sell
547,165
-46,266
-8% -$56K ﹤0.01% 2574
2023
Q2
$860K Buy
593,431
+183,131
+45% +$265K ﹤0.01% 2561
2023
Q1
$595K Buy
410,300
+67,400
+20% +$97.7K ﹤0.01% 2790
2022
Q4
$593K Buy
342,900
+128,200
+60% +$222K ﹤0.01% 2853
2022
Q3
$429K Sell
214,700
-724,317
-77% -$1.45M ﹤0.01% 3018
2022
Q2
$696K Buy
939,017
+829,917
+761% +$615K ﹤0.01% 2949
2022
Q1
$949K Buy
+109,100
New +$949K ﹤0.01% 2762
2020
Q4
Sell
-153,203
Closed -$1.71M 3698
2020
Q3
$1.71M Sell
153,203
-176,700
-54% -$1.97M ﹤0.01% 2227
2020
Q2
$4.46M Buy
329,903
+5,600
+2% +$75.8K ﹤0.01% 1718
2020
Q1
$2.62M Sell
324,303
-13,900
-4% -$112K ﹤0.01% 1913
2019
Q4
$3.25M Buy
338,203
+85,400
+34% +$821K ﹤0.01% 2091
2019
Q3
$2.68M Buy
252,803
+37,900
+18% +$402K ﹤0.01% 2121
2019
Q2
$2.47M Buy
214,903
+101,600
+90% +$1.17M ﹤0.01% 2222
2019
Q1
$1.45M Buy
113,303
+70,400
+164% +$902K ﹤0.01% 2490
2018
Q4
$264K Buy
42,903
+30,903
+258% +$190K ﹤0.01% 3071
2018
Q3
$126K Buy
+12,000
New +$126K ﹤0.01% 3219