Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
507 institutional managers reported holding MANH for the quarter ended Mar 31, 2026. Reported positions total over 95% of shares outstanding; the top 10 hold 58%. 61 opened new positions; 121 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| Vanguard Group | 7.04M | 11.72% | $936.6M | added +1% | ≤2013 |
| BlackRock | 6.84M | 11.40% | $911.0M | added +9.3% | ≤2013 |
| T. Rowe Price Investment Management, INC. | 3.54M | 5.90% | $471.8M | added +106.8% | 2022 Q3 |
| FMR (Fidelity) | 3.30M | 5.50% | $439.7M | added +8% | 2018 Q2 |
| AQR Capital | 3.16M | 5.27% | $420.9M | added +42.5% | ≤2013 |
| AllianceBernstein | 3.12M | 5.19% | $414.6M | trimmed -1.3% | ≤2013 |
| Morgan Stanley | 2.83M | 4.71% | $376.7M | added +29.9% | ≤2013 |
| State Street | 1.86M | 3.10% | $247.9M | added +1.2% | ≤2013 |
| Geode Capital | 1.81M | 3.02% | $241.3M | added +3.4% | ≤2013 |
| Swedbank Robur | 1.50M | 2.50% | $199.7M | added +25% | 2023 Q3 |
| BNP Paribas Financial Markets | 1.42M | 2.36% | $188.7M | added +16.5% | ≤2013 |
| Invesco | 1.24M | 2.07% | $165.2M | added +48.1% | ≤2013 |
| Kayne Anderson Rudnick Investment Management LLC | 1.09M | 1.82% | $145.7M | trimmed -2.2% | 2016 Q1 |
| UBS | 1.04M | 1.74% | $139.1M | added +137.9% | ≤2013 |
| Neuberger Berman Group LLC | 966.7k | 1.61% | $128.7M | trimmed -0.8% | ≤2013 |
| Jacobs Levy Equity Management, INC | 847.6k | 1.41% | $112.8M | trimmed -2.1% | 2023 Q2 |
| Marshall Wace | 773.8k | 1.29% | $103.0M | added +459.8% | 2024 Q4 |
| TD Asset Management INC | 728.7k | 1.21% | $97.0M | unchanged | 2020 Q4 |
| Lazard Asset Management LLC | 699.8k | 1.17% | $93.1M | trimmed -1.6% | 2020 Q1 |
| Sumitomo Mitsui Trust Group, INC. | 673.6k | 1.12% | $89.7M | added +2% | 2021 Q3 |
| Bessemer Group INC | 670.4k | 1.12% | $89.2M | added +6.2% | 2018 Q2 |
| Renaissance Technologies | 654.8k | 1.09% | $87.1M | added +28.5% | 2018 Q3 |
| Dimensional Fund Advisors | 642.8k | 1.07% | $85.6M | added +16.5% | ≤2013 |
| Northern Trust | 635.0k | 1.06% | $84.5M | unchanged | ≤2013 |
| William Blair Investment Management, LLC | 629.3k | 1.05% | $83.8M | trimmed -4.7% | 2024 Q3 |
| Royal Bank OF Canada | 563.8k | 0.94% | $75.0M | added +14.1% | ≤2013 |
| Arrowstreet Capital | 546.4k | 0.91% | $72.7M | added +50% | 2017 Q3 |
| Bank OF America CORP /DE/ | 504.9k | 0.84% | $67.2M | added +25.8% | ≤2013 |
| Stephens Investment Management Group LLC | 502.7k | 0.84% | $66.9M | added +15.6% | 2014 Q3 |
| Epoch Investment Partners, INC. | 460.5k | 0.77% | $61.3M | trimmed -11.9% | 2021 Q4 |
| Amundi | 454.1k | 0.76% | $60.4M | added +479.4% | 2017 Q4 |
| Charles Schwab Investment Management | 446.1k | 0.74% | $59.4M | added +4.3% | ≤2013 |
| Nomura Asset Management International INC. | 418.9k | 0.70% | $55.8M | added +4.7% | 2024 Q2 |
| BNY Mellon | 395.9k | 0.66% | $52.7M | trimmed -2.7% | ≤2013 |
| DF Dent & CO INC | 388.6k | 0.65% | $51.7M | trimmed -14.9% | 2022 Q2 |
| American Capital Management INC | 357.8k | 0.60% | $47.6M | trimmed -2.5% | ≤2013 |
| Goldman Sachs | 349.9k | 0.58% | $46.6M | unchanged | ≤2013 |
| Caisse de depot et placement du Quebec | 306.3k | 0.51% | $40.8M | added +17.7% | 2023 Q3 |
| Russell Investments Group, LTD. | 295.9k | 0.49% | $39.4M | added +9.2% | 2016 Q4 |
| Federated Hermes, INC. | 281.7k | 0.47% | $37.5M | added +69.8% | ≤2013 |
| Captrust Financial Advisors | 267.2k | 0.45% | $35.6M | trimmed -9.5% | 2017 Q4 |
| D. E. Shaw | 248.5k | 0.41% | $33.1M | trimmed -9.3% | 2020 Q4 |
| Two Sigma | 228.5k | 0.38% | $30.4M | added +68.7% | 2020 Q3 |
| Gw&k Investment Management, LLC | 225.7k | 0.38% | $30.0M | trimmed -2.5% | 2021 Q2 |
| M&G PLC | 212.9k | 0.35% | $28.3M | trimmed -4.1% | 2019 Q4 |
| Franklin Resources | 207.1k | 0.34% | $27.6M | trimmed -75.4% | 2019 Q2 |
| Panagora Asset Management INC | 204.4k | 0.34% | $27.2M | added +29.6% | ≤2013 |
| Premier Fund Managers LTD | 182.3k | 0.30% | $24.3M | added +7% | 2024 Q2 |
| Rhumbline Advisers | 181.1k | 0.30% | $24.1M | added +1.5% | ≤2013 |
| SEI Investments CO | 170.7k | 0.28% | $22.7M | added +48.1% | ≤2013 |
Largest 50 of 507 shown; the full ranked, searchable register is at boothcheck.com/holders/MANH. 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.