Skip to main content

MARSHALL WACE, LLP

Position in SPRO — Spero Therapeutics, Inc.

CIK 1318757 LONDON, X0

Position in SPRO

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$367,548
+$274,186 QoQ
Shares Held
157,072
+143.9% QoQ
Ownership
0.270%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2022
6 quarters on record
Voting authority Sole 0% Shared 100% None 0%

Common Shares in SPRO Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

MARSHALL WACE, LLP holds $3,055,517,440 across 267 Biotechnology names.

# Ticker Company Shares Value (USD) Open

All Filings in SPRO

Export CSV
6 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $367,548 157,072
2023-03-31 $93,362 64,388
2022-12-31 $88,086 50,917
2022-09-30 $373,140 186,570
2022-06-30 $26,949 36,369
2022-03-31 $226,434 26,027