MAGNITE INC COM is a security (CUSIP 55955D100) tracked across SEC portfolio filings. 309 institutional managers reported $1.8B on Form 13F as of 2026-06-30; 29 registered fund positions totaling $139.8M via N-PORT as of 2026-05-31.
Showing 15 of 309 managers by value.
| Manager | Location | Value | Shares |
|---|---|---|---|
| VANGUARD GROUP INC | Valley Forge, PA | $240.2M | 14,802,630 |
| BlackRock, Inc. | New York, NY | $138.5M | 11,657,496 |
| WELLINGTON MANAGEMENT GROUP LLP | BOSTON, MA | $109.2M | 9,191,077 |
| Boston Partners | BOSTON, MA | $95.9M | 5,013,835 |
| Capital Research Global Investors | Los Angeles, CA | $59.6M | 5,020,289 |
| AMERICAN CENTURY COMPANIES INC | KANSAS CITY, MO | $55.0M | 4,626,816 |
| FMR LLC | BOSTON, MA | $53.5M | 4,507,419 |
| DIMENSIONAL FUND ADVISORS LP | AUSTIN, TX | $47.3M | 3,983,674 |
| Nuveen, LLC | CHARLOTTE, NC | $42.6M | 3,590,025 |
| GEODE CAPITAL MANAGEMENT, LLC | BOSTON, MA | $42.2M | 3,553,790 |
| Nine Ten Capital Management LLC | CHICAGO, IL | $41.4M | 3,481,283 |
| Edenbrook Capital, LLC | Mt. Kisco, NY | $40.4M | 2,798,036 |
| STATE STREET CORP | BOSTON, MA | $37.6M | 3,163,139 |
| Blue Grotto Capital, LLC | ATLANTA, GA | $32.4M | 1,706,741 |
| Granahan Investment Management, LLC | WALTHAM, MA | $30.3M | 2,553,413 |
Showing 15 of 29 fund positions by value.
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| SMALLCAP World Fund Inc | SMALLCAP World Fund Inc | $63.5M | 7.83% |
| VANGUARD EXTENDED MARKET INDEX FUND | VANGUARD INDEX FUNDS | $19.0M | 2.33% |
| VANGUARD RUSSELL 2000 INDEX FUND | VANGUARD SCOTTSDALE FUNDS | $10.5M | 5.98% |
| Oberweis Micro-Cap Fund | OBERWEIS FUNDS | $7.4M | 70.18% |
| VANGUARD EXPLORER FUND | VANGUARD EXPLORER FUND | $5.5M | 2.54% |
| U.S. MICRO CAP PORTFOLIO | DFA INVESTMENT DIMENSIONS GROUP INC | $5.3M | 7.10% |
| Embark Small Cap Equity Fund | Harbor Funds II | $3.7M | 64.39% |
| VANGUARD STRATEGIC EQUITY FUND | VANGUARD HORIZON FUNDS | $3.3M | 3.26% |
| Master Small Cap Index Series | Quantitative Master Series LLC | $2.8M | 5.75% |
| ROYCE MICRO-CAP TRUST, INC. | ROYCE MICRO-CAP TRUST, INC. | $2.5M | 36.31% |
| Small Cap Portfolio | BNY MELLON VARIABLE INVESTMENT FUND | $2.5M | 79.15% |
| TIFF MULTI-ASSET FUND | TIFF Investment Program | $2.3M | 16.52% |
| ROYCE SMALL-CAP TRUST, INC. | ROYCE SMALL-CAP TRUST, INC. | $2.2M | 9.85% |
| VIP Balanced Portfolio | Variable Insurance Products Fund III | $2.2M | 2.69% |
| VOYA SMALL COMPANY PORTFOLIO | Voya VARIABLE PORTFOLIOS INC | $1.4M | 74.37% |