BlackRock Inc. - SPERO THERAPEUTICS INC ownership

SPERO THERAPEUTICS INC's ticker is SPRO and the CUSIP is 84833T103. A total of 80 filers reported holding SPERO THERAPEUTICS INC in Q2 2022. The put-call ratio across all filers is 0.90 and the average weighting 0.1%.

Quarter-by-quarter ownership
BlackRock Inc. ownership history of SPERO THERAPEUTICS INC
ValueSharesWeighting
Q3 2023$582,989
-23.2%
481,809
-8.0%
0.00%
Q2 2023$759,515
+6.9%
523,804
+6.9%
0.00%
Q1 2023$710,229
-15.9%
489,813
+0.4%
0.00%
Q4 2022$844,383
-39.0%
488,083
-29.5%
0.00%
Q3 2022$1,385,000
+170.0%
692,138
+0.2%
0.00%
Q2 2022$513,000
-96.7%
690,753
-61.5%
0.00%
Q1 2022$15,609,000
-45.8%
1,794,081
-0.3%
0.00%
-100.0%
Q4 2021$28,799,000
-13.2%
1,798,777
-0.2%
0.00%0.0%
Q3 2021$33,185,000
+33.6%
1,802,528
+1.3%
0.00%0.0%
Q2 2021$24,833,000
-5.0%
1,778,822
+0.1%
0.00%0.0%
Q1 2021$26,152,000
-22.1%
1,776,596
+2.6%
0.00%0.0%
Q4 2020$33,576,000
+179.3%
1,731,600
+60.8%
0.00%
Q3 2020$12,020,000
-6.5%
1,077,162
+13.4%
0.00%
-100.0%
Q2 2020$12,857,000
+80.6%
950,256
+7.8%
0.00%
Q1 2020$7,120,000
-1.9%
881,231
+16.7%
0.00%
Q4 2019$7,261,000
+0.9%
755,265
+11.2%
0.00%
Q3 2019$7,198,000
-4.8%
678,949
+3.4%
0.00%
Q2 2019$7,559,000
+40.1%
656,778
+56.0%
0.00%
Q1 2019$5,395,000
+122.8%
421,087
+7.0%
0.00%
Q4 2018$2,421,000
-38.2%
393,630
+5.7%
0.00%
Q3 2018$3,915,000
-22.0%
372,469
+8.9%
0.00%
Q2 2018$5,017,000
+39.5%
341,999
+35.6%
0.00%
Q1 2018$3,596,000
+27.1%
252,301
+4.7%
0.00%
Q4 2017$2,830,000240,8740.00%
Other shareholders
SPERO THERAPEUTICS INC shareholders Q2 2022
NameSharesValueWeighting ↓
Atlas Venture Associates IX, LLC 1,353,303$1,637,49713.93%
Anson Funds Management LP 4,159,572$5,033,0821.01%
OUP Management Co., LLC 249,070$301,3750.68%
Atlas Venture Life Science Advisors, LLC 1,013,438$1,226,2600.19%
Murchinson Ltd. 862,700$1,043,8670.13%
Alphabet Inc. 889,979$1,076,8740.07%
AWM Investment Company, Inc. 333,400$403,4140.06%
DAFNA Capital Management LLC 125,000$151,2500.05%
Novo Holdings A/S 468,902$567,3710.04%
XTX Topco Ltd 58,368$70,6250.01%
View complete list of SPERO THERAPEUTICS INC shareholders