Pediatrix Medical GroupMD
13F holders, Q4 2025 (December 31)299holders +31
53new positions
27sold out
6famous investors
$21.39avg. 13F price*
At the end of Q4 2025, 299 institutions reported holding Pediatrix Medical Group Inc. (MD) in their 13F filings, up 31 from Q3 2025. 53 opened new positions and 27 sold out. The largest holders were BlackRock, Inc. ($290.1M), Vanguard Group Inc. ($229.4M) and Victory Capital Management Inc. ($81.7M). 6 famous investors held it, including Jim Simons / Peter Brown (0.0% 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 Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 53 | $87.3M |
| Exits | 27 | $17.4M |
All 13F filers, Q3 2025 → Q4 2025: 8,837,462 shares bought and 6,503,302 shares sold, net +2,334,160 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 299 holders
| BlackRock, Inc. | 0.00% | Reduce -2.1% | 13,562,270 | $290.1M |
| Vanguard Group Inc. | 0.00% | Reduce -1.6% | 10,724,265 | $229.4M |
| Victory Capital Management Inc. | 0.05% | Reduce -7.5% | 3,818,280 | $81.7M |
| American Century Companies Inc. | 0.04% | Add +37.8% | 3,698,135 | $79.1M |
| Dimensional Fund Advisors LP | 0.02% | Add +5.0% | 3,569,219 | $76.3M |
| State Street Corp. | 0.00% | Reduce -6.2% | 3,312,146 | $70.8M |
| FMR LLC | 0.00% | Add +10.2% | 2,428,783 | $52.0M |
| Geode Capital Management, LLC | 0.00% | Add +0.7% | 2,181,712 | $46.7M |
| D. E. Shaw & Co. | 0.03% | Reduce -8.4% | 1,852,219 | $39.6M |
| Charles Schwab Investment Management Inc. | 0.01% | Add +7.3% | 1,552,585 | $33.2M |
| Renaissance Technologies | 0.05% | Add +4.0% | 1,357,700 | $29.0M |
| Morgan Stanley | 0.00% | Add +1.9% | 1,304,070 | $27.9M |
| Fuller & Thaler Asset Management, Inc. | 0.09% | New | 1,229,505 | $26.3M |
| Nuveen, LLC | 0.01% | Reduce -22.6% | 1,200,210 | $25.7M |
| Invesco Ltd. | 0.00% | Add +24.4% | 1,090,655 | $23.3M |
| Silvercrest Asset Management Group LLC | 0.15% | New | 1,032,351 | $22.1M |
| Northern Trust Corp. | 0.00% | Reduce -6.5% | 872,348 | $18.7M |
| Alliancebernstein L.P. | 0.01% | Reduce -2.9% | 815,755 | $17.4M |
| Boston Partners | 0.02% | Reduce -44.1% | 797,702 | $17.2M |
| Goldman Sachs Group Inc. | 0.00% | Add +2.7% | 787,269 | $16.8M |
| Bridgeway Capital Management, LLC | 0.33% | Add +14.4% | 740,280 | $15.8M |
| Qube Research & Technologies Ltd | 0.02% | Reduce -36.4% | 727,348 | $15.6M |
| JPMorgan Chase & Co. | 0.00% | Reduce -14.1% | 710,717 | $15.2M |
| Ameriprise Financial Inc. | 0.00% | Reduce -0.1% | 670,749 | $14.3M |
| Dana Investment Advisors, Inc. | 0.40% | Reduce -19.1% | 648,721 | $13.9M |
| Allspring Global Investments Holdings, LLC | 0.02% | New | 639,400 | $13.6M |
| Empowered Funds, LLC | 0.23% | Add +17.8% | 622,380 | $13.3M |
| Rockefeller Capital Management L.P. | 0.02% | Add +814.6% | 594,351 | $12.7M |
| Bank of New York Mellon Corp | 0.00% | Reduce -2.5% | 587,065 | $12.6M |
| UBS Group AG | 0.00% | Add +89.5% | 585,750 | $12.5M |
| ArrowMark Colorado Holdings LLC | 0.27% | Reduce -6.6% | 566,310 | $12.1M |
| Oberweis Asset Management Inc./ | 0.44% | Add +2.6% | 559,987 | $12.0M |
| AQR Capital Management | 0.01% | Add +4.7% | 551,823 | $11.8M |
| Bank of America Corp. | 0.00% | Reduce -2.7% | 529,609 | $11.3M |
| Panagora Asset Management Inc. | 0.04% | Add +3.3% | 520,116 | $11.1M |
| Pacer Advisors, Inc. | 0.03% | Reduce -19.1% | 494,381 | $10.6M |
| Principal Financial Group Inc. | 0.01% | Add +3.0% | 474,453 | $10.1M |
| LSV Asset Management | 0.02% | Add +51.1% | 462,200 | $9.9M |
| Hillsdale Investment Management Inc. | 0.27% | Reduce -0.4% | 450,410 | $9.6M |
| Brandes Investment Partners, LP | 0.07% | Reduce -29.9% | 442,273 | $9.5M |
| Aristotle Capital Boston, LLC | 0.52% | Reduce -9.1% | 440,063 | $9.4M |
| CastleKnight Management LP | 0.48% | Reduce -41.9% | 396,066 | $8.5M |
| Public Sector Pension Investment Board | 0.03% | Reduce -5.8% | 386,125 | $8.3M |
| Brandywine Global Investment Management, LLC | 0.05% | Reduce -3.6% | 344,023 | $7.4M |
| Phocas Financial Corp. | 0.93% | Add +44.5% | 335,551 | $7.2M |
| CSM Advisors, LLC | 0.19% | Add +5.3% | 330,152 | $7.1M |
| Teacher Retirement System of Texas | 0.02% | Add +25.6% | 306,715 | $6.6M |
| Envestnet Asset Management Inc. | 0.00% | Add +2153.9% | 286,241 | $6.1M |
| Prudential Financial Inc. | 0.01% | Reduce -13.6% | 279,927 | $6.0M |
| Raymond James Financial Inc. | 0.00% | Add +11.1% | 274,912 | $5.9M |
| Allianz Asset Management GmbH | 0.01% | Add +67.1% | 265,337 | $5.7M |
| Royce & Associates LP | 0.06% | Add +42.3% | 254,748 | $5.4M |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 0.00% | Reduce -14.9% | 250,008 | $5.3M |
| Lord, Abbett & Co. LLC | 0.02% | New | 247,709 | $5.3M |
| Nordea Investment Management AB | 0.00% | Reduce -12.7% | 239,853 | $5.2M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +0.7% | 239,956 | $5.1M |
| Legal & General Group Plc | 0.00% | Reduce -6.8% | 215,427 | $4.6M |
| O'shaughnessy Asset Management, LLC | 0.02% | Add +1203.5% | 198,268 | $4.2M |
| Sei Investments Co. | 0.00% | Add +6.6% | 194,971 | $4.2M |
| Arrowstreet Capital, Limited Partnership | 0.00% | Add +13.7% | 192,527 | $4.1M |
| Rhumbline Advisers | 0.00% | Reduce -14.0% | 186,052 | $4.0M |
| Informed Momentum Co LLC | 0.44% | New | 182,673 | $3.9M |
| Russell Investments Group, Ltd. | 0.00% | Add +17.0% | 177,694 | $3.8M |
| Trexquant Investment LP | 0.03% | Reduce -17.6% | 174,150 | $3.7M |
| Swiss National Bank | 0.00% | Add +3.2% | 171,800 | $3.7M |
| Martingale Asset Management L P | 0.09% | Reduce -4.8% | 169,598 | $3.6M |
| Castleark Management LLC | 0.10% | New | 159,090 | $3.4M |
| Barclays PLC | 0.00% | Reduce -6.9% | 158,543 | $3.4M |
| Bridge City Capital, LLC | 0.94% | Reduce -36.7% | 149,948 | $3.2M |
| Bessemer Group Inc. | 0.00% | Add +13365.3% | 147,176 | $3.1M |
| First Trust Advisors LP | 0.00% | New | 146,107 | $3.1M |
| BNP Paribas Financial Markets | 0.00% | Reduce -69.5% | 143,944 | $3.1M |
| Segall Bryant & Hamill, LLC | 0.04% | Reduce -0.5% | 142,947 | $3.1M |
| Lazard Asset Management LLC | 0.01% | Add +34.3% | 138,358 | $3.0M |
| New York State Teachers Retirement System | 0.01% | Reduce -4.8% | 134,757 | $2.9M |
| Clark Estates Inc. | 0.67% | Reduce -24.7% | 129,000 | $2.8M |
| Engineers Gate Manager LP | 0.03% | Reduce -17.1% | 125,121 | $2.7M |
| Wedge Capital Management L L P | 0.05% | Reduce -10.3% | 124,050 | $2.7M |
| Wells Fargo & Company | 0.00% | Add +52.0% | 120,163 | $2.6M |
| RBF Capital, LLC | 0.12% | Reduce -7.7% | 120,000 | $2.6M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.00% | Add +11770.0% | 119,175 | $2.5M |
| HSBC Holdings PLC | 0.00% | Reduce -12.5% | 115,665 | $2.5M |
| Great Lakes Advisors, LLC | 0.02% | Reduce -31.2% | 115,698 | $2.5M |
| New York State Common Retirement Fund | 0.00% | Reduce -1.5% | 115,239 | $2.5M |
| Gotham Asset Management | 0.01% | Reduce -2.8% | 112,853 | $2.4M |
| Jane Street Group, LLC | 0.00% | Reduce -50.0% | 110,775 | $2.4M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.01% | Reduce -50.3% | 108,538 | $2.3M |
| Jackson Creek Investment Advisors LLC | 0.67% | Reduce -3.9% | 105,885 | $2.3M |
| Ritholtz Wealth Management | 0.04% | New | 101,115 | $2.2M |
| XTX Topco Ltd | 0.06% | Add +483.4% | 99,867 | $2.1M |
| Nomura Holdings Inc. | 0.01% | Reduce -40.6% | 97,626 | $2.1M |
| T. Rowe Price Associates Inc. | 0.00% | Add +4.6% | 86,572 | $1.9M |
| Zacks Investment Management | 0.01% | Reduce -6.6% | 83,779 | $1.8M |
| Royal Bank of Canada | 0.00% | Add +921.3% | 83,024 | $1.8M |
| California State Teachers Retirement System | 0.00% | Add +4.1% | 82,624 | $1.8M |
| Integrated Quantitative Investments LLC | 0.37% | Add +7.4% | 79,557 | $1.7M |
| Citadel Advisors | 0.00% | Reduce -15.6% | 78,060 | $1.7M |
| Exchange Traded Concepts, LLC | 0.01% | Add +8.9% | 77,107 | $1.6M |
| Millennium Management | 0.00% | Reduce -53.6% | 76,066 | $1.6M |
| Franklin Resources Inc. | 0.00% | Add +6.6% | 75,519 | $1.6M |
"% of holder's portfolio" is MD's weight in each manager's 13F, not the share of Pediatrix Medical Group Inc. the manager owns.