Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
157 institutional managers reported holding BKV for the quarter ended Mar 31, 2026. Together they hold about 39% of shares outstanding; the top 10 hold 20%. 41 opened new positions; 35 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| DME Capital Management, LP (focused) | 2.70M | 2.63% | $76.8M | added +109.3% | 2025 Q4 |
| Goldman Sachs | 2.22M | 2.17% | $63.3M | added +13.7% | 2024 Q3 |
| Boston Partners | 2.21M | 2.16% | $62.8M | added +6.8% | 2024 Q3 |
| Vanguard Group | 2.11M | 2.06% | $60.1M | added +34.5% | 2024 Q3 |
| Cooper Creek Partners Management LLC | 2.10M | 2.06% | $59.9M | added +24.7% | 2025 Q2 |
| BlackRock | 2.08M | 2.03% | $59.2M | added +20.4% | 2024 Q4 |
| Yaupon Capital Management LP | 2.04M | 1.99% | $58.1M | added +172% | 2024 Q3 |
| Zimmer Partners, LP | 1.95M | 1.90% | $55.4M | added +290% | 2025 Q4 |
| Merewether Investment Management, LP | 1.65M | 1.61% | $46.9M | trimmed -1.8% | 2024 Q3 |
| UBS | 1.45M | 1.41% | $41.2M | added +79.8% | 2024 Q3 |
| State Street | 1.37M | 1.34% | $39.1M | added +67.9% | 2024 Q4 |
| William Blair Investment Management, LLC | 1.15M | 1.13% | $32.9M | added +4.8% | 2025 Q1 |
| Hite Hedge Asset Management LLC | 855.5k | 0.84% | $24.4M | trimmed -14.5% | 2024 Q3 |
| Bank OF America CORP /DE/ | 837.3k | 0.82% | $23.8M | added +54% | 2024 Q4 |
| Aventail Capital Group, LP | 745.6k | 0.73% | $21.2M | added +155.4% | 2024 Q3 |
| Geode Capital | 743.4k | 0.73% | $21.2M | added +33.6% | 2024 Q4 |
| Walleye Capital LLC | 659.1k | 0.64% | $18.8M | added +52.1% | 2024 Q4 |
| Dimensional Fund Advisors | 654.1k | 0.64% | $18.6M | added +256.2% | 2025 Q4 |
| Ghisallo Capital Management LLC | 650.0k | 0.64% | $18.5M | added +116.7% | 2024 Q3 |
| Covalis Capital LLP | 604.2k | 0.59% | $17.2M | added +705.6% | 2025 Q4 |
| BNY Mellon | 544.9k | 0.53% | $15.5M | added +13% | 2024 Q4 |
| GeoSphere Capital Management, LLC (focused) | 541.7k | 0.53% | $15.4M | trimmed -2.4% | 2024 Q3 |
| Arrowstreet Capital | 537.2k | 0.53% | $15.3M | opened | 2025 Q3 |
| Russell Investments Group, LTD. | 517.4k | 0.51% | $14.7M | added +18.6% | 2024 Q3 |
| Citadel Advisors | 508.2k | 0.50% | $14.5M | added +2155.8% | 2025 Q4 |
| First Trust Advisors LP | 433.3k | 0.42% | $12.3M | added +95.6% | 2025 Q2 |
| Corigliano Investment Advisers, LLC (focused) | 413.1k | 0.40% | $11.8M | added +89.8% | 2025 Q2 |
| Qube Research & Technologies LTD | 370.1k | 0.36% | $10.5M | opened | 2025 Q1 |
| SummitTX Capital, L.p. | 367.8k | 0.36% | $10.5M | added +15.3% | 2025 Q1 |
| Two Sigma | 366.1k | 0.36% | $10.4M | added +86.4% | 2025 Q3 |
| Nuveen | 354.0k | 0.35% | $10.1M | trimmed -22.4% | 2024 Q4 |
| Value Aligned Research Advisors, LLC | 323.1k | 0.32% | $9.2M | added +68% | 2025 Q3 |
| American Century Companies INC | 314.9k | 0.31% | $9.0M | added +286.2% | 2025 Q1 |
| Charles Schwab Investment Management | 278.6k | 0.27% | $7.9M | added +39.4% | 2024 Q4 |
| Northern Trust | 245.6k | 0.24% | $7.0M | added +26.1% | 2024 Q4 |
| Voloridge Investment Management | 238.4k | 0.23% | $6.8M | trimmed -7.4% | 2025 Q2 |
| Vennlight Capital Management, LP (focused) | 235.4k | 0.23% | $6.7M | opened | 2026 Q1 |
| Deutsche Bank AG\ | 232.7k | 0.23% | $6.6M | added +2019.7% | 2024 Q4 |
| Sapient Capital LLC | 230.2k | 0.23% | $6.6M | added +2541.5% | 2025 Q4 |
| Morgan Stanley | 223.3k | 0.22% | $6.4M | trimmed -22.9% | 2024 Q3 |
| Philadelphia Financial Management of San Francisco, LLC (focused) | 214.9k | 0.21% | $6.1M | opened | 2026 Q1 |
| CenterBook Partners LP | 202.3k | 0.20% | $5.8M | opened | 2026 Q1 |
| Burkehill Global Management, LP | 200.0k | 0.20% | $5.7M | trimmed -33.3% | 2025 Q4 |
| Seven Grand Managers, LLC | 200.0k | 0.20% | $5.7M | added +300% | 2025 Q4 |
| Squarepoint Ops LLC | 160.6k | 0.16% | $4.6M | added +34.5% | 2024 Q3 |
| Prelude Capital Management, LLC | 152.5k | 0.15% | $4.3M | added +175% | 2025 Q4 |
| Prudential Financial INC | 135.2k | 0.13% | $3.9M | added +28.3% | 2025 Q2 |
| Oxbow Advisors, LLC | 130.1k | 0.13% | $3.7M | opened | 2026 Q1 |
| Marshall Wace | 123.6k | 0.12% | $3.5M | opened | 2026 Q1 |
| Citigroup INC | 90.2k | 0.09% | $2.6M | added +541.1% | 2024 Q3 |
Largest 50 of 157 shown; the full ranked, searchable register is at boothcheck.com/holders/BKV. 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.