Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
173 institutional managers reported holding NVGS for the quarter ended Mar 31, 2026. Together they hold about 36% of shares outstanding; the top 10 hold 15%. 36 opened new positions; 17 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| Acadian Asset Management | 1.69M | 2.44% | $32.7M | added +59.4% | 2023 Q1 |
| BlackRock | 1.49M | 2.14% | $28.7M | trimmed -8.3% | 2020 Q3 |
| First Manhattan CO. LLC. | 1.33M | 1.91% | $25.6M | trimmed -7.2% | 2014 Q3 |
| Encompass Capital Advisors LLC | 1.03M | 1.49% | $20.0M | added +62.7% | 2024 Q2 |
| Gagnon Securities LLC | 886.6k | 1.28% | $17.1M | added +2.9% | 2015 Q1 |
| Royce & Associates | 864.6k | 1.24% | $16.7M | trimmed -4.3% | 2018 Q2 |
| First Eagle Investment Management | 780.6k | 1.12% | $15.1M | added +12.2% | 2021 Q2 |
| Adage Capital Partners GP, L.l.c. | 695.0k | 1.00% | $13.4M | added +138.4% | 2025 Q3 |
| FMR (Fidelity) | 678.1k | 0.98% | $13.1M | added +71.1% | 2024 Q2 |
| LSV Asset Management | 671.1k | 0.97% | $13.0M | added +273.9% | 2025 Q4 |
| Hodges Capital Management INC. | 661.8k | 0.95% | $12.8M | added +19.6% | 2023 Q2 |
| Gagnon Advisors, LLC (focused) | 539.9k | 0.78% | $10.4M | added +4.4% | 2015 Q2 |
| Robotti Robert | 535.5k | 0.77% | $10.3M | unchanged | 2024 Q2 |
| Renaissance Technologies | 533.0k | 0.77% | $10.3M | trimmed -12.6% | 2018 Q1 |
| Bridgeway Capital Management, LLC | 520.0k | 0.75% | $10.0M | added +2.4% | 2025 Q3 |
| Citadel Advisors | 457.4k | 0.66% | $8.8M | added +750.9% | 2018 Q2 |
| Gamco Investors, INC. et al | 453.0k | 0.65% | $8.7M | trimmed -0.5% | 2013 Q4 |
| Two Sigma | 439.3k | 0.63% | $8.5M | added +715% | 2022 Q1 |
| State Street | 432.1k | 0.62% | $8.3M | trimmed -6.4% | 2025 Q2 |
| Oppenheimer & CO INC | 406.9k | 0.58% | $7.9M | trimmed -2% | 2014 Q1 |
| SEI Investments CO | 402.1k | 0.58% | $7.8M | added +109.1% | 2023 Q4 |
| Geode Capital | 354.4k | 0.51% | $6.8M | trimmed -5.8% | 2025 Q2 |
| Ameriprise Financial INC | 333.5k | 0.48% | $6.4M | trimmed -1.5% | 2025 Q2 |
| Empowered Funds, LLC | 324.9k | 0.47% | $6.3M | added +3.9% | 2025 Q3 |
| Morgan Stanley | 320.9k | 0.46% | $6.2M | trimmed -26.8% | 2013 Q4 |
| American Century Companies INC | 317.4k | 0.46% | $6.1M | trimmed -12.9% | 2025 Q3 |
| Paragon Associates & Paragon Associates II Joint Venture (focused) | 300.0k | 0.43% | $5.8M | unchanged | 2013 Q4 |
| Minerva Advisors LLC (focused) | 296.2k | 0.43% | $5.7M | trimmed -1.7% | 2013 Q4 |
| Needham Investment Management LLC | 286.0k | 0.41% | $5.5M | unchanged | 2015 Q1 |
| Jane Street | 282.9k | 0.41% | $5.5M | opened | 2024 Q2 |
| Qube Research & Technologies LTD | 280.4k | 0.40% | $5.4M | opened | 2026 Q1 |
| Hartree Partners, LP | 241.5k | 0.35% | $4.7M | opened | 2026 Q1 |
| Invesco | 241.1k | 0.35% | $4.7M | added +69% | 2016 Q1 |
| HRT Financial LP | 235.5k | 0.34% | $4.5M | added +389.9% | 2025 Q4 |
| Bank OF America CORP /DE/ | 231.7k | 0.33% | $4.5M | trimmed -1.5% | 2022 Q1 |
| Northern Trust | 204.8k | 0.29% | $4.0M | trimmed -5.4% | 2015 Q2 |
| Marex Group plc | 202.1k | 0.29% | $3.9M | added +117.3% | 2025 Q1 |
| Vanguard Group | 186.8k | 0.27% | $3.6M | trimmed -6.7% | 2025 Q2 |
| 683 Capital Management, LLC | 186.0k | 0.27% | $3.6M | unchanged | 2024 Q4 |
| 1492 Capital Management LLC | 178.0k | 0.26% | $3.4M | added +4.2% | 2022 Q1 |
| Harvey Capital Management INC | 163.8k | 0.24% | $3.2M | trimmed -37.5% | 2024 Q4 |
| AQR Capital | 150.2k | 0.22% | $2.9M | added +57% | 2025 Q3 |
| Ghisallo Capital Management LLC | 150.0k | 0.22% | $2.9M | opened | 2026 Q1 |
| Trexquant Investment LP | 140.4k | 0.20% | $2.7M | trimmed -10.6% | 2023 Q1 |
| Estabrook Capital Management | 139.9k | 0.20% | $2.7M | unchanged | 2013 Q4 |
| Goldman Sachs | 130.1k | 0.19% | $2.5M | added +34.4% | 2022 Q2 |
| Man Group | 127.3k | 0.18% | $2.5M | added +19% | 2022 Q3 |
| GAMCO (Gabelli) | 120.0k | 0.17% | $2.3M | unchanged | 2013 Q4 |
| Martingale Asset Management L P | 115.1k | 0.17% | $2.2M | added +112.2% | 2025 Q4 |
| Steinberg Asset Management LLC (focused) | 102.2k | 0.15% | $2.0M | trimmed -77.8% | 2013 Q4 |
Largest 50 of 173 shown; the full ranked, searchable register is at boothcheck.com/holders/NVGS. 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.