DOSSIER · 13F Holders · Q3 2026

CONTRA BLUEPRINT MEDICINES

3 institutions still hold CONTRA BLUEPRINT MEDICINES as of Q3 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 096CVR048·3 13F holders·last filed Sep 30, 2026
Market cap
—
13F value held
—
visible holders
Holders
3
filers reporting
Concentration
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MassMutual Private Wealth & Trust, FSB #1
top holder share
AI Holders Summary · Q3 2026

3 institutions reported CONTRA BLUEPRINT MEDICINES in Q3 2026. Top-holder concentration data is loading.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
MassMutual Private Wealth & Trust, FSB
CIK 0001103653
$090.00%Q3 2026
02
PRIVATE TRUST CO NA
CIK 0001277557
$010.00%Q3 2026
03
Golden State Equity Partners
CIK 0001845003
$0110.00%Q3 2026