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MARSHALL WACE, LLP

Position in MCRB — Seres Therapeutics, Inc.

CIK 1318757 LONDON, X0

Position in MCRB

as of Jun 30, 2026 · filed Aug 13, 2026
Position Value
$1,359,012
+$121,302 QoQ
Shares Held
172,245
+23.4% QoQ
Ownership
1.73%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#3
of 36 holders
Holding Since
Sep 2021
8 quarters on record
Voting authority Sole 0% Shared 100% None 0%

Common Shares in MCRB Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

MARSHALL WACE, LLP holds $3,014,740,742 across 267 Biotechnology names. MCRB ranks #162 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in MCRB

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8 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $1,359,012 172,245
2026-03-31 $1,237,710 139,539
2025-12-31 $1,788,233 120,177
2025-09-30 $2,416,543 125,600
2025-06-30 $1,015,509 91,405
2022-06-30 $1,169,252 340,890
2021-12-31 $1,024,631 123,005
2021-09-30 $1,614,372 231,950