Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
285 institutional managers reported holding MD for the quarter ended Mar 31, 2026. Reported positions total over 95% of shares outstanding; the top 10 hold 57%. 33 opened new positions; 43 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| BlackRock | 13.57M | 16.34% | $289.8M | unchanged | ≤2013 |
| Vanguard Group | 10.58M | 12.74% | $225.9M | trimmed -1.5% | ≤2013 |
| American Century Companies INC | 3.93M | 4.72% | $83.8M | added +6.1% | 2023 Q2 |
| Dimensional Fund Advisors | 3.86M | 4.64% | $82.3M | added +8.1% | ≤2013 |
| Victory Capital Management INC | 3.84M | 4.63% | $82.0M | added +0.6% | 2018 Q1 |
| State Street | 3.38M | 4.07% | $72.1M | added +2% | ≤2013 |
| FMR (Fidelity) | 2.27M | 2.73% | $48.4M | trimmed -6.6% | ≤2013 |
| Geode Capital | 2.19M | 2.63% | $46.7M | unchanged | ≤2013 |
| Wasatch Advisors LP | 2.05M | 2.47% | $43.8M | opened | 2026 Q1 |
| D. E. Shaw | 1.71M | 2.06% | $36.5M | trimmed -7.8% | 2017 Q3 |
| Renaissance Technologies | 1.53M | 1.84% | $32.7M | added +12.9% | 2023 Q1 |
| Charles Schwab Investment Management | 1.44M | 1.74% | $30.8M | trimmed -7% | ≤2013 |
| Morgan Stanley | 1.25M | 1.50% | $26.7M | trimmed -4.1% | ≤2013 |
| Fuller & Thaler Asset Management, INC. | 1.23M | 1.48% | $26.2M | unchanged | 2025 Q4 |
| Allspring Global Investments Holdings, LLC | 975.1k | 1.17% | $20.8M | added +52.5% | 2025 Q4 |
| Silvercrest Asset Management Group LLC | 970.6k | 1.17% | $20.7M | trimmed -6% | 2025 Q4 |
| Nuveen | 953.1k | 1.15% | $20.3M | trimmed -20.6% | 2019 Q2 |
| Invesco | 922.2k | 1.11% | $19.7M | trimmed -15.4% | ≤2013 |
| Northern Trust | 900.3k | 1.08% | $19.2M | added +3.2% | ≤2013 |
| Goldman Sachs | 851.5k | 1.02% | $18.2M | added +8.2% | ≤2013 |
| AllianceBernstein | 770.7k | 0.93% | $16.5M | trimmed -5.5% | ≤2013 |
| Rockefeller Capital Management L.p. | 762.5k | 0.92% | $16.3M | added +28.3% | 2025 Q3 |
| Bridgeway Capital Management, LLC | 751.8k | 0.91% | $16.1M | added +1.6% | 2023 Q4 |
| Dana Investment Advisors, INC. | 727.2k | 0.88% | $15.5M | added +12.1% | 2024 Q1 |
| Oberweis Asset Management INC/ | 701.1k | 0.84% | $15.0M | added +25.2% | 2024 Q4 |
| Royce & Associates | 678.8k | 0.82% | $14.5M | added +166.4% | 2023 Q2 |
| Ameriprise Financial INC | 667.1k | 0.80% | $14.2M | trimmed -0.5% | ≤2013 |
| CastleKnight Management LP | 642.0k | 0.77% | $13.7M | added +62.1% | 2024 Q2 |
| Empowered Funds, LLC | 595.5k | 0.72% | $12.7M | trimmed -4.3% | 2023 Q4 |
| LSV Asset Management | 577.0k | 0.69% | $12.3M | added +24.8% | 2023 Q1 |
| BNY Mellon | 568.9k | 0.69% | $12.1M | trimmed -3.1% | ≤2013 |
| AQR Capital | 560.6k | 0.68% | $12.0M | added +1.6% | 2021 Q4 |
| Panagora Asset Management INC | 544.2k | 0.66% | $11.6M | added +4.6% | 2024 Q3 |
| UBS | 537.9k | 0.65% | $11.5M | trimmed -34.9% | ≤2013 |
| Principal Financial Group INC | 477.0k | 0.57% | $10.2M | added +0.5% | ≤2013 |
| Brandes Investment Partners, LP | 465.9k | 0.56% | $9.9M | added +5.4% | 2017 Q4 |
| Hillsdale Investment Management INC. | 463.3k | 0.56% | $9.9M | added +2.9% | 2024 Q4 |
| Raymond James Financial INC | 454.7k | 0.55% | $9.7M | added +65.4% | 2024 Q4 |
| Allianz Asset Management GmbH | 448.4k | 0.54% | $9.6M | added +69% | 2021 Q3 |
| Public Sector Pension Investment Board | 421.4k | 0.51% | $9.0M | added +9.1% | 2020 Q4 |
| Franklin Resources | 415.8k | 0.50% | $8.9M | added +450.6% | 2024 Q3 |
| Envestnet Asset Management INC | 389.2k | 0.47% | $8.3M | added +36% | 2025 Q3 |
| Aristotle Capital Boston, LLC | 387.8k | 0.47% | $8.3M | trimmed -11.9% | 2014 Q4 |
| Bank OF America CORP /DE/ | 379.9k | 0.46% | $8.1M | trimmed -28.3% | ≤2013 |
| CSM Advisors, LLC | 362.3k | 0.44% | $7.7M | added +9.7% | 2025 Q2 |
| Prudential Financial INC | 288.2k | 0.35% | $6.2M | added +3% | ≤2013 |
| ArrowMark Colorado Holdings LLC | 286.7k | 0.34% | $6.1M | trimmed -49.4% | 2016 Q3 |
| O'shaughnessy Asset Management, LLC | 286.3k | 0.34% | $6.1M | added +44.4% | 2024 Q4 |
| Teacher Retirement System OF Texas | 279.3k | 0.34% | $6.0M | trimmed -8.9% | 2024 Q4 |
| BNP Paribas Financial Markets | 276.9k | 0.33% | $5.9M | added +5.2% | 2014 Q1 |
Largest 50 of 285 shown; the full ranked, searchable register is at boothcheck.com/holders/MD. 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.