Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
376 institutional managers reported holding LBRT for the quarter ended Mar 31, 2026. Reported positions total over 95% of shares outstanding; the top 10 hold 53%. 90 opened new positions; 50 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| BlackRock | 25.71M | 15.46% | $740.4M | added +5.5% | 2018 Q1 |
| Vanguard Group | 18.81M | 11.32% | $541.9M | added +3.8% | 2018 Q1 |
| Dimensional Fund Advisors | 9.23M | 5.55% | $265.9M | added +4.9% | 2019 Q1 |
| American Century Companies INC | 7.70M | 4.63% | $221.7M | added +6.6% | 2022 Q2 |
| State Street | 6.88M | 4.14% | $198.1M | unchanged | 2018 Q1 |
| Arrowstreet Capital | 4.43M | 2.67% | $127.6M | added +901.2% | 2025 Q2 |
| Nomura Asset Management International INC. | 4.13M | 2.48% | $118.9M | added +19.8% | 2025 Q1 |
| Franklin Resources | 3.97M | 2.39% | $114.3M | trimmed -16.9% | 2018 Q1 |
| Geode Capital | 3.91M | 2.35% | $112.7M | added +3% | 2018 Q1 |
| T. Rowe Price Investment Management, INC. | 3.81M | 2.29% | $109.6M | added +273% | 2022 Q3 |
| VAN ECK Associates CORP | 3.30M | 1.99% | $95.1M | added +35.7% | 2020 Q3 |
| Charles Schwab Investment Management | 3.03M | 1.82% | $87.2M | trimmed -5.8% | 2018 Q1 |
| Ensign Peak Advisors, INC | 2.71M | 1.63% | $77.9M | trimmed -5.9% | 2021 Q4 |
| Frontier Capital Management CO LLC | 2.49M | 1.50% | $71.8M | added +1277% | 2025 Q4 |
| Fuller & Thaler Asset Management, INC. | 2.48M | 1.49% | $71.4M | opened | 2026 Q1 |
| Eventide Asset Management, LLC | 2.40M | 1.45% | $69.2M | added +22% | 2025 Q4 |
| D. E. Shaw | 2.26M | 1.36% | $65.0M | added +70.3% | 2022 Q2 |
| Morgan Stanley | 1.97M | 1.18% | $56.7M | added +21.8% | 2018 Q1 |
| BNY Mellon | 1.77M | 1.06% | $50.9M | trimmed -10.5% | 2018 Q1 |
| Deutsche Bank AG\ | 1.76M | 1.06% | $50.6M | added +271.6% | 2018 Q1 |
| Goldman Sachs | 1.63M | 0.98% | $47.0M | added +112.8% | 2018 Q2 |
| Ameriprise Financial INC | 1.62M | 0.98% | $46.8M | added +322.6% | 2018 Q4 |
| Northern Trust | 1.61M | 0.97% | $46.4M | added +4.1% | 2018 Q1 |
| UBS | 1.50M | 0.90% | $43.2M | added +39% | 2018 Q2 |
| Bank OF America CORP /DE/ | 1.49M | 0.90% | $43.0M | trimmed -11.7% | 2018 Q1 |
| Millennium Management | 1.48M | 0.89% | $42.5M | trimmed -55.1% | 2020 Q4 |
| FMR (Fidelity) | 1.47M | 0.88% | $42.2M | added +47.3% | 2018 Q1 |
| Citadel Advisors | 1.29M | 0.78% | $37.1M | added +569.7% | 2021 Q1 |
| Holocene Advisors | 1.27M | 0.77% | $36.7M | trimmed -24.6% | 2024 Q4 |
| Value Aligned Research Advisors, LLC | 1.26M | 0.76% | $36.4M | opened | 2026 Q1 |
| Principal Financial Group INC | 1.16M | 0.70% | $33.4M | trimmed -0.5% | 2021 Q2 |
| Invesco | 1.13M | 0.68% | $32.4M | added +4.8% | 2018 Q1 |
| Citigroup INC | 1.10M | 0.66% | $31.6M | added +336.1% | 2018 Q1 |
| Bridgeway Capital Management, LLC | 1.09M | 0.65% | $31.3M | trimmed -12.2% | 2023 Q3 |
| SIR Capital Management, L.p. | 1.07M | 0.65% | $30.9M | added +502.2% | 2025 Q1 |
| Wells Fargo & COMPANY/MN | 1.06M | 0.64% | $30.4M | added +374.2% | 2018 Q1 |
| Merewether Investment Management, LP | 1.03M | 0.62% | $29.7M | added +8.5% | 2025 Q4 |
| SEI Investments CO | 983.7k | 0.59% | $28.3M | added +54.3% | 2018 Q1 |
| Boston Partners | 884.1k | 0.53% | $25.5M | added +7.4% | 2025 Q2 |
| Driehaus Capital Management LLC | 870.1k | 0.52% | $25.1M | added +23% | 2025 Q4 |
| Manufacturers Life Insurance Company, THE | 835.4k | 0.50% | $24.1M | trimmed -42.6% | 2018 Q1 |
| Squarepoint Ops LLC | 831.9k | 0.50% | $24.0M | trimmed -14% | 2018 Q3 |
| Jane Street | 820.2k | 0.49% | $23.6M | added +172.9% | 2020 Q4 |
| AQR Capital | 806.4k | 0.48% | $23.2M | added +14.8% | 2022 Q1 |
| Empowered Funds, LLC | 785.1k | 0.47% | $22.6M | trimmed -14.3% | 2023 Q1 |
| Hawk Ridge Capital Management LP (focused) | 767.2k | 0.46% | $22.1M | trimmed -14.2% | 2025 Q3 |
| Gendell Jeffrey L | 750.0k | 0.45% | $21.6M | trimmed -2.8% | 2022 Q4 |
| South Dakota Investment Council | 747.2k | 0.45% | $21.5M | trimmed -17.6% | 2022 Q1 |
| Nuveen | 736.1k | 0.44% | $21.2M | added +8.3% | 2019 Q2 |
| BNP Paribas Financial Markets | 725.5k | 0.44% | $20.9M | added +1268.7% | 2018 Q1 |
Largest 50 of 376 shown; the full ranked, searchable register is at boothcheck.com/holders/LBRT. 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.