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TWO SIGMA INVESTMENTS, LP

Position in MCRB — Seres Therapeutics, Inc.

CIK 1179392 NEW YORK, NY

Position in MCRB

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$166,702
-$216,443 QoQ
Shares Held
18,794
-27.0% QoQ
Ownership
0.189%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
16 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

TWO SIGMA INVESTMENTS, LP holds $7,273,657,992 across 342 Biotechnology names.

# Ticker Company Shares Value (USD) Open

All Filings in MCRB

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16 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $166,702 18,794
2025-12-31 $383,145 25,749
2025-03-31 $22,629 32,328
2024-12-31 $20,286 24,412
2023-12-31 $489,423 349,588
2023-09-30 $28,629 12,029
2022-06-30 $1,152,672 336,056
2022-03-31 $912,442 128,152
2021-12-31 $554,353 66,549
2021-09-30 $6,955,935 999,416
2021-06-30 $3,796,967 159,202
2021-03-31 $4,321,861 209,901
2020-12-31 $3,442,495 140,510
2020-09-30 $773,655 27,328
2020-06-30 $754,217 158,449
2020-03-31 $161,546 45,251