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Equibles

TWO SIGMA INVESTMENTS, LP

Position in RNA — Atrium Therapeutics, Inc.

CIK 1179392 NEW YORK, NY
Back to RNA Full portfolio

Position in RNA

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$4,646,719
+$2,259,372 QoQ
Shares Held
345,481
+93.5% QoQ
Ownership
2.02%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#8
of 154 holders
Holding Since
Mar 2026
2 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in RNA Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

TWO SIGMA INVESTMENTS, LP holds $7,283,390,440 across 343 Biotechnology names. RNA ranks #121 (0.1% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 ALNY
Alnylam Pharmaceuticals, Inc.
 1,875,937 $564,713,315
2 MRNA
Moderna, Inc.
 7,193,530 $503,762,905
3 IONS
Ionis Pharmaceuticals Inc
 6,252,342 $495,748,197
4 REGN
Regeneron Pharmaceuticals, Inc.
 656,124 $409,119,558
5 BBIO
BridgeBio Pharma, Inc.
 4,722,185 $351,708,338
6 EXEL
Exelixis, Inc.
 4,209,861 $229,058,537
7 INCY
Incyte Corp
 2,003,559 $227,123,448
8 ARGX
Argenx SE
 185,638 $172,229,367

All Filings in RNA

Export CSV
2 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $4,646,719 345,481
2026-03-31 $2,387,347 178,560