Pediatrix Medical GroupMD
13F holders, Q1 2025 (March 31)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 |
| Connor, Clark & Lunn Investment Management Ltd. | 0.00% | Reduce -46.6% | 45,761 | $663K |
| Illinois Municipal Retirement Fund | 0.01% | Reduce -4.9% | 45,078 | $653K |
| Corebridge Financial, Inc. | 0.00% | Reduce -1.9% | 44,962 | $651K |
| State of Wyoming | 0.09% | Reduce -10.5% | 44,873 | $650K |
| XTX Topco Ltd | 0.03% | Add +246.5% | 44,752 | $648K |
| Bailard, Inc. | 0.02% | Add +252.0% | 43,300 | $627K |
| Manufacturers Life Insurance Company, The | 0.00% | Add +38.6% | 42,786 | $620K |
| Louisiana State Employees Retirement System | 0.01% | Reduce -2.7% | 39,800 | $577K |
| Mackenzie Financial Corp. | 0.00% | Add +82.7% | 38,399 | $556K |
| Legato Capital Management LLC | 0.07% | Reduce -1.3% | 38,390 | $556K |
| SG Americas Securities, LLC | 0.00% | Add +194.0% | 38,405 | $556K |
| Sterling Capital Management LLC | 0.01% | Reduce -10.8% | 36,237 | $525K |
| Vident Advisory, LLC | 0.01% | Reduce -8.5% | 35,083 | $508K |
| HSBC Holdings PLC | 0.00% | Add +64.3% | 34,293 | $495K |
| Amundi | 0.00% | Reduce -15.5% | 34,602 | $489K |
| Janus Henderson Group PLC | 0.00% | No change | 34,264 | $485K |
| State of Wisconsin Investment Board | 0.00% | Add +37.2% | 32,972 | $478K |
| O'shaughnessy Asset Management, LLC | 0.00% | Add +75.3% | 32,301 | $468K |
| Cambria Investment Management, L.P. | 0.03% | Add +1.4% | 31,415 | $455K |
| Two Sigma Investments, LP | 0.00% | Reduce -63.5% | 31,328 | $454K |
| Creative Planning | 0.00% | Reduce -2.6% | 30,121 | $436K |
| Petrus Trust Company, LTA | 0.04% | Reduce -20.9% | 29,996 | $435K |
| Counterpoint Mutual Funds LLC | 0.06% | Add +1.0% | 29,006 | $420K |
| Verition Fund Management LLC | 0.00% | Reduce -52.8% | 28,101 | $407K |
| OMERS ADMINISTRATION Corp | 0.00% | New | 27,900 | $404K |
| Teachers Retirement System of the State of Kentucky | 0.00% | No change | 27,205 | $395K |
| Tudor Investment Corporation | 0.00% | New | 26,548 | $385K |
| Moody National Bank Trust Division | 0.04% | Reduce -3.1% | 25,579 | $371K |
| Yousif Capital Management, LLC | 0.00% | Reduce -1.6% | 25,098 | $364K |
| Arizona State Retirement System | 0.00% | Reduce -1.2% | 24,635 | $357K |
| Maryland State Retirement & Pension System | 0.01% | Reduce -14.8% | 24,587 | $356K |
| Aristeia Capital, L.L.C. | 0.02% | New | 24,475 | $355K |
| Quadrant Capital Group LLC | 0.01% | Add +700.3% | 24,322 | $352K |
| Comerica Bank | 0.00% | Reduce -1.4% | 24,282 | $352K |
| Squarepoint Ops LLC | 0.00% | Add +141.3% | 24,253 | $351K |
| Amalgamated Bank | 0.00% | Reduce -1.5% | 24,201 | $351K |
| Ritholtz Wealth Management | 0.01% | Add +73.7% | 24,119 | $349K |
| State Board of Administration of Florida Retirement System | 0.00% | No change | 24,026 | $348K |
| Voya Investment Management LLC | 0.00% | Reduce -7.8% | 23,884 | $346K |
| Fox Run Management, L.L.C. | 0.05% | New | 23,783 | $345K |
| Allianz Asset Management GmbH | 0.00% | Reduce -53.8% | 23,700 | $343K |
| Numerai GP LLC | 0.06% | Add +39.5% | 22,699 | $329K |
| Royal Bank of Canada | 0.00% | Add +23.8% | 22,097 | $320K |
| Nisa Investment Advisors, LLC | 0.00% | Add +0.4% | 21,592 | $313K |
| EP Wealth Advisors, LLC | 0.00% | New | 21,399 | $310K |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | No change | 21,125 | $306K |
| ProShare Advisors LLC | 0.00% | Reduce -21.9% | 20,267 | $294K |
| Commonwealth of Pennsylvania Public School Empls Retrmt SYS | 0.00% | Add +12.1% | 20,227 | $293K |
| Oregon Public Employees Retirement Fund | 0.01% | Reduce -2.5% | 19,362 | $281K |
| Natixis Advisors, LLC | 0.00% | Add +8.1% | 19,156 | $278K |
| Cibc World Markets Corp. | 0.00% | New | 19,129 | $277K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | No change | 19,115 | $277K |
| Oppenheimer & Co. Inc. | 0.00% | Reduce -8.1% | 18,650 | $270K |
| Ballentine Partners, LLC | 0.00% | Add +3.3% | 18,256 | $265K |
| Bank of Montreal | 0.00% | Add +21.8% | 18,182 | $263K |
| KLP Kapitalforvaltning As | 0.00% | No change | 17,900 | $259K |
| Capula Management Ltd | 0.00% | New | 17,272 | $250K |
| PNC Financial Services Group, Inc. | 0.00% | Reduce -0.3% | 17,195 | $249K |
| Two Sigma Advisers, LP | 0.00% | Reduce -1.8% | 16,700 | $242K |
| Diversified Trust Co. | 0.01% | New | 16,305 | $236K |
| Balyasny Asset Management L.P. | 0.00% | New | 15,967 | $231K |
| Atria Investments, Inc | 0.00% | Reduce -42.6% | 15,024 | $218K |
| Hancock Whitney Corp. | 0.01% | Add +21.8% | 14,822 | $215K |
| VIRGINIA RETIREMENT SYSTEMS ET Al | 0.00% | — | 14,200 | $206K |
| Pictet Asset Management Holding SA | 0.00% | Reduce -2.7% | 14,190 | $205K |
| Praxis Investment Management Inc. | 0.01% | No change | 13,840 | $201K |
| Quantinno Capital Management LP | 0.00% | Add +9.0% | 13,520 | $196K |
| Public Employees Retirement Association of Colorado | 0.00% | No change | 13,457 | $195K |
| Neuberger Berman Group LLC | 0.00% | Reduce -1.4% | 13,357 | $194K |
| Sherbrooke Park Advisers LLC | 0.09% | Add +23.0% | 12,774 | $185K |
| Jump Financial, LLC | 0.00% | New | 12,527 | $182K |
| Cwm, LLC | 0.00% | Add +54.3% | 12,388 | $180K |
| Sanctuary Advisors, LLC | 0.00% | Reduce -32.3% | 12,419 | $180K |
| Mutual of America Capital Management LLC | 0.00% | Reduce -3.9% | 12,309 | $178K |
| Optimize Financial Inc. | 0.06% | New | 11,544 | $167K |
| Aquatic Capital Management LLC | 0.00% | New | 11,464 | $166K |
| Empirical Financial Services, LLC d.b.a. Empirical Wealth Management | 0.00% | New | 10,963 | $159K |
| Freestone Grove Partners LP | 0.00% | New | 10,811 | $157K |
| Vanguard Personalized Indexing Management, LLC | 0.00% | Add +1.4% | 10,387 | $151K |
| Globeflex Capital L P | 0.01% | No change | 9,804 | $142K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 8,364 | $121K |
| C M Bidwell & Associates Ltd. | 0.06% | Reduce -1.9% | 6,965 | $101K |
| Smartleaf Asset Management LLC | 0.01% | Reduce -9.9% | 6,218 | $88K |
| AlphaQuest LLC | 0.01% | Add +16.0% | 5,877 | $85K |
| Coldstream Capital Management Inc. | 0.00% | New | 5,871 | $85K |
| Public Employees Retirement System of Ohio | 0.00% | Reduce -7.3% | 4,902 | $71K |
| Parkside Financial Bank & Trust | 0.01% | Add +16.3% | 4,559 | $66K |
| IFP Advisors, Inc | 0.00% | No change | 3,417 | $50K |
| GAMMA Investing LLC | 0.00% | Add +219.5% | 2,569 | $37K |
| Brooklyn Investment Group | 0.01% | Add +3713.8% | 2,479 | $36K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -67.7% | 2,407 | $35K |
| Quarry LP | 0.01% | Reduce -52.1% | 2,109 | $31K |
| Fifth Third Bancorp | 0.00% | Add +9.6% | 1,819 | $26K |
| Group One Trading LLC | 0.00% | New | 1,784 | $26K |
| Osaic Holdings, Inc. | 0.00% | Add +1050.7% | 1,588 | $23K |
| US Bancorp \de | 0.00% | No change | 1,565 | $23K |
| Investors Research Corp | 0.00% | No change | 1,500 | $22K |
| USA Financial Formulas | 0.00% | New | 1,414 | $20K |
| Nomura Asset Management Co. Ltd. | 0.00% | Reduce -44.0% | 1,400 | $20K |
| EverSource Wealth Advisors, LLC | 0.00% | Add +32.8% | 907 | $13K |
| Bessemer Group Inc. | 0.00% | Add +61.8% | 869 | $13K |
| Farther Finance Advisors, LLC | 0.00% | New | 537 | $8K |
| Hillsdale Investment Management Inc. | 0.00% | No change | 500 | $7K |
| Performa Ltd (US), LLC | 0.00% | No change | 467 | $7K |
| Physician Wealth Advisors, Inc. | 0.00% | New | 426 | $6K |
| Allworth Financial LP | 0.00% | No change | 493 | $6K |
| First Horizon Advisors, Inc. | 0.00% | Reduce -94.4% | 370 | $5K |
| Blue Trust, Inc. | 0.00% | No change | 368 | $5K |
| Private Trust Co. NA | 0.00% | No change | 350 | $5K |
| Harvest Fund Management Co., Ltd | 0.00% | New | 354 | $5K |
| Quent Capital, LLC | 0.00% | No change | 345 | $5K |
| Macquarie Group Ltd. | 0.00% | New | 333 | $5K |
| Lindbrook Capital, LLC | 0.00% | No change | 313 | $5K |
| Storebrand Asset Management As | 0.00% | No change | 300 | $4K |
| UMB Bank, n.a. | 0.00% | Add +39.4% | 297 | $4K |
| Versant Capital Management, Inc | 0.00% | No change | 291 | $4K |
| Hantz Financial Services, Inc. | 0.00% | No change | 182 | $3K |
| Picton Mahoney Asset Management | 0.00% | New | 243 | $3K |
| Parallel Advisors, LLC | 0.00% | Reduce -11.1% | 200 | $3K |
| Highline Wealth Partners LLC | 0.00% | New | 176 | $3K |
| True Wealth Design, LLC | 0.00% | Reduce -6.0% | 173 | $3K |
| Rothschild Investment LLC | 0.00% | Add +33.3% | 160 | $2K |
| Caitong International Asset Management Co., Ltd | 0.00% | New | 156 | $2K |
| Huntington National Bank | 0.00% | No change | 117 | $2K |
| SVB Wealth LLC | 0.00% | New | 105 | $2K |
| Asset Dedication, LLC | 0.00% | No change | 100 | $1K |
| Valley Wealth Managers, Inc. | 0.00% | No change | 95 | $1K |
| Manchester Capital Management LLC | 0.00% | No change | 93 | $1K |
| Covestor Ltd | 0.00% | Reduce -37.9% | 36 | $1K |
| Harbor Capital Advisors, Inc. | 0.00% | Reduce -99.8% | 83 | $1K |
| Private Wealth Management Group, LLC | 0.00% | No change | 68 | $986 |
| Steward Partners Investment Advisory, LLC | 0.00% | No change | 61 | $884 |
| Farmers & Merchants Investments Inc. | 0.00% | No change | 60 | $869 |
| MassMutual Private Wealth & Trust, FSB | 0.00% | No change | 50 | $725 |
| Bruce G. Allen Investments, LLC | 0.00% | Add +15.0% | 46 | $667 |
| Geneos Wealth Management Inc. | 0.00% | New | 44 | $638 |
| Bare Financial Services, Inc | 0.00% | New | 36 | $522 |
| Bell Investment Advisors, Inc | 0.00% | No change | 32 | $464 |
| Stephens Consulting, LLC | 0.00% | New | 25 | $363 |
| ORG Partners LLC | 0.00% | No change | 15 | $217 |
| Larson Financial Group LLC | 0.00% | No change | 15 | $217 |
"% of holder's portfolio" is MD's weight in each manager's 13F, not the share of Pediatrix Medical Group Inc. the manager owns.