Renaissance Technologies - SPERO THERAPEUTICS INC ownership

Quarter-by-quarter ownership
Renaissance Technologies ownership history of SPERO THERAPEUTICS INC
ValueSharesWeighting
Q3 2023$662
-23.0%
547,165
-7.8%
0.00%0.0%
Q2 2023$860
+44.5%
593,431
+44.6%
0.00%0.0%
Q1 2023$595
+0.3%
410,300
+19.7%
0.00%0.0%
Q4 2022$593
-99.9%
342,900
+59.7%
0.00%0.0%
Q3 2022$429,000
-38.4%
214,700
-77.1%
0.00%0.0%
Q2 2022$696,000
-26.7%
939,017
+760.7%
0.00%0.0%
Q1 2022$949,000
-44.5%
109,100
-28.8%
0.00%
-50.0%
Q3 2020$1,710,000
-61.7%
153,203
-53.6%
0.00%
-50.0%
Q2 2020$4,464,000
+70.4%
329,903
+1.7%
0.00%
+33.3%
Q1 2020$2,620,000
-19.4%
324,303
-4.1%
0.00%
+50.0%
Q4 2019$3,252,000
+21.3%
338,203
+33.8%
0.00%0.0%
Q3 2019$2,680,000
+8.3%
252,803
+17.6%
0.00%0.0%
Q2 2019$2,474,000
+70.5%
214,903
+89.7%
0.00%
+100.0%
Q1 2019$1,451,000
+449.6%
113,303
+164.1%
0.00%
Q4 2018$264,000
+109.5%
42,903
+257.5%
0.00%
Q3 2018$126,00012,0000.00%
Other shareholders
SPERO THERAPEUTICS INC shareholders Q4 2023
NameSharesValueWeighting ↓
Aquilo Capital Management, LLC 3,829,209$53,456,00013.89%
Atlas Venture Associates IX, LLC 1,376,968$19,223,0003.38%
BVF INC/IL 2,137,978$29,846,0001.12%
AWM Investment Company, Inc. 372,755$5,204,0000.51%
Novo Holdings A/S 468,902$6,546,0000.29%
Rock Springs Capital Management LP 965,928$13,484,0000.27%
Alphabet Inc. 889,979$12,424,0000.25%
Artal Group S.A. 500,000$6,980,0000.14%
Granahan Investment Management 332,639$4,644,0000.09%
Radnor Capital Management, LLC 10,000$140,0000.05%
View complete list of SPERO THERAPEUTICS INC shareholders