ProShare Advisors LLC
- SEC CIK
- 0001357955
- Latest filing
- Aug 11, 2026
SPRO holding history
Spero Therapeutics, Inc. in every 13F filed by ProShare Advisors LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
SPRO overviewAll 13F holders of SPROFull Q2 2026 holdings
- Shares (Q3 2021)
- 0
- Sold out in Q3 2021
- Value
- $0
- % of portfolio
- 0.0%
- Quarters held
- 1
- Since Q2 2021