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Livermore
Livermore
ZHEN

Hackett Group, Inc.

HCKT
Exchange
Nasdaq
Industry
Services-Management Consulting Services
SEC CIK
0001057379

No open-market purchases or sales by Hackett Group, Inc. insiders were filed in the last 90 days; 164 institutions reported holding it in 13F filings for Q2 2026, worth $225.9M in total; no superinvestor holds it.

Holders of 5% or more of HCKT

Holders whose latest Schedule 13D or 13G filing reports 5% or more of Hackett Group, Inc., largest stake first. The change is against the holder's previous filing.

Holders of 5% or more of HCKT
HolderLatest formStakeChangeFirst filedLatest filingFiling
Royce & Associates LP13G/A11.67%2.96M shares+2.29 ppfrom 9.38%Jul 22, 20253 filingsMar 3, 2026SEC
BlackRock, Inc.13G/A6.90%1.90M shares–Apr 24, 20251 filingApr 24, 2025SEC

Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.

13D and 13G filings

6 Schedule 13D and 13G filings on Hackett Group, Inc., newest first, including old-format filings without a stake.

Schedule 13D and 13G filings on HCKT
Filed (ET)FilerFormStakeChangeEvent dateFiling
Mar 27, 20269:31 AM ETVanguard Group Inc13G/A0.00%0 shares−8.17 ppfrom 8.17%Below 5%Mar 13, 2026SEC
Mar 3, 20262:48 PM ETRoyce & Associates LP13G/A11.67%2.96M shares+2.29 ppfrom 9.38%Feb 28, 2026SEC
Oct 14, 20259:23 AM ETRoyce & Associates LP13G/A9.38%2.58M shares+2.90 ppfrom 6.48%Sep 30, 2025SEC
Jul 29, 20251:33 PM ETVanguard Group Inc13G/A8.17%2.26M shares–Jun 30, 2025SEC
Jul 22, 202510:04 AM ETRoyce & Associates LP13G/A6.48%1.79M shares–Jun 30, 2025SEC
Apr 24, 20259:27 AM ETBlackRock, Inc.13G/A6.90%1.90M shares–Mar 31, 2025SEC

Form 144: proposed insider sales

Notices from officers, directors and other affiliates planning to sell Hackett Group, Inc. shares.

No Form 144 notices for Hackett Group, Inc. are on file.