DOSSIER · 13F Holders · Q2 2026

Contra ABIOMED Inc

9 institutions still hold Contra ABIOMED Inc as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 003CVR016·9 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$1
visible holders
Holders
9
filers reporting
Concentration
100.00%
STEPH & CO #1
top holder share
AI Holders Summary · Q2 2026

9 institutions reported Contra ABIOMED Inc in Q2 2026. STEPH & CO leads at 100.0% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
STEPH & CO
CIK 0000941519
$1310.00%Q2 2026
02
Ancora Advisors LLC
CIK 0001446114
$0150.00%Q2 2026
03
Heritage Wealth Advisors
CIK 0001591122
$02590.00%Q2 2026
04
Golden State Equity Partners
CIK 0001845003
$060.00%Q1 2026
05
GAMMA Investing LLC
CIK 0002010235
$0980.00%Q2 2026
06
THURSTON, SPRINGER, MILLER, HERD & TITAK, INC.
CIK 0000319933
$01000.00%Q2 2025
07
NEW MEXICO EDUCATIONAL RETIREMENT BOARD
CIK 0000862469
$02K0.00%Q1 2026
08
MassMutual Private Wealth & Trust, FSB
CIK 0001103653
$0250.00%Q2 2026
09
Sankala Group LLC
CIK 0002113426
$050.00%Q2 2026