# PEDIATRIX MEDICAL GROUP INC COM

PEDIATRIX MEDICAL GROUP INC COM is a security (CUSIP 58502B106) tracked across SEC portfolio filings. 308 institutional managers reported $1.8B on Form 13F as of 2026-06-30; 31 registered fund positions totaling $100.8M via N-PORT as of 2026-05-31.

## Summary

- Issuer: PEDIATRIX MEDICAL GROUP INC
- Class: COM
- CUSIP: 58502B106
- Asset category: EC
- 13F holders: 308
- 13F value: $1.8B
- 13F period: 2026-06-30
- N-PORT fund positions: 31
- N-PORT value: $100.8M
- N-PORT report: 2026-05-31

## Top institutional holders (Form 13F)

_Showing 15 of 308 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| BlackRock, Inc. | New York, NY | $290.4M | 13,574,373 |
| [VANGUARD GROUP INC](https://search.stillhousedata.com/firm/105958) | Valley Forge, PA | $229.4M | 10,724,265 |
| AMERICAN CENTURY COMPANIES INC | KANSAS CITY, MO | $84.0M | 3,925,366 |
| DIMENSIONAL FUND ADVISORS LP | AUSTIN, TX | $82.5M | 3,856,915 |
| VICTORY CAPITAL MANAGEMENT INC | San Antonio, TX | $82.2M | 3,841,933 |
| STATE STREET CORP | BOSTON, MA | $72.3M | 3,378,500 |
| [WASATCH ADVISORS LP](https://search.stillhousedata.com/firm/6081) | SALT LAKE CITY, UT | $63.3M | 2,498,884 |
| FMR LLC | BOSTON, MA | $48.5M | 2,267,434 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/115504) | BOSTON, MA | $46.8M | 2,187,967 |
| D. E. Shaw & Co., Inc. | New York, NY | $36.5M | 1,708,433 |
| [RENAISSANCE TECHNOLOGIES LLC](https://search.stillhousedata.com/firm/106661) | NEW YORK, NY | $32.8M | 1,532,300 |
| [CHARLES SCHWAB INVESTMENT MANAGEMENT INC](https://search.stillhousedata.com/firm/106753) | SAN FRANCISCO, CA | $30.9M | 1,443,391 |
| MORGAN STANLEY | NEW YORK, NY | $26.8M | 1,250,625 |
| FULLER & THALER ASSET MANAGEMENT, INC. | San Mateo, CA | $26.3M | 1,229,431 |
| [SILVERCREST ASSET MANAGEMENT GROUP LLC](https://search.stillhousedata.com/firm/118333) | NEW YORK, NY | $20.8M | 970,610 |

## Top fund holders (N-PORT)

_Showing 15 of 31 fund positions by value._

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $20.0M | 2.46% |
| [VANGUARD STRATEGIC EQUITY FUND](https://search.stillhousedata.com/fund/S000002593) | VANGUARD HORIZON FUNDS | $17.1M | 16.87% |
| [Oberweis Micro-Cap Fund](https://search.stillhousedata.com/fund/S000010231) | OBERWEIS FUNDS | $14.4M | 136.99% |
| [VANGUARD RUSSELL 2000 INDEX FUND](https://search.stillhousedata.com/fund/S000030003) | VANGUARD SCOTTSDALE FUNDS | $9.5M | 5.39% |
| [Royce Small-Cap Total Return Fund](https://search.stillhousedata.com/fund/S000009510) | ROYCE FUND | $7.3M | 86.47% |
| [U.S. MICRO CAP PORTFOLIO](https://search.stillhousedata.com/fund/S000000948) | DFA INVESTMENT DIMENSIONS GROUP INC | $7.0M | 9.41% |
| [AB Small Cap Value Portfolio](https://search.stillhousedata.com/fund/S000045542) | AB CAP FUND, INC. | $3.6M | 60.05% |
| [NORTH SQUARE SMALL CAP VALUE FUND](https://search.stillhousedata.com/fund/S000091143) | Valued Advisers Trust | $3.4M | 163.23% |
| [Master Small Cap Index Series](https://search.stillhousedata.com/fund/S000002716) | Quantitative Master Series LLC | $3.0M | 6.16% |
| [VANGUARD EXPLORER FUND](https://search.stillhousedata.com/fund/S000002578) | VANGUARD EXPLORER FUND | $2.8M | 1.31% |
| ROYCE SMALL-CAP TRUST, INC. | ROYCE SMALL-CAP TRUST, INC. | $2.8M | 12.66% |
| [Royce Capital Fund - Small-Cap Portfolio](https://search.stillhousedata.com/fund/S000009497) | ROYCE CAPITAL FUND | $1.3M | 76.50% |
| [VANGUARD MARKET NEUTRAL FUND](https://search.stillhousedata.com/fund/S000019457) | VANGUARD MONTGOMERY FUNDS | $1.3M | 29.59% |
| [PGIM Jennison Blend Fund](https://search.stillhousedata.com/fund/S000004514) | Prudential Jennison Blend Fund, Inc. | $1.1M | 9.59% |
| [VANGUARD BALANCED INDEX FUND](https://search.stillhousedata.com/fund/S000002560) | VANGUARD VALLEY FORGE FUNDS | $973K | 0.17% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/58502B106.md)
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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.