Starboard Value

Superinvestor

Starboard Value LP

SEC CIK: 0001517137
Manager: Jeff Smith
Style: Activist
Latest filing: Aug 14, 2026

SEC filings (opens in a new tab)

GPGI holding history

GPGI, Inc. in every 13F filed by Starboard Value, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

GPGI overview All 13F holders of GPGI Full Q2 2026 holdings

Shares (Q2 2026): 5,027,028
Value: $79.7M
% of portfolio: 1.8%
Quarters held: 2; Since Q1 2026

Holdings of GPGI by Starboard Value, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q2 2026	5,027,028	$79.7M	1.8%	00.0%	Unchanged	Holders
Q1 2026	5,027,028	$86.0M	1.9%	+5,027,028	New	Holders