448 tracked 13F filers disclose a position in GPK as of the latest SEC 13F filings, a combined $3.2B in reported value. Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | $361.8M | 36.4M | ▲+40% Added · +10.3M sh | Q1 2026 | |
| 2 | FULLER & THALER ASSET MANAGEMENT, INC. | $220.7M | 20.9M | ▲+2.8% Added · +565K sh | Q2 2026 | |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | $144.2M | 14.5M | →First observed position No prior filed position | Q1 2026 | |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | $131.9M | 13.3M | →First observed position No prior filed position | Q1 2026 | |
| 5 | DIMENSIONAL FUND ADVISORS LP | $108.0M | 10.9M | ▼−7.4% Reduced · −864K sh | Q1 2026 | |
| 6 | STATE STREET CORP | $111.6M | 10.5M | ▲+3.4% Added · +341K sh | Q2 2026 | |
| 7 | FMR LLC | $99.4M | 10.0M | ▼−13% Reduced · −1.5M sh | Q1 2026 | |
| 8 | DME Capital Management, LP | $90.5M | 9.1M | ▲+8.1% Added · +685K sh | Q1 2026 | |
| 9 | MANNING & NAPIER ADVISORS LLC | $84.3M | 8.5M | ▲64× Added · +8.3M sh | Q1 2026 | |
| 10 | AQR CAPITAL MANAGEMENT LLC | $78.3M | 8.0M | ▼−8.3% Reduced · −725K sh | Q1 2026 | |
| 11 | AMERICAN CENTURY COMPANIES INC | $77.5M | 7.8M | ▼−59% Reduced · −11.4M sh | Q1 2026 | |
| 12 | UBS Group AG | $75.5M | 7.6M | ▼−16% Reduced · −1.4M sh | Q1 2026 | |
| 13 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | $74.1M | 7.5M | ▼−31% Reduced · −3.3M sh | Q1 2026 | |
| 14 | MORGAN STANLEY | $62.4M | 6.3M | ▲+44% Added · +1.9M sh | Q1 2026 | |
| 15 | GEODE CAPITAL MANAGEMENT, LLC | $62.9M | 5.9M | ▲+1.3% Added · +75K sh | Q2 2026 | |
| 16 | CITADEL ADVISORS LLC | $54.4M | 5.5M | ▲+457% Added · +4.5M sh | Q1 2026 | |
| 17 | MILLENNIUM MANAGEMENT LLC | $52.6M | 5.3M | ▲+255% Added · +3.8M sh | Q1 2026 | |
| 18 | Qube Research & Technologies Ltd | $45.7M | 4.6M | ▲+341% Added · +3.6M sh | Q1 2026 | |
| 19 | BANK OF AMERICA CORP /DE/ | $38.9M | 3.9M | ▲+16% Added · +539K sh | Q1 2026 | |
| 20 | SHAPIRO CAPITAL MANAGEMENT LLC | $40.9M | 3.9M | ▼−9.3% Reduced · −398K sh | Q2 2026 | |
| 21 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $37.1M | 3.7M | ▲+12% Added · +391K sh | Q1 2026 | |
| 22 | NORGES BANK | $54.0M | 3.6M | ▲+36% Added · +947K sh | Q4 2025 | |
| 23 | Pine Valley Investments Ltd Liability Co | $37.2M | 3.5M | ▲New +3.5M sh | Q2 2026 | |
| 24 | Squarepoint Ops LLC | $34.3M | 3.5M | ▲+14% Added · +416K sh | Q1 2026 | |
| 25 | MAGARIAN CAPITAL MANAGEMENT, LLC | $33.2M | 3.1M | ▲New +3.1M sh | Q2 2026 |
Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.
Last quarter, 12 funds opened a new position in GPK and 34 added to an existing one, while 16 reduced and 0 exited entirely — based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 255 funds | $254.8B |
| AMAZON.COM INCAMZN | 254 funds | $192.8B |
| META PLATFORMS INC-CLASS AMETA | 250 funds | $103.5B |
| NVIDIA CORPNVDA | 248 funds | $368.6B |
| ALPHABET INC-CL AGOOGL | 246 funds | $154.5B |
| ELI LILLY & COLLY | 246 funds | $71.3B |
| APPLE INCAAPL | 244 funds | $278.7B |
| JPMORGAN CHASE & COJPM | 242 funds | $61.3B |
| BANK OF AMERICA CORPBAC | 241 funds | $30.5B |
| BROADCOM INCAVGO | 239 funds | $148.8B |
| VISA INC-CLASS A SHARESV | 239 funds | $57.1B |
| ALPHABET INC-CL CGOOG | 237 funds | $116.1B |
Ranked by how many of GPK's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| May 20, 2026 | Stafeil Jeffrey | Director | Buy (P) | 16K | $0 |
| May 8, 2026 | HAGEMANN ROBERT | Director | Buy (P) | 14K | $154K |
| May 7, 2026 | Stafeil Jeffrey | Director | Buy (P) | 18K | $200K |
| Mar 4, 2026 | Rietbroek Robbert | President and CEO, Director | Buy (P) | 44K | $501K |
| Mar 4, 2026 | Venturelli Larry M | Director | Buy (P) | 600 | $7K |
| Mar 4, 2026 | Venturelli Larry M | Director | Buy (P) | 2K | $24K |
| Mar 4, 2026 | Venturelli Larry M | Director | Buy (P) | 4K | $44K |
| Mar 4, 2026 | Venturelli Larry M | Director | Buy (P) | 11K | $124K |
| Aug 25, 2025 | Yost Joseph P | EVP & President, Americas | Sell (S) | 30K | $682K |
| Aug 4, 2025 | MARTENS PHILIP R | Director | Sell (S) | 7K | $153K |
| Aug 1, 2025 | MARTENS PHILIP R | Director | Sell (S) | 57K | $1.2M |
| Nov 25, 2024 | Lischer Charles D | SVP & CAO | Sell (S) | 12K | $356K |
Connected entities for GPK
This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/GPK/capital-change-brief"
Use Arkolith's capital_change_brief for GPK. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for GPK. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.