Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
195 institutional managers reported holding GSL for the quarter ended Mar 31, 2026. Together they hold about 47% of shares outstanding; the top 10 hold 23%. 30 opened new positions; 27 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| Donald Smith & CO., INC. | 1.58M | 4.39% | $58.8M | trimmed -24.4% | 2022 Q4 |
| Acadian Asset Management | 1.47M | 4.10% | $54.8M | unchanged | 2022 Q1 |
| Two Sigma | 1.40M | 3.89% | $52.0M | added +103.7% | 2023 Q3 |
| Qube Research & Technologies LTD | 763.7k | 2.13% | $28.4M | added +26.3% | 2022 Q1 |
| Punch & Associates Investment Management, INC. | 718.1k | 2.00% | $26.7M | trimmed -26.1% | 2019 Q3 |
| Renaissance Technologies | 618.8k | 1.72% | $23.0M | trimmed -10.8% | 2023 Q4 |
| Man Group | 501.9k | 1.40% | $18.7M | added +457.5% | 2021 Q1 |
| CSM Advisors, LLC | 458.5k | 1.28% | $17.1M | added +2.8% | 2025 Q2 |
| RBF Capital, LLC | 437.5k | 1.22% | $16.3M | unchanged | 2019 Q3 |
| Mirae Asset Global Etfs Holdings LTD. | 377.3k | 1.05% | $14.1M | trimmed -38.8% | 2023 Q4 |
| State Street | 353.3k | 0.98% | $13.2M | added +6.5% | 2022 Q4 |
| Allianz Asset Management GmbH | 351.6k | 0.98% | $13.1M | added +3.5% | 2022 Q1 |
| First Trust Advisors LP | 340.6k | 0.95% | $12.7M | opened | 2026 Q1 |
| LPL Financial LLC | 305.5k | 0.85% | $11.4M | added +24.8% | 2021 Q1 |
| Goldman Sachs | 300.8k | 0.84% | $11.2M | added +76.2% | 2024 Q3 |
| Lazard Asset Management LLC | 294.7k | 0.82% | $11.0M | added +65.5% | 2021 Q3 |
| JTC Employer Solutions Trustee LTD | 293.3k | 0.82% | $10.9M | trimmed -19.3% | 2021 Q3 |
| Arrowstreet Capital | 289.8k | 0.81% | $10.8M | opened | 2026 Q1 |
| BlackRock | 274.6k | 0.77% | $10.2M | added +26.1% | 2019 Q3 |
| Tudor Investment | 267.2k | 0.74% | $10.0M | added +25.7% | 2023 Q1 |
| Morgan Stanley | 255.9k | 0.71% | $9.5M | trimmed -39.5% | 2020 Q4 |
| D. E. Shaw | 224.5k | 0.63% | $8.4M | added +212.9% | 2025 Q4 |
| Charles Schwab Investment Management | 223.9k | 0.62% | $8.3M | trimmed -5.5% | 2024 Q1 |
| Grantham, Mayo, Van Otterloo & CO. LLC | 211.6k | 0.59% | $7.9M | added +922% | 2025 Q4 |
| SEI Investments CO | 200.8k | 0.56% | $7.5M | added +51.8% | 2024 Q1 |
| Citadel Advisors | 200.8k | 0.56% | $7.5M | added +131.5% | 2021 Q2 |
| UBS | 200.5k | 0.56% | $7.5M | added +304.7% | 2018 Q1 |
| SG Americas Securities, LLC | 185.2k | 0.52% | $6.9M | added +225.9% | 2024 Q2 |
| Jane Street | 164.4k | 0.46% | $6.1M | added +892.3% | 2021 Q1 |
| Point72 | 163.6k | 0.46% | $6.1M | trimmed -25% | 2023 Q4 |
| Lonestar Capital Management LLC (focused) | 160.0k | 0.45% | $6.0M | unchanged | 2025 Q2 |
| Isthmus Partners, LLC | 121.9k | 0.34% | $4.5M | added +4.5% | 2021 Q3 |
| Royal Palms Capital LLC (focused) | 119.3k | 0.33% | $4.4M | added +14.1% | 2025 Q4 |
| Millennium Management | 116.9k | 0.33% | $4.4M | trimmed -63% | 2021 Q1 |
| Trexquant Investment LP | 112.6k | 0.31% | $4.2M | trimmed -1.7% | 2022 Q1 |
| Public Employees Retirement System OF Ohio | 111.9k | 0.31% | $4.2M | added +21.5% | 2024 Q3 |
| Voloridge Investment Management | 106.2k | 0.30% | $4.0M | trimmed -48.7% | 2024 Q2 |
| Harbor Capital Advisors, INC. | 94.7k | 0.26% | $3.5M | trimmed -22.8% | 2024 Q1 |
| Janney Montgomery Scott LLC | 92.7k | 0.26% | $3.5M | trimmed -2.8% | 2023 Q1 |
| Y-Intercept (Hong Kong) LTD | 89.9k | 0.25% | $3.3M | added +35.8% | 2023 Q4 |
| Commons Capital, LLC | 86.0k | 0.24% | $3.2M | unchanged | 2025 Q1 |
| Ameriprise Financial INC | 85.8k | 0.24% | $3.2M | trimmed -15.2% | 2023 Q2 |
| Moors & Cabot, INC. | 82.0k | 0.23% | $3.1M | unchanged | 2021 Q3 |
| GSA Capital Partners LLP | 77.0k | 0.21% | $2.9M | added +54% | 2021 Q2 |
| O'shaughnessy Asset Management, LLC | 75.1k | 0.21% | $2.8M | added +1.1% | 2023 Q1 |
| Bank OF America CORP /DE/ | 74.9k | 0.21% | $2.8M | added +174.5% | 2021 Q2 |
| State of Tennessee, Department of Treasury | 60.0k | 0.17% | $2.2M | trimmed -2.5% | 2024 Q2 |
| Engineers Gate Manager LP | 55.4k | 0.15% | $2.1M | added +194.3% | 2022 Q1 |
| Invesco | 51.5k | 0.14% | $1.9M | trimmed -2.3% | 2021 Q1 |
| NEW York State Common Retirement Fund | 50.1k | 0.14% | $1.9M | unchanged | 2024 Q2 |
Largest 50 of 195 shown; the full ranked, searchable register is at boothcheck.com/holders/GSL. Related filers are grouped using the filings' own included-manager declarations. Historically, several managers opening new positions in the same quarter said almost nothing about the quarter that followed (59,118 cases since 2013). A filed record, not a forecast. Nothing here is investment advice.