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AMERICAN CENTURY COMPANIES INC

Position in QTTB — Q32 Bio Inc.

CIK 748054 KANSAS CITY, MO

Position in QTTB

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$3,474,860
+$3,354,357 QoQ
Shares Held
272,752
+1353.1% QoQ
Ownership
0.916%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#13
of 71 holders
Holding Since
Mar 2026
2 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in QTTB Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

AMERICAN CENTURY COMPANIES INC holds $3,618,743,392 across 179 Biotechnology names. QTTB ranks #62 (0.1% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in QTTB

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2 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $3,474,860 272,752
2026-03-31 $120,503 18,770