DOSSIER · 13F Holders · —

GTC BIOTHERAPEUTICS INC

Name: GTC BIOTHERAPEUTICS INC Institutional Ownership (13F)
Creator: 13F Insight

0 institutions still hold GTC BIOTHERAPEUTICS INC as of —. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 36238T104·0 13F holders

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13F value held

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visible holders

Holders

filers reporting

Concentration

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top holder share

AI Holders Summary · —

0 institutions reported GTC BIOTHERAPEUTICS INC in —. Top-holder concentration data is loading.

No institutional holders on file yet.