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D. E. Shaw & Co., Inc.

Position in TECX — Tectonic Therapeutic, Inc.

CIK 1009207 New York, NY

Position in TECX

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$6,413,589
+$2,824,320 QoQ
Shares Held
186,550
+60.7% QoQ
Ownership
0.954%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#17
of 122 holders
Holding Since
Dec 2025
3 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in TECX Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

D. E. Shaw & Co., Inc. holds $5,017,559,982 across 217 Biotechnology names. TECX ranks #88 (0.1% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in TECX

Export CSV
3 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $6,413,589 186,550
2026-03-31 $3,589,269 116,120
2025-12-31 $2,508,415 120,250