Tenable Holdings, Inc. (TENB) Ownership & Trading Activity

Institutional holders, insider transactions, and congressional trades for TENB. 13F holdings as of 2026-03-31.

Top Institutional Holders

InstitutionSharesValueChange
BlackRock, Inc.13,497,402$228MINCREASED
VANGUARD PORTFOLIO MANAGEMENT LLC9,632,968$163MNEW
AMERIPRISE FINANCIAL INC8,499,447$144MINCREASED
VANGUARD CAPITAL MANAGEMENT LLC5,347,521$90MNEW
SHAPIRO CAPITAL MANAGEMENT LLC4,150,152$70MINCREASED

Recent Insider Trades

InsiderTypeSharesValueDate
Margaret M Keane (Director)EXERCISE3,1882026-06-15
Mark C. Thurmond (Co-Chief Executive Officer)SELL2,112$54K2026-05-22
Mark C. Thurmond (Co-Chief Executive Officer)EXERCISE4,3682026-05-22
Mark C. Thurmond (Co-Chief Executive Officer)SELL3,754$96K2026-05-22
Mark C. Thurmond (Co-Chief Executive Officer)EXERCISE7,7642026-05-22

Full institutional holdings, insider history, and congressional trades for Tenable Holdings, Inc. on SentiSense.