Pediatrix Medical GroupMD
13F holders, Q1 2026 (March 31)297holders −2
32new positions
34sold out
6famous investors
$21.38avg. 13F price*
At the end of Q1 2026, 297 institutions reported holding Pediatrix Medical Group Inc. (MD) in their 13F filings, down 2 from Q4 2025. 32 opened new positions and 34 sold out. The largest holders were BlackRock, Inc. ($290.4M), Vanguard Portfolio Management LLC ($131.6M) and American Century Companies Inc. ($84.0M). 6 famous investors held it, including Jim Simons / Peter Brown (0.1% of Renaissance Technologies's portfolio), David E. Shaw (0.0% of D. E. Shaw & Co.'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 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 32 | $53.1M |
| Exits | 34 | $42.7M |
All 13F filers, Q4 2025 → Q1 2026: 6,815,486 shares bought and 5,979,019 shares sold, net +836,467 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 297 holders
| BlackRock, Inc. | 0.01% | Add +0.1% | 13,574,373 | $290.4M |
| Vanguard Portfolio Management LLC | 0.01% | — | 6,154,126 | $131.6M |
| American Century Companies Inc. | 0.04% | Add +6.1% | 3,925,366 | $84.0M |
| Dimensional Fund Advisors LP | 0.02% | Add +8.1% | 3,856,915 | $82.5M |
| Victory Capital Management Inc. | 0.05% | Add +0.6% | 3,841,933 | $82.2M |
| Vanguard Capital Management LLC | 0.00% | — | 3,656,321 | $78.2M |
| State Street Corp. | 0.00% | Add +2.0% | 3,378,500 | $72.3M |
| FMR LLC | 0.00% | Reduce -6.6% | 2,267,434 | $48.5M |
| Geode Capital Management, LLC | 0.00% | Add +0.3% | 2,187,967 | $46.8M |
| Wasatch Advisors LP | 0.29% | New | 2,050,524 | $43.9M |
| D. E. Shaw & Co. | 0.03% | Reduce -7.8% | 1,708,433 | $36.5M |
| Renaissance Technologies | 0.05% | Add +12.9% | 1,532,300 | $32.8M |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -7.0% | 1,443,391 | $30.9M |
| Morgan Stanley | 0.00% | Reduce -4.1% | 1,250,625 | $26.8M |
| Fuller & Thaler Asset Management, Inc. | 0.09% | Reduce -0.0% | 1,229,431 | $26.3M |
| Silvercrest Asset Management Group LLC | 0.15% | Reduce -6.0% | 970,610 | $20.8M |
| Nuveen, LLC | 0.01% | Reduce -20.6% | 953,099 | $20.4M |
| Allspring Global Investments Holdings, LLC | 0.03% | Add +52.5% | 975,133 | $20.2M |
| Invesco Ltd. | 0.00% | Reduce -15.4% | 922,177 | $19.7M |
| Northern Trust Corp. | 0.00% | Add +3.2% | 900,270 | $19.3M |
| Goldman Sachs Group Inc. | 0.00% | Add +8.2% | 851,464 | $18.2M |
| Alliancebernstein L.P. | 0.01% | Reduce -5.5% | 770,715 | $16.5M |
| Rockefeller Capital Management L.P. | 0.03% | Add +28.3% | 762,497 | $16.3M |
| Bridgeway Capital Management, LLC | 0.32% | Add +1.6% | 751,776 | $16.1M |
| Dana Investment Advisors, Inc. | 0.46% | Add +12.1% | 727,246 | $15.6M |
| Oberweis Asset Management Inc./ | 0.44% | Add +25.2% | 701,087 | $15.0M |
| Royce & Associates LP | 0.14% | Add +166.4% | 678,770 | $14.5M |
| Ameriprise Financial Inc. | 0.00% | Reduce -0.5% | 667,109 | $14.3M |
| CastleKnight Management LP | 0.65% | Add +62.1% | 642,036 | $13.7M |
| Empowered Funds, LLC | 0.08% | Reduce -4.3% | 595,510 | $12.7M |
| LSV Asset Management | 0.03% | Add +24.8% | 577,000 | $12.3M |
| Bank of New York Mellon Corp | 0.00% | Reduce -3.1% | 568,899 | $12.2M |
| AQR Capital Management | 0.01% | Add +1.6% | 560,569 | $12.0M |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 545,600 | $11.7M |
| Panagora Asset Management Inc. | 0.04% | Add +4.6% | 544,172 | $11.6M |
| Pacer Advisors, Inc. | 0.03% | Add +2.5% | 506,757 | $10.8M |
| Principal Financial Group Inc. | 0.01% | Add +0.5% | 476,957 | $10.2M |
| Brandes Investment Partners, LP | 0.07% | Add +5.3% | 465,941 | $10.0M |
| Hillsdale Investment Management Inc. | 0.27% | Add +2.9% | 463,340 | $9.9M |
| Raymond James Financial Inc. | 0.00% | Add +65.4% | 454,746 | $9.7M |
| Allianz Asset Management GmbH | 0.01% | Add +69.0% | 448,434 | $9.6M |
| Public Sector Pension Investment Board | 0.03% | Add +9.1% | 421,409 | $9.0M |
| Franklin Resources Inc. | 0.00% | Add +450.6% | 415,790 | $8.9M |
| Envestnet Asset Management Inc. | 0.00% | Add +36.0% | 389,185 | $8.3M |
| Aristotle Capital Boston, LLC | 0.51% | Reduce -11.9% | 387,764 | $8.3M |
| Bank of America Corp. | 0.00% | Reduce -28.3% | 379,873 | $8.1M |
| CSM Advisors, LLC | 0.19% | Add +9.7% | 362,281 | $7.7M |
| UBS Group AG | 0.00% | Reduce -49.4% | 296,482 | $6.3M |
| Prudential Financial Inc. | 0.01% | Add +3.0% | 288,187 | $6.2M |
| ArrowMark Colorado Holdings LLC | 0.16% | Reduce -49.4% | 286,669 | $6.1M |
| O'shaughnessy Asset Management, LLC | 0.03% | Add +44.4% | 286,303 | $6.1M |
| Teacher Retirement System of Texas | 0.02% | Reduce -8.9% | 279,318 | $6.0M |
| Phocas Financial Corp. | 0.88% | Reduce -22.0% | 261,780 | $5.6M |
| Lord, Abbett & Co. LLC | 0.02% | Reduce -1.9% | 242,972 | $5.2M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +0.6% | 241,428 | $5.2M |
| Nordea Investment Management AB | 0.00% | Reduce -4.3% | 229,619 | $4.9M |
| JPMorgan Chase & Co. | 0.00% | Reduce -67.2% | 232,955 | $4.8M |
| Jane Street Group, LLC | 0.01% | Add +97.4% | 218,655 | $4.7M |
| Russell Investments Group, Ltd. | 0.00% | Add +19.6% | 212,589 | $4.5M |
| Legal & General Group Plc | 0.00% | Reduce -9.3% | 195,353 | $4.2M |
| Rhumbline Advisers | 0.00% | Add +3.4% | 192,293 | $4.1M |
| Swiss National Bank | 0.00% | Reduce -1.1% | 169,900 | $3.6M |
| Tidal Investments LLC | 0.01% | Add +902.9% | 174,089 | $3.6M |
| Lazard Asset Management LLC | 0.01% | Add +22.1% | 168,979 | $3.6M |
| Martingale Asset Management L P | 0.09% | Reduce -5.9% | 159,580 | $3.4M |
| Sei Investments Co. | 0.00% | Reduce -19.3% | 157,407 | $3.4M |
| BNP Paribas Financial Markets | 0.00% | Add +9.2% | 157,238 | $3.4M |
| First Trust Advisors LP | 0.00% | Add +4.6% | 152,876 | $3.3M |
| Bridge City Capital, LLC | 0.88% | Reduce -0.7% | 148,868 | $3.2M |
| Qube Research & Technologies Ltd | 0.00% | Reduce -79.7% | 147,527 | $3.2M |
| Bessemer Group Inc. | 0.00% | No change | 147,176 | $3.1M |
| Ritholtz Wealth Management | 0.05% | Add +42.1% | 143,668 | $3.1M |
| Segall Bryant & Hamill, LLC | 0.04% | Reduce -4.0% | 137,171 | $2.9M |
| Wedge Capital Management L L P | 0.05% | Add +5.5% | 130,860 | $2.8M |
| Clark Estates Inc. | 0.66% | No change | 129,000 | $2.8M |
| Engineers Gate Manager LP | 0.03% | Add +1.8% | 127,404 | $2.7M |
| Vanguard Global Advisers, LLC | 0.00% | — | 124,879 | $2.7M |
| Gotham Asset Management | 0.01% | Add +9.3% | 123,393 | $2.6M |
| New York State Common Retirement Fund | 0.00% | Add +4.7% | 120,639 | $2.6M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.00% | Add +0.4% | 119,668 | $2.6M |
| RBF Capital, LLC | 0.12% | Reduce -4.2% | 115,000 | $2.5M |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 0.00% | Reduce -56.6% | 108,381 | $2.3M |
| Great Lakes Advisors, LLC | 0.02% | Reduce -8.8% | 105,559 | $2.3M |
| Jackson Creek Investment Advisors LLC | 0.66% | Reduce -0.9% | 104,933 | $2.2M |
| Zacks Investment Management | 0.02% | Add +18.9% | 99,611 | $2.1M |
| T. Rowe Price Associates Inc. | 0.00% | Add +14.2% | 98,873 | $2.1M |
| Nomura Holdings Inc. | 0.02% | Reduce -2.4% | 95,250 | $2.0M |
| Intech Investment Management LLC | 0.02% | Add +128.6% | 93,313 | $2.0M |
| HSBC Holdings PLC | 0.00% | Reduce -23.2% | 88,822 | $1.9M |
| California State Teachers Retirement System | 0.00% | Reduce -0.8% | 81,928 | $1.8M |
| New York State Teachers Retirement System | 0.00% | Reduce -43.4% | 76,336 | $1.6M |
| Deutsche Bank AG | 0.00% | Add +11.9% | 74,611 | $1.6M |
| Citadel Advisors | 0.00% | Reduce -6.5% | 73,000 | $1.6M |
| HRT Financial LP | 0.00% | New | 71,774 | $1.5M |
| Exchange Traded Concepts, LLC | 0.01% | Reduce -8.1% | 70,835 | $1.5M |
| LPL Financial LLC | 0.00% | Reduce -5.3% | 68,531 | $1.5M |
| CANADA LIFE ASSURANCE Co | 0.00% | Reduce -6.2% | 68,151 | $1.5M |
| Hussman Strategic Advisors, Inc. | 0.29% | New | 63,000 | $1.3M |
| Fifth Third Bancorp | 0.00% | Add +7643.2% | 62,333 | $1.3M |
| SG Americas Securities, LLC | 0.00% | Reduce -16.6% | 60,936 | $1.3M |
"% of holder's portfolio" is MD's weight in each manager's 13F, not the share of Pediatrix Medical Group Inc. the manager owns.