Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
434 institutional managers reported holding DOCN for the quarter ended Mar 31, 2026. Together they hold about 82% of shares outstanding; the top 10 hold 38%. 119 opened new positions; 44 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| BlackRock | 11.98M | 10.70% | $1.02B | added +16.8% | 2021 Q1 |
| Vanguard Group | 10.11M | 9.03% | $864.5M | added +12.1% | 2021 Q1 |
| Hood River Capital Management LLC | 3.49M | 3.12% | $298.3M | added +206.4% | 2022 Q2 |
| Wellington Management | 2.96M | 2.64% | $253.0M | added +393.6% | 2024 Q1 |
| State Street | 2.89M | 2.58% | $247.0M | added +15.5% | 2021 Q1 |
| Fuller & Thaler Asset Management, INC. | 2.56M | 2.29% | $219.2M | added +5.9% | 2023 Q4 |
| T. Rowe Price | 2.47M | 2.20% | $210.9M | added +2473.4% | 2021 Q3 |
| Citadel Advisors | 2.29M | 2.04% | $195.8M | added +12.9% | 2021 Q1 |
| AllianceBernstein | 2.28M | 2.04% | $195.1M | added +2623.7% | 2021 Q1 |
| Geode Capital | 1.87M | 1.67% | $159.7M | added +15.8% | 2021 Q2 |
| Bank OF America CORP /DE/ | 1.74M | 1.55% | $148.9M | added +43.1% | 2021 Q1 |
| Goldman Sachs | 1.69M | 1.51% | $144.9M | added +10% | 2021 Q1 |
| UBS | 1.60M | 1.43% | $137.2M | trimmed -26% | 2021 Q1 |
| FMR (Fidelity) | 1.56M | 1.40% | $133.5M | added +12682.1% | 2021 Q1 |
| Ameriprise Financial INC | 1.50M | 1.34% | $128.2M | added +429.3% | 2021 Q1 |
| BNP Paribas Financial Markets | 1.50M | 1.34% | $128.0M | added +179.9% | 2024 Q4 |
| First Trust Advisors LP | 1.44M | 1.29% | $123.3M | added +9.3% | 2021 Q3 |
| Dimensional Fund Advisors | 1.35M | 1.21% | $115.8M | unchanged | 2021 Q3 |
| Van Berkom & Associates INC. | 1.29M | 1.16% | $110.7M | trimmed -19.7% | 2022 Q3 |
| Arrowstreet Capital | 1.19M | 1.06% | $101.7M | unchanged | 2024 Q3 |
| Principal Financial Group INC | 1.11M | 0.99% | $94.8M | added +155.3% | 2021 Q2 |
| Royal Bank OF Canada | 1.04M | 0.93% | $88.9M | trimmed -2.4% | 2021 Q1 |
| Franklin Resources | 1.01M | 0.90% | $86.2M | added +103.9% | 2023 Q1 |
| Summit Partners Public Asset Management, LLC | 937.1k | 0.84% | $80.2M | added +230% | 2025 Q4 |
| Oberweis Asset Management INC/ | 927.5k | 0.83% | $79.3M | added +19.1% | 2024 Q3 |
| Jacobs Levy Equity Management, INC | 914.0k | 0.82% | $78.2M | trimmed -43% | 2022 Q3 |
| Neuberger Berman Group LLC | 888.0k | 0.79% | $76.0M | added +1426.9% | 2025 Q4 |
| Morgan Stanley | 888.0k | 0.79% | $76.0M | added +40.4% | 2021 Q1 |
| Point72 | 880.6k | 0.79% | $75.3M | added +48.6% | 2025 Q3 |
| Charles Schwab Investment Management | 845.2k | 0.76% | $72.3M | added +12% | 2021 Q2 |
| Northern Trust | 841.3k | 0.75% | $72.0M | added +10.1% | 2021 Q2 |
| Allspring Global Investments Holdings, LLC | 683.7k | 0.61% | $58.5M | added +81.3% | 2021 Q4 |
| Jane Street | 669.5k | 0.60% | $57.3M | added +758% | 2021 Q2 |
| TCW Group INC | 596.6k | 0.53% | $51.0M | added +19.6% | 2025 Q3 |
| BNY Mellon | 592.1k | 0.53% | $50.7M | trimmed -9.4% | 2021 Q2 |
| Cooper Creek Partners Management LLC | 539.4k | 0.48% | $46.1M | opened | 2026 Q1 |
| Driehaus Capital Management LLC | 524.2k | 0.47% | $44.8M | opened | 2026 Q1 |
| Lord, Abbett & CO. LLC | 499.6k | 0.45% | $42.7M | opened | 2026 Q1 |
| Gladstone Capital Management LLP (focused) | 496.7k | 0.44% | $42.5M | opened | 2026 Q1 |
| Invesco | 466.0k | 0.42% | $39.9M | added +61.5% | 2021 Q3 |
| Frontier Capital Management CO LLC | 457.2k | 0.41% | $39.1M | trimmed -52% | 2025 Q1 |
| Nuveen | 448.1k | 0.40% | $38.3M | added +192.7% | 2021 Q2 |
| Blair William & CO/IL | 426.6k | 0.38% | $36.5M | added +1613.2% | 2022 Q1 |
| Federated Hermes, INC. | 404.1k | 0.36% | $34.6M | trimmed -19.2% | 2025 Q3 |
| Voya Investment Management LLC | 387.7k | 0.35% | $33.2M | added +3190.8% | 2021 Q2 |
| Ghisallo Capital Management LLC | 380.0k | 0.34% | $32.5M | opened | 2026 Q1 |
| Burkehill Global Management, LP | 380.0k | 0.34% | $32.5M | opened | 2026 Q1 |
| SEI Investments CO | 370.2k | 0.33% | $31.7M | added +82.8% | 2021 Q3 |
| LMR Partners LLP | 356.0k | 0.32% | $30.5M | trimmed -42.6% | 2025 Q4 |
| Fred Alger Management, LLC | 344.8k | 0.31% | $29.5M | opened | 2026 Q1 |
Largest 50 of 434 shown; the full ranked, searchable register is at boothcheck.com/holders/DOCN. 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.