GREAT LAKES DREDGE & DOCK CO GLDD
Latest 13F among current holders filed 19 days ago (Aug 14, 2026)
Institutional holders
182
-40 QoQ
13F value
$931.0M
+26.6% QoQ
Smart-money holders
8
signal tier ≥ 2
New smart buyers
6
Q1 2026
Options barometer
8.3×
$12.4M calls / $1.5M puts
Institutional value by quarter
Number of holders
Who owns GLDD?
Q1 2026 filings| Fund | Type | Shares | Value | % of fund | Change |
|---|---|---|---|---|---|
| BlackRock, Inc. | Index provider | 5.9M | $100.6M | 0.0% | -14.2% |
| DIMENSIONAL FUND ADVISORS LP | Quant stat arb | 3.4M | $57.6M | — | -21.2% |
| AMERICAN CENTURY COMPANIES INC | Diversified mechanical | 3.0M | $51.1M | — | +16.3% |
| GLAZER CAPITAL, LLC | Quant stat arb | 2.9M | $50.1M | — | New |
| VANGUARD CAPITAL MANAGEMENT LLC | Diversified mechanical | 2.9M | $48.6M | — | — |
| FIL Ltd | Other | 2.7M | $45.4M | 0.0% | New |
| TWO SIGMA INVESTMENTS, LP | Quant stat arb | 2.0M | $33.8M | 0.0% | +248.6% |
| GEODE CAPITAL MANAGEMENT, LLC | Index provider | 1.7M | $28.5M | — | +2.9% |
| Balyasny Asset Management L.P. | Multistrat pod | 1.6M | $27.7M | 0.1% | New |
| STATE STREET CORP | Index provider | 1.6M | $26.8M | 0.0% | -0.7% |
| Qube Research & Technologies Ltd | Quant stat arb | 1.4M | $23.5M | — | +119.6% |
| WATER ISLAND CAPITAL LLC ★2 | Fundamental concentrated | 1.3M | $21.5M | — | New |
| ODDO BHF ASSET MANAGEMENT SAS | Other | 1.2M | $19.8M | — | New |
| MILLENNIUM MANAGEMENT LLC | Multistrat pod | 1.1M | $19.2M | 0.0% | -29.2% |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | Quant stat arb | 1.1M | $17.9M | 0.0% | +32.4% |
| Minerva Advisors LLC ★3 | Fundamental concentrated | 1.0M | $17.5M | — | -25.9% |
| JENNISON ASSOCIATES LLC | Other | 1.0M | $17.5M | 0.0% | -73.0% |
| Beryl Capital Management LLC ★2 | Fundamental concentrated | 912.5K | $15.5M | — | New |
| Sand Grove Capital Management LLP ★2 | Fundamental concentrated | 893.2K | $15.2M | — | New |
| OMERS ADMINISTRATION Corp | Other | 864.0K | $14.7M | 0.1% | New |
| GOLDMAN SACHS GROUP INC | Bank broker | 858.6K | $14.6M | 0.0% | +35.3% |
| AQR Arbitrage LLC | Other | 730.6K | $12.4M | — | New |
| NORTHERN TRUST CORP | Index provider | 669.5K | $11.4M | 0.0% | +5.1% |
| TIG Advisors, LLC ★2 | Fundamental concentrated | 642.9K | $10.9M | 0.5% | New |
| Harvey Partners, LLC ★2 | Fundamental diversified | 610.0K | $10.4M | 0.8% | -83.5% |
| LONDON CO OF VIRGINIA | Other | 584.4K | $9.9M | 0.1% | Held |
| Squarepoint Ops LLC | Quant stat arb | 584.3K | $9.9M | 0.0% | +52.7% |
| Prescott Group Capital Management, L.L.C. | Other | 576.9K | $9.8M | 1.0% | Held |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | Index provider | 558.0K | $9.5M | — | +0.7% |
| GABELLI FUNDS LLC | Diversified mechanical | 505.5K | $8.6M | — | New |
| Cinctive Capital Management LP | Quant stat arb | 500.0K | $8.5M | — | New |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Diversified mechanical | 462.9K | $7.9M | — | — |
| VANGUARD FIDUCIARY TRUST CO | Diversified mechanical | 434.5K | $7.4M | — | — |
| First Trust Capital Management L.P. | Quant stat arb | 434.1K | $7.4M | — | New |
| Schonfeld Strategic Advisors LLC | Multistrat pod | 433.7K | $7.4M | 0.1% | +1070.3% |
| RENAISSANCE TECHNOLOGIES LLC | Quant stat arb | 381.7K | $6.5M | — | +47.5% |
| MORGAN STANLEY | Bank broker | 329.2K | $5.6M | 0.0% | -67.7% |
| Sanctuary Advisors, LLC | Wealth advisor | 305.2K | $5.2M | 0.0% | -7.1% |
| HRT FINANCIAL LP | Diversified mechanical | 276.4K | $4.7M | 0.0% | +108.5% |
| LAZARD ASSET MANAGEMENT LLC | Diversified mechanical | 269.4K | $4.6M | 0.0% | +19.1% |
| FRANKLIN RESOURCES INC | Long only active | 267.1K | $4.5M | 0.0% | New |
| PRELUDE CAPITAL MANAGEMENT, LLC | Diversified mechanical | 255.9K | $4.3M | 0.3% | New |
| Bank of New York Mellon Corp | Diversified mechanical | 254.0K | $4.3M | 0.0% | -2.4% |
| GABELLI & Co INVESTMENT ADVISERS, INC. | Other | 253.7K | $4.3M | — | New |
| JPMORGAN CHASE & CO | Bank broker | 225.4K | $3.8M | 0.0% | -66.3% |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC | Diversified mechanical | 208.2K | $3.5M | — | New |
| Polar Asset Management Partners Inc. | Quant stat arb | 200.0K | $3.4M | — | New |
| PRUDENTIAL FINANCIAL INC | Insurance | 190.0K | $3.2M | 0.0% | New |
| WOLVERINE ASSET MANAGEMENT LLC | Market maker | 175.7K | $3.0M | — | New |
| BANK OF AMERICA CORP /DE/ | Bank broker | 174.0K | $3.0M | 0.0% | -47.6% |
Exits are not a bearish signal: our backtest shows stocks specialists exit keep outperforming for 3+ quarters — selling usually means profit-taking, not a forecast.