Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
361 institutional managers reported holding ESTC for the quarter ended Mar 31, 2026. Together they hold about 84% of shares outstanding; the top 10 hold 45%. 50 opened new positions; 128 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| Vanguard Group | 10.34M | 9.73% | $516.8M | added +1.7% | 2018 Q4 |
| AQR Capital | 7.55M | 7.11% | $377.5M | unchanged | 2020 Q1 |
| BlackRock | 6.91M | 6.51% | $345.5M | added +2% | 2018 Q4 |
| Pictet Asset Management Holding SA | 6.49M | 6.11% | $324.6M | added +43.2% | 2020 Q3 |
| D. E. Shaw | 3.46M | 3.26% | $173.1M | added +74% | 2019 Q1 |
| FIL LTD | 3.38M | 3.18% | $168.9M | trimmed -6.9% | 2018 Q4 |
| First Trust Advisors LP | 2.63M | 2.47% | $131.4M | added +516.1% | 2019 Q2 |
| Alyeska Investment Group | 2.36M | 2.22% | $117.9M | added +42.4% | 2022 Q1 |
| Freestone Grove Partners LP | 2.26M | 2.13% | $113.2M | added +216.6% | 2024 Q4 |
| Federated Hermes, INC. | 1.99M | 1.88% | $99.6M | added +92% | 2022 Q4 |
| Millennium Management | 1.81M | 1.71% | $90.7M | added +66.9% | 2020 Q2 |
| Geode Capital | 1.76M | 1.66% | $88.2M | added +2.3% | 2018 Q4 |
| State Street | 1.64M | 1.55% | $82.1M | added +2.2% | 2018 Q4 |
| Goldentree Asset Management LP (focused) | 1.43M | 1.35% | $71.5M | added +118.2% | 2025 Q4 |
| Sylebra Capital LLC (focused) | 1.41M | 1.33% | $70.5M | trimmed -12.8% | 2018 Q4 |
| UBS | 1.40M | 1.32% | $70.1M | added +9.4% | 2018 Q4 |
| Optimus Prime Fund Management CO., LTD. (focused) | 1.22M | 1.15% | $61.2M | unchanged | 2019 Q2 |
| Point72 | 1.12M | 1.05% | $55.9M | trimmed -60.6% | 2019 Q2 |
| BNP Paribas Financial Markets | 1.06M | 1.00% | $52.9M | added +153% | 2019 Q2 |
| Balyasny Asset Management | 948.4k | 0.89% | $47.4M | added +387% | 2025 Q1 |
| Assenagon Asset Management S.a. | 900.0k | 0.85% | $45.0M | added +324.7% | 2024 Q2 |
| Connor, Clark & Lunn Investment Management LTD. | 850.9k | 0.80% | $42.5M | added +1.6% | 2025 Q1 |
| Morgan Stanley | 842.0k | 0.79% | $42.1M | added +24.1% | 2018 Q4 |
| Voya Investment Management LLC | 771.0k | 0.73% | $38.5M | trimmed -39.8% | 2019 Q2 |
| Bank OF Nova Scotia | 752.4k | 0.71% | $37.6M | added +78.8% | 2024 Q4 |
| Charles Schwab Investment Management | 715.0k | 0.67% | $35.7M | added +3.3% | 2018 Q4 |
| Bank OF America CORP /DE/ | 697.4k | 0.66% | $34.9M | trimmed -33.3% | 2018 Q4 |
| Marshall Wace | 696.5k | 0.66% | $34.8M | trimmed -25.9% | 2024 Q1 |
| Panagora Asset Management INC | 661.4k | 0.62% | $33.1M | trimmed -35.9% | 2023 Q3 |
| Philosophy Capital Management LLC (focused) | 635.0k | 0.60% | $31.7M | added +125.9% | 2025 Q4 |
| TimesSquare Capital Management, LLC | 628.7k | 0.59% | $31.4M | trimmed -1.7% | 2018 Q4 |
| No Street GP LP (focused) | 600.0k | 0.56% | $30.0M | added +1.4% | 2024 Q4 |
| SG Americas Securities, LLC | 548.7k | 0.52% | $27.4M | added +6125.6% | 2019 Q2 |
| FMR (Fidelity) | 542.8k | 0.51% | $27.1M | trimmed -38.5% | 2018 Q4 |
| Defiance ETFs, LLC | 533.5k | 0.50% | $26.7M | added +5.3% | 2025 Q4 |
| Penserra Capital Management LLC | 533.5k | 0.50% | $26.7M | added +5.3% | 2021 Q2 |
| Nuveen | 520.1k | 0.49% | $26.0M | added +4.4% | 2019 Q2 |
| Two Sigma | 510.2k | 0.48% | $25.5M | added +22.3% | 2020 Q2 |
| Legal & General Group PLC | 510.1k | 0.48% | $25.5M | added +28.6% | 2018 Q4 |
| Schonfeld Strategic Advisors | 509.6k | 0.48% | $25.5M | added +42.7% | 2022 Q4 |
| Northern Trust | 507.2k | 0.48% | $25.4M | added +2.9% | 2018 Q4 |
| Mirova US LLC | 479.1k | 0.45% | $23.9M | opened | 2026 Q1 |
| Quantinno Capital Management LP | 468.9k | 0.44% | $23.4M | added +13.9% | 2021 Q4 |
| Clearline Capital LP | 441.2k | 0.42% | $22.1M | added +604.3% | 2024 Q1 |
| Ossiam | 403.8k | 0.38% | $20.2M | added +31.2% | 2025 Q2 |
| Goldman Sachs | 399.6k | 0.38% | $20.0M | trimmed -26.5% | 2018 Q4 |
| BNY Mellon | 393.9k | 0.37% | $19.7M | trimmed -18.8% | 2018 Q4 |
| American Century Companies INC | 371.8k | 0.35% | $18.6M | trimmed -10.3% | 2023 Q2 |
| ING Groep NV | 356.4k | 0.34% | $17.8M | trimmed -19.9% | 2024 Q1 |
| Susquehanna International Group | 347.5k | 0.33% | $17.4M | added +137.2% | 2019 Q1 |
Largest 50 of 361 shown; the full ranked, searchable register is at boothcheck.com/holders/ESTC. 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.