Robbert Rietbroek, the President and CEO of $GPK, bought 44,278 shares of the company on 03-04-2026 for an estimated $501,098. This trade was reported by Quiver Quantitative using data from a recent SEC filing. This increased their holdings of this class of stock by approximately inf%. Following this trade, they now own 44,278 shares of this class of $GPK stock.
$GPK Insider Trading Activity
$GPK insiders have traded $GPK stock on the open market 1 times in the past 6 months. Of those trades, 1 have been purchases and 0 have been sales.
Here’s a breakdown of recent trading of $GPK stock by insiders over the last 6 months:
- ROBBERT RIETBROEK (President and CEO) purchased 44,278 shares for an estimated $501,098
To track insider transactions, check out Quiver Quantitative's insider trading dashboard.
$GPK Hedge Fund Activity
We have seen 234 institutional investors add shares of $GPK stock to their portfolio, and 301 decrease their positions in their most recent quarter.
Here are some of the largest recent moves:
- JPMORGAN CHASE & CO removed 8,834,474 shares (-76.8%) from their portfolio in Q4 2025, for an estimated $133,047,178
- AQR CAPITAL MANAGEMENT LLC added 7,253,473 shares (+503.6%) to their portfolio in Q4 2025, for an estimated $109,237,303
- EMINENCE CAPITAL, LP added 5,163,806 shares (+67.5%) to their portfolio in Q4 2025, for an estimated $77,766,918
- UBS GROUP AG added 4,992,179 shares (+123.8%) to their portfolio in Q4 2025, for an estimated $75,182,215
- UBS AM, A DISTINCT BUSINESS UNIT OF UBS ASSET MANAGEMENT AMERICAS LLC removed 4,211,057 shares (-76.4%) from their portfolio in Q4 2025, for an estimated $63,418,518
- DME CAPITAL MANAGEMENT, LP added 3,709,160 shares (+78.8%) to their portfolio in Q4 2025, for an estimated $55,859,949
- PREMIER FUND MANAGERS LTD removed 2,414,385 shares (-100.0%) from their portfolio in Q4 2025, for an estimated $36,360,638
To track hedge funds' stock portfolios, check out Quiver Quantitative's institutional holdings dashboard.
$GPK Revenue
$GPK had revenues of $2.1B in Q4 2025. This is an increase of 0.38% from the same period in the prior year.
You can track GPK financials on Quiver Quantitative's GPK stock page.
$GPK Congressional Stock Trading
Members of Congress have traded $GPK stock 1 times in the past 6 months. Of those trades, 0 have been purchases and 1 have been sales.
Here’s a breakdown of recent trading of $GPK stock by members of Congress over the last 6 months:
- REPRESENTATIVE LISA C. MCCLAIN sold up to $15,000 on 09/11.
To track congressional stock trading, check out Quiver Quantitative's congressional trading dashboard.
$GPK Price Targets
Multiple analysts have issued price targets for $GPK recently. We have seen 6 analysts offer price targets for $GPK in the last 6 months, with a median target of $16.0.
Here are some recent targets:
- Anthony Pettinari from Citigroup set a target price of $13.0 on 02/05/2026
- Gabe Hajde from Wells Fargo set a target price of $11.0 on 02/04/2026
- Anojja Shah from UBS set a target price of $17.0 on 01/12/2026
- Ghansham Panjabi from Baird set a target price of $18.0 on 01/07/2026
- Michael Roxland from Truist Securities set a target price of $18.0 on 01/06/2026
- Arun Viswanathan from RBC Capital set a target price of $15.0 on 12/11/2025
This article is not financial advice. See Quiver Quantitative's disclaimers for more information.
