StockDriftsStockDriftsTop 50 Gw&k Investment Management LLC Holdings
| Stock | Company | % Port. | Shares | Value | Activity | Ownership | Avg. Cost | Date |
|---|---|---|---|---|---|---|---|---|
| MTSI | MACOM TECHNOLOGY SOLUTIONS H | 1.89% | 634.7K | $241.4M | -24.35%(-204.32K) | $62.23(+390.67%) | 2026-06-30 | |
| AEIS | ADVANCED ENERGY INDUSTRIES | 1.68% | 577.8K | $215.5M | -3.87%(-23.27K) | $123.07(+160.48%) | 2026-06-30 | |
| SPXC | SPX TECHNOLOGIES INC | 1.37% | 713.8K | $175.0M | +5.72%(+38.65K) | $122.45(+77.74%) | 2026-06-30 | |
| STRL | STERLING INFRASTRUCTURE INC | 1.3% | 197.6K | $165.9M | -35.14%(-107.09K) | $154.79(+272.42%) | 2026-06-30 | |
| ITT | ITT INC | 1.18% | 764.1K | $151.1M | -4.09%(-32.62K) | $94.93(+131.54%) | 2026-06-30 | |
| NOVT | NOVANTA INC | 1.14% | 897.3K | $145.6M | +4.50%(+38.61K) | $113.47(+46.80%) | 2026-06-30 | |
| RBC | RBC BEARINGS INC | 1.13% | 224.3K | $144.5M | -20.41%(-57.54K) | $106.92(+421.54%) | 2026-06-30 | |
| MOG.A | MOOG INC-CLASS A | 1.03% | 311.5K | $132.0M | -5.29%(-17.41K) | $197.84(+115.92%) | 2026-06-30 | |
| ENTG | ENTEGRIS INC | 0.98% | 696.7K | $125.3M | -5.73%(-42.32K) | $61.71(+149.03%) | 2026-06-30 | |
| APG | API GROUP CORP | 0.98% | 2.96M | $125.2M | -4.96%(-154.40K) | $24.30(+80.90%) | 2026-06-30 |
| Performance Metric | 3-Year Annualized | 3-Year Cumulative | 5-Year Annualized | 5-Year Cumulative |
|---|---|---|---|---|
| Top 20 Holdings Weighted | +26.78% | +103.78% | +14.76% | +99.07% |
| Top 20 Holdings Unweighted | +25.88% | +99.47% | +15.12% | +102.16% |
Gw&k Investment Management LLC reports $12.80B in US-listed equity holdings across 1,109 positions in its most recent 13F filing. Its largest disclosed positions are MTSI (1.9%), AEIS (1.7%) and SPXC (1.4%). The top 20 holdings account for 21.49% of reported assets. Its disclosed equity book has returned +103.78% on a three-year cumulative basis. Figures reflect the Q2 2026 filing.
Portfolio changes
Every reported change this quarter, grouped by direction. The signal is in the rotation, not any single trade.
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Holdings on this page are parsed from Gw&k Investment Management LLC’s Form 13F filings with the U.S. Securities and Exchange Commission (CIK 1082917). View Gw&k Investment Management LLC’s 13F filings on SEC