DOSSIER · 13F Holders · Q2 2026

CONTRA BLUEPRINT MEDICINES

4 institutions still hold CONTRA BLUEPRINT MEDICINES as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 096CVR048·4 13F holders·last filed Jun 30, 2026
Market cap
13F value held
visible holders
Holders
4
filers reporting
Concentration
MassMutual Private Wealth & Trust, FSB #1
top holder share
AI Holders Summary · Q2 2026

4 institutions reported CONTRA BLUEPRINT MEDICINES in Q2 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%Q2 2026
02
PRIVATE TRUST CO NA
CIK 0001277557
$010.00%Q2 2026
03
Golden State Equity Partners
CIK 0001845003
$0110.00%Q1 2026
04
GAMMA Investing LLC
CIK 0002010235
$02710.00%Q2 2026