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GPGI, Inc.

GPGI
Exchange
NYSE
Industry
Finance Services
SEC CIK
0001823144

No open-market purchases or sales by GPGI, Inc. insiders were filed in the last 90 days; 197 institutions reported holding it in 13F filings for Q2 2026, worth $4.34B in total; Starboard Value is the only superinvestor holding it.

Holders of 5% or more of GPGI

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

Holders of 5% or more of GPGI
HolderLatest formStakeChangeFirst filedLatest filingFiling
Platinum Equity, LLC13D18.30%52.8M sharesNewJan 20, 20261 filingJan 20, 2026SEC
Resolute Compo Holdings LLC13D/A17.90%51.7M shares−23.20 ppfrom 41.10%Sep 19, 20248 filingsJan 14, 2026SEC
FMR LLC13G/A14.70%42.7M shares+1.00 ppfrom 13.70%Mar 6, 20263 filingsAug 6, 2026SEC
Alyeska Investment Group, L.P.13G7.39%21.4M sharesNewMay 15, 20261 filingMay 15, 2026SEC
Locust Wood Capital Advisers, LLC13G5.10%14.9M shares−3.00 ppfrom 8.10%Oct 11, 20245 filingsJun 22, 2026SEC

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

110 Schedule 13D and 13G filings on GPGI, Inc., newest first, including old-format filings without a stake.

Schedule 13D and 13G filings on GPGI
Filed (ET)FilerFormStakeChangeEvent dateFiling
Aug 6, 202610:28 AM ETFMR LLCand 1 other13G/A14.70%42.7M shares+1.00 ppfrom 13.70%Jun 30, 2026SEC
Jun 22, 20264:56 PM ETLocust Wood Capital Advisers, LLCand 5 others13G5.10%14.9M shares−3.00 ppfrom 8.10%Jun 15, 2026SEC
May 15, 20264:32 PM ETAlyeska Investment Group, L.P.and 2 others13G7.39%21.4M sharesNewMar 31, 2026SEC
May 14, 202610:19 AM ETCapital Research Global Investors13G/A3.90%11.3M shares−3.40 ppfrom 7.30%Below 5%Mar 31, 2026SEC
May 6, 202611:18 AM ETFMR LLCand 1 other13G/A13.70%39.6M shares+2.90 ppfrom 10.80%Mar 31, 2026SEC
Mar 6, 202610:05 AM ETFMR LLCand 1 other13G10.80%31.3M sharesNewFeb 27, 2026SEC
Feb 12, 202610:25 AM ETCapital Research Global Investors13G7.30%9.21M sharesNewDec 31, 2025SEC
Jan 20, 20264:30 PM ETPlatinum Equity, LLCand 8 others13D18.30%52.8M sharesNewJan 12, 2026SEC
Jan 14, 20269:14 PM ETResolute Compo Holdings LLCand 4 others13D/A17.90%51.7M shares−23.20 ppfrom 41.10%Jan 12, 2026SEC
Nov 14, 20259:10 AM ETLMR Partners LLPand 7 others13G/A0.02%22.8K shares−7.88 ppfrom 7.90%Below 5%Sep 30, 2025SEC
Nov 4, 20259:00 PM ETResolute Compo Holdings LLCand 3 others13D/A41.10%51.4M shares−0.20 ppfrom 41.30%Nov 2, 2025SEC
Sep 10, 20258:05 PM ETResolute Compo Holdings LLCand 3 others13D/A41.30%51.4M shares−1.50 ppfrom 42.80%Sep 8, 2025SEC
Aug 27, 20259:00 PM ETResolute Compo Holdings LLCand 3 others13D/A42.80%51.4M shares−3.40 ppfrom 46.20%Aug 25, 2025SEC
Aug 22, 20259:00 PM ETResolute Compo Holdings LLCand 3 others13D/A46.20%51.4M shares−4.30 ppfrom 50.50%Aug 21, 2025SEC
Aug 14, 20259:13 AM ETLMR Partners LLPand 7 others13G/A7.90%8.73M shares–Jun 30, 2025SEC
Aug 13, 20255:49 PM ETLocust Wood Capital Advisers, LLCand 5 others13G/A8.10%8.26M shares+1.10 ppfrom 7.00%Jun 30, 2025SEC
Mar 17, 20256:55 PM ETLocust Wood Capital Advisers, LLCand 5 others13G7.00%7.17M shares+2.20 ppfrom 4.80%Mar 10, 2025SEC
Feb 14, 20259:41 PM ETResolute Compo Holdings LLCand 3 others13D/A50.50%51.4M shares–Feb 12, 2025SEC
Feb 14, 202512:07 PM ETLocust Wood Capital Advisers, LLCand 5 others13G/A4.80%4.58M shares–Below 5%Dec 31, 2024SEC
Feb 12, 20254:26 PM ETTikvah Management LLCand 3 others13G/A4.20%4.30M shares–Below 5%Dec 31, 2024SEC
Feb 12, 20251:20 PM ETSpurwink Management LLCand 2 others13G/A1.50%1.31M shares−5.30 ppfrom 6.80%Below 5%Dec 31, 2024SEC
Nov 29, 2024Resolute Compo Holdings LLC13D/AOld format–––SEC
Nov 14, 202410:41 AM ETSteamboat Capital Partners, LLCand 1 other13G/A2.50%2.04M shares–Below 5%Sep 30, 2024SEC
Nov 14, 2024LMR Partners LLP13G/AOld format–––SEC
Nov 13, 2024Cannell Capital LLC13G/AOld format–––SEC
Nov 12, 2024Aristeia Capital LLC13G/AOld format–––SEC
Nov 12, 2024Tikvah Management LLC13G/AOld format–––SEC
Nov 8, 2024Highbridge Capital Management LLC13G/AOld format–––SEC
Nov 8, 2024Bay Pond Partners, L.P.13G/AOld format–––SEC
Oct 25, 2024Whitebox Advisors LLC13G/AOld format–––SEC
Oct 11, 2024Locust Wood Capital Advisers, LLC13GOld format–New–SEC
Oct 7, 2024BlackRock, Inc.13G/AOld format–––SEC
Oct 4, 2024Wellington Management Group LLP13G/AOld format–––SEC
Oct 3, 20244:21 PM ETBleichroeder LPand 1 other13G/A4.70%3.90M shares–Below 5%Sep 30, 2024SEC
Sep 19, 2024Resolute Compo Holdings LLC13DOld format–New–SEC
Sep 17, 2024Logan Michele13D/AOld format–––SEC
Sep 17, 2024LLR Equity Partners IV, L.P.13D/AOld format–––SEC
Sep 3, 2024McLaughlin Steven J.13G/AOld format–––SEC
Aug 9, 2024Logan Michele13D/AOld format–––SEC
Aug 9, 2024LLR Equity Partners IV, L.P.13D/AOld format–––SEC
Jun 6, 2024Wellington Management Group LLP13GOld format–New–SEC
May 16, 2024Bay Pond Partners, L.P.13GOld format–New–SEC
May 14, 2024LLR Equity Partners IV, L.P.13D/AOld format–––SEC
May 14, 2024Logan Michele13D/AOld format–––SEC
Apr 10, 2024Steamboat Capital Partners, LLC13G/AOld format–––SEC
Feb 14, 20244:53 PM ETSpurwink Management LLCand 2 others13G/A6.80%1.40M shares–Dec 31, 2023SEC
Feb 14, 2024Bleichroeder LP13G/AOld format–––SEC
Feb 14, 2024Aristeia Capital LLC13GOld format–New–SEC
Feb 14, 2024Corsair Capital Management, L.P.13G/AOld format–––SEC
Feb 14, 2024Whitebox Advisors LLC13G/AOld format–––SEC

Form 144: proposed insider sales

1 notice from officers, directors and other affiliates planning to sell GPGI, Inc. shares, newest first.

Form 144 notices for GPGI
Filed (ET)SellerShares to sellMarket valuePlanned saleBrokerFiling
May 8, 20232:09 PM ETFitzsimmons Timothy WalterOfficer · CFO100.0K$719.0KMay 8, 2023Georgeson Securities CorpoationSEC