13F

Stock

Spero Therapeutics, Inc.

SPRO · held by 3 managers

Reported value

$82.9K

Holders

3

+0 new · −0 exited

Holders’ est. mark

Need a prior quarter

Largest holder

$81.5K

MORGAN STANLEY

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
MORGAN STANLEY43.4K$81.5KHeld
BANK OF AMERICA CORP /DE/733$1.38KHeld
FNY Investment Advisers, LLC5.3K$9Held

Positions as of Q3 2025. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.