TETRA TECHNOLOGIES INC DEL

CUSIP: 88162f105 Class: COM

Note: Option positions (PUT/CALL) are excluded.

InstitutionSharesValue ($000)
BERKSHIRE ASSET MANAGEMENT LLC/PA367,500$3,443
Legato Capital Management LLC245,549$2,301
Douglass Winthrop Advisors, LLC15,000$141
Total (3 institutions)628,049$5,885