Pediatrix Medical GroupMD
13F holders, Q1 2025 (March 31)241holders +12
34new positions
19sold out
7famous investors
$14.48avg. 13F price*
At the end of Q1 2025, 241 institutions reported holding Pediatrix Medical Group Inc. (MD) in their 13F filings, up 12 from Q4 2024. 34 opened new positions and 19 sold out. The largest holders were BlackRock, Inc. ($203.2M), Vanguard Group Inc. ($156.4M) and Alliancebernstein L.P. ($99.3M). 7 famous investors held it, including David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Joel Greenblatt (0.0% of Gotham Asset Management's portfolio).
- Company
- Pediatrix Medical Group Inc.
- CUSIP
- 58502B106
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2024 → Q1 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 34 | $13.4M |
| Exits | 19 | $7.0M |
All 13F filers, Q4 2024 → Q1 2025: 3,018,372 shares bought and 5,160,865 shares sold, net −2,142,493 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 241 holders
| BlackRock, Inc. | 0.00% | Reduce -1.1% | 14,026,480 | $203.2M |
| Vanguard Group Inc. | 0.00% | Reduce -0.1% | 10,796,650 | $156.4M |
| Alliancebernstein L.P. | 0.04% | Reduce -6.8% | 6,852,691 | $99.3M |
| State Street Corp. | 0.00% | Reduce -1.6% | 3,526,084 | $51.1M |
| Dimensional Fund Advisors LP | 0.01% | Reduce -2.7% | 3,170,537 | $45.9M |
| Rubric Capital Management LP | 0.81% | Reduce -0.5% | 3,133,299 | $45.4M |
| FMR LLC | 0.00% | Add +0.0% | 2,906,458 | $42.1M |
| Geode Capital Management, LLC | 0.00% | Add +3.4% | 2,014,128 | $29.2M |
| Boston Partners | 0.03% | Add +1.3% | 1,981,889 | $28.0M |
| D. E. Shaw & Co. | 0.03% | Reduce -12.7% | 1,872,177 | $27.1M |
| American Century Companies Inc. | 0.01% | Reduce -13.7% | 1,501,838 | $21.8M |
| Morgan Stanley | 0.00% | Add +0.8% | 1,323,320 | $19.2M |
| Renaissance Technologies | 0.03% | Add +45.6% | 1,221,000 | $17.7M |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -2.9% | 1,124,952 | $16.3M |
| Pacer Advisors, Inc. | 0.04% | Reduce -63.3% | 992,948 | $14.4M |
| Northern Trust Corp. | 0.00% | Reduce -2.1% | 946,000 | $13.7M |
| JPMorgan Chase & Co. | 0.00% | Add +0.2% | 933,108 | $13.5M |
| Invesco Ltd. | 0.00% | Add +9.3% | 863,269 | $12.5M |
| ArrowMark Colorado Holdings LLC | 0.19% | Reduce -1.5% | 791,201 | $11.5M |
| Prudential Financial Inc. | 0.02% | Reduce -2.6% | 787,667 | $11.4M |
| Dana Investment Advisors, Inc. | 0.40% | Reduce -6.8% | 770,941 | $11.2M |
| Segall Bryant & Hamill, LLC | 0.16% | Reduce -6.0% | 734,786 | $10.6M |
| Qube Research & Technologies Ltd | 0.02% | Reduce -5.3% | 720,930 | $10.4M |
| Brandes Investment Partners, LP | 0.10% | Reduce -12.1% | 690,158 | $10.0M |
| Bank of New York Mellon Corp | 0.00% | Reduce -3.1% | 608,816 | $8.8M |
| Bank of America Corp. | 0.00% | Add +75.8% | 594,008 | $8.6M |
| Principal Financial Group Inc. | 0.00% | Add +6.2% | 586,190 | $8.5M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -15.3% | 565,754 | $8.2M |
| Bridgeway Capital Management, LLC | 0.20% | Add +1.6% | 554,452 | $8.0M |
| Nuveen, LLC | 0.00% | — | 553,742 | $8.0M |
| Oberweis Asset Management Inc./ | 0.39% | Add +16.9% | 545,600 | $7.9M |
| Aristotle Capital Boston, LLC | 0.38% | Reduce -19.3% | 530,178 | $7.7M |
| AQR Capital Management | 0.01% | Add +3.3% | 458,880 | $6.5M |
| CastleKnight Management LP | 0.67% | Reduce -2.6% | 413,900 | $6.0M |
| Teacher Retirement System of Texas | 0.02% | Add +92.3% | 371,756 | $5.4M |
| Panagora Asset Management Inc. | 0.03% | Add +17.7% | 356,982 | $5.2M |
| Empowered Funds, LLC | 0.06% | Add +3.2% | 289,452 | $4.2M |
| Citadel Advisors | 0.00% | Reduce -47.2% | 280,440 | $4.1M |
| Marshall Wace, LLP | 0.01% | New | 271,736 | $3.9M |
| Ameriprise Financial Inc. | 0.00% | Add +2.1% | 270,287 | $3.9M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +4.8% | 268,506 | $3.9M |
| Public Sector Pension Investment Board | 0.02% | Add +27.3% | 268,076 | $3.9M |
| Trexquant Investment LP | 0.04% | Reduce -39.0% | 263,145 | $3.8M |
| Nomura Holdings Inc. | 0.02% | Reduce -12.0% | 260,456 | $3.8M |
| Nordea Investment Management AB | 0.00% | Add +0.2% | 264,060 | $3.7M |
| LSV Asset Management | 0.01% | Add +623.0% | 248,000 | $3.6M |
| Raymond James Financial Inc. | 0.00% | Add +1.1% | 236,323 | $3.4M |
| Legal & General Group Plc | 0.00% | Reduce -2.2% | 233,588 | $3.4M |
| Russell Investments Group, Ltd. | 0.00% | Add +2.9% | 219,184 | $3.2M |
| Rhumbline Advisers | 0.00% | Reduce -3.5% | 216,946 | $3.1M |
| Jane Street Group, LLC | 0.01% | Reduce -11.7% | 214,137 | $3.1M |
| Clark Estates Inc. | 0.63% | Reduce -27.6% | 204,613 | $3.0M |
| Royce & Associates LP | 0.03% | Reduce -2.2% | 201,631 | $2.9M |
| AXA S.A. | 0.01% | Add +12.3% | 197,681 | $2.9M |
| Swiss National Bank | 0.00% | Reduce -1.5% | 166,300 | $2.4M |
| Federated Hermes, Inc. | 0.01% | Reduce -2.2% | 163,503 | $2.4M |
| Bridge City Capital, LLC | 0.65% | Add +1.2% | 150,655 | $2.2M |
| LPL Financial LLC | 0.00% | Add +55.5% | 144,318 | $2.1M |
| UBS Group AG | 0.00% | Add +2.7% | 141,370 | $2.0M |
| Sei Investments Co. | 0.00% | Add +5.2% | 140,572 | $2.0M |
| New York State Teachers Retirement System | 0.00% | Add +1.9% | 133,313 | $1.9M |
| Susquehanna International Group, LLP | 0.00% | Add +112.3% | 133,092 | $1.9M |
| RBF Capital, LLC | 0.12% | No change | 130,000 | $1.9M |
| Citigroup Inc. | 0.00% | Add +5.3% | 129,515 | $1.9M |
| Sandler Capital Management | 0.59% | New | 124,761 | $1.8M |
| Barclays PLC | 0.00% | Reduce -20.0% | 121,107 | $1.8M |
| SummerHaven Investment Management, LLC | 1.14% | Add +0.9% | 112,327 | $1.6M |
| WINTON GROUP Ltd | 0.07% | Reduce -5.5% | 85,036 | $1.2M |
| Hussman Strategic Advisors, Inc. | 0.29% | New | 84,000 | $1.2M |
| Millennium Management | 0.00% | Add +132.2% | 81,744 | $1.2M |
| T. Rowe Price Associates Inc. | 0.00% | Add +4.1% | 80,585 | $1.2M |
| California State Teachers Retirement System | 0.00% | No change | 80,327 | $1.2M |
| South Dakota Investment Council | 0.02% | No change | 79,654 | $1.2M |
| Pathstone Holdings, LLC | 0.01% | Add +15.3% | 79,156 | $1.1M |
| Graham Capital Management, L.P. | 0.05% | Add +119.0% | 77,309 | $1.1M |
| Federation des caisses Desjardins du Quebec | 0.01% | No change | 75,691 | $1.1M |
| Intech Investment Management LLC | 0.01% | Add +34.6% | 75,561 | $1.1M |
| Gotham Asset Management | 0.01% | Add +36.4% | 74,547 | $1.1M |
| Integrated Quantitative Investments LLC | 0.53% | New | 74,040 | $1.1M |
| CANADA LIFE ASSURANCE Co | 0.00% | Reduce -13.5% | 68,871 | $999K |
| Martingale Asset Management L P | 0.03% | Reduce -15.3% | 68,560 | $993K |
| Deutsche Bank AG | 0.00% | Reduce -9.4% | 67,025 | $971K |
| Victory Capital Management Inc. | 0.00% | Reduce -12.5% | 66,955 | $970K |
| Wells Fargo & Company | 0.00% | Add +0.8% | 66,572 | $965K |
| Thrivent Financial for Lutherans | 0.00% | Reduce -5.0% | 62,227 | $902K |
| BNP Paribas Financial Markets | 0.00% | Add +77.9% | 61,882 | $897K |
| New York State Common Retirement Fund | 0.00% | No change | 61,211 | $887K |
| Franklin Resources Inc. | 0.00% | Add +22.5% | 59,419 | $861K |
| HRT Financial LP | 0.01% | New | 58,027 | $840K |
| Algert Global LLC | 0.02% | No change | 57,835 | $838K |
| Brant Point Investment Management LLC | 0.19% | Reduce -24.2% | 54,327 | $787K |
| MetLife Investment Management, LLC | 0.00% | Reduce -2.0% | 52,487 | $761K |
| Ieq Capital, LLC | 0.01% | Add +27.7% | 52,181 | $756K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +4.6% | 51,253 | $743K |
| State of Tennessee, Department of Treasury | 0.00% | Add +14.1% | 50,100 | $726K |
| Tejara Capital Ltd | 0.36% | New | 50,000 | $725K |
| Ensign Peak Advisors, Inc | 0.00% | No change | 49,454 | $717K |
| Engineers Gate Manager LP | 0.01% | Reduce -16.7% | 47,844 | $693K |
| STRS Ohio | 0.00% | Reduce -9.2% | 47,600 | $690K |
| State of Alaska, Department of Revenue | 0.01% | Reduce -2.3% | 46,834 | $678K |
"% of holder's portfolio" is MD's weight in each manager's 13F, not the share of Pediatrix Medical Group Inc. the manager owns.