RA Capital Management - SPERO THERAPEUTICS INC ownership

SPERO THERAPEUTICS INC's ticker is SPRO and the CUSIP is 84833T103. A total of 53 filers reported holding SPERO THERAPEUTICS INC in Q3 2023. The put-call ratio across all filers is - and the average weighting 0.3%.

Quarter-by-quarter ownership
RA Capital Management ownership history of SPERO THERAPEUTICS INC
ValueSharesWeighting
Q2 2018$10,880,000
+3.0%
741,6470.0%0.71%
-12.8%
Q1 2018$10,568,000
-26.6%
741,647
-39.5%
0.81%
-32.8%
Q4 2017$14,401,0001,225,6471.20%
Other shareholders
SPERO THERAPEUTICS INC shareholders Q3 2023
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