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D. E. Shaw & Co., Inc.

Position in DYN — Dyne Therapeutics, Inc.

CIK 1009207 New York, NY

Position in DYN

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$1,336,175
+$810,100 QoQ
Shares Held
60,161
+44.7% QoQ
Ownership
0.032%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#109
of 245 holders
Holding Since
Dec 2020
11 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in DYN Over Time

Shares Held

Position Value (USD)

Derivatives in DYN

reported options exposure · as of Mar 31, 2024
CallValue
$1,419,500
CallShares
50,000
PutValue
$0
PutShares
0

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Biotechnology

Healthcare · as of Jun 30, 2026

D. E. Shaw & Co., Inc. holds $5,017,559,982 across 217 Biotechnology names. DYN ranks #146 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in DYN

Export CSV
11 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $1,336,175 60,161
2025-09-30 $526,075 41,587
2025-06-30 $4,845,108 508,940
2025-03-31 $3,008,849 287,653
2024-12-31 $3,151,668 133,772
2024-09-30 $2,623,596 73,040
2024-06-30 $3,120,341 88,420
2024-03-31 $1,419,500 50,000
2023-03-31 $272,655 23,668
2022-12-31 $153,521 13,246
2020-12-31 $215,880 10,280