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BlackRock, Inc.

Position in MCRB — Seres Therapeutics, Inc.

CIK 2012383 New York, NY

Position in MCRB

as of Jun 30, 2026 · filed Aug 7, 2026
Position Value
$875,789
-$29,179 QoQ
Shares Held
111,000
+8.8% QoQ
Ownership
1.12%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#5
of 36 holders
Holding Since
Sep 2024
8 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in MCRB Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

BlackRock, Inc. holds $85,016,936,299 across 474 Biotechnology names. MCRB ranks #334 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in MCRB

Export CSV
8 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $875,789 111,000
2026-03-31 $904,968 102,026
2025-12-31 $1,541,878 103,621
2025-09-30 $1,963,632 102,060
2025-06-30 $1,126,006 101,351
2025-03-31 $1,233,508 1,762,157
2024-12-31 $1,464,351 1,762,157
2024-09-30 $1,667,000 1,762,157