PEDIATRIX MEDICAL GROUP INC (MD) Top Institutional Shareholders
PEDIATRIX MEDICAL GROUP INC (MD) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended March 31, 2026. The institutional investors covered on this page collectively reported approximately $1.71B in MD holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of MD tracked by InsiderSet, reporting ownership valued at approximately $290.36M in its March 31, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $319.68M, representing an estimated gain of +10.10% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 56% of the total disclosed MD value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Vanguard Portfolio Management Llc, American Century Companies Inc, and several other long-term asset managers with concentrated positions in PEDIATRIX MEDICAL GROUP INC (MD).
This page ranks the largest institutional MD shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
290
Total Reported Value
$1.71B
Largest Holder
Blackrock, Inc.
Largest Position
$290.36M
Insider Transactions (90d)
0
Latest Filing Quarter
Q1 2026
New Institutional Positions
95
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.01% | 13,574,373 | $290,355,849 | $319,676,484 | +$29,320,635 | +10.10% | |
| Vanguard Portfolio Management Llc | 0.01% | 6,154,126 | $131,636,755 | $144,929,667 | +$13,292,912 | +10.10% | |
| American Century Companies Inc | 0.04% | 3,925,366 | $83,963,618 | $92,442,369 | +$8,478,751 | +10.10% | |
| Dimensional Fund Advisors Lp | 0.02% | 3,856,915 | $82,495,958 | $90,830,348 | +$8,334,390 | +10.10% | |
| Victory Capital Management Inc | 0.05% | 3,841,933 | $82,178,947 | $90,477,522 | +$8,298,575 | +10.10% | |
| Vanguard Capital Management Llc | 0.00% | 3,656,321 | $78,208,706 | $86,106,360 | +$7,897,654 | +10.10% | |
| State Street Corp | 0.00% | 3,378,500 | $72,266,115 | $79,563,675 | +$7,297,560 | +10.10% | |
| Fmr Llc | 0.00% | 2,267,434 | $48,500,421 | $53,398,071 | +$4,897,650 | +10.10% | |
| Geode Capital Management, Llc | 0.00% | 2,187,967 | $46,809,259 | $51,526,623 | +$4,717,364 | +10.08% | |
| Wasatch Advisors Lp | 0.29% | 2,050,524 | $43,860,708 | $48,289,840 | +$4,429,132 | +10.10% | |
| D. E. Shaw & Co., Inc. | 0.03% | 1,708,433 | $36,543,382 | $40,233,597 | +$3,690,215 | +10.10% | |
| Renaissance Technologies LLC | Jim Simons | 0.05% | 1,532,300 | $32,775,897 | $36,085,665 | +$3,309,768 | +10.10% |
| Charles Schwab Investment Management Inc | 0.00% | 1,443,391 | $30,874,133 | $33,991,858 | +$3,117,725 | +10.10% | |
| Morgan Stanley | 0.00% | 1,250,625 | $26,750,871 | $29,452,219 | +$2,701,348 | +10.10% | |
| Fuller & Thaler Asset Management, Inc. | 0.09% | 1,229,431 | $26,297,526 | $28,953,100 | +$2,655,574 | +10.10% | |
| Silvercrest Asset Management Group Llc | 0.15% | 970,610 | $20,761,387 | $22,857,866 | +$2,096,479 | +10.10% | |
| Nuveen, Llc | 0.01% | 953,099 | $20,386,788 | $22,445,481 | +$2,058,693 | +10.10% | |
| Allspring Global Investments Holdings, Llc | 0.03% | 975,133 | $20,185,253 | $22,964,382 | +$2,779,129 | +13.77% | |
| Invesco Ltd. | 0.00% | 922,177 | $19,725,367 | $21,717,268 | +$1,991,901 | +10.10% | |
| Northern Trust Corp | 0.00% | 900,270 | $19,256,776 | $21,201,359 | +$1,944,583 | +10.10% | |
| Goldman Sachs Group Inc | 0.00% | 851,464 | $18,212,815 | $20,051,977 | +$1,839,162 | +10.10% | |
| Alliancebernstein L.P. | 0.01% | 770,715 | $16,485,594 | $18,150,338 | +$1,664,744 | +10.10% | |
| Rockefeller Capital Management L.P. | 0.03% | 762,497 | $16,309,811 | $17,956,804 | +$1,646,993 | +10.10% | |
| Bridgeway Capital Management, Llc | 0.32% | 751,776 | $16,080,489 | $17,704,325 | +$1,623,836 | +10.10% | |
| Dana Investment Advisors, Inc. | 0.46% | 727,246 | $15,555,792 | $17,126,643 | +$1,570,851 | +10.10% | |
| Oberweis Asset Management Inc/ | 0.44% | 701,087 | $14,996,251 | $16,510,599 | +$1,514,348 | +10.10% | |
| Royce & Associates Lp | 0.14% | 678,770 | $14,518,890 | $15,985,034 | +$1,466,144 | +10.10% | |
| Ameriprise Financial Inc | 0.00% | 667,109 | $14,269,465 | $15,710,417 | +$1,440,952 | +10.10% | |
| Castleknight Management Lp | 0.64% | 642,036 | $13,733,150 | $15,119,948 | +$1,386,798 | +10.10% | |
| Empowered Funds, Llc | 0.08% | 595,510 | $12,737,960 | $14,024,261 | +$1,286,301 | +10.10% | |
| Bank Of New York Mellon Corp | 0.00% | 568,899 | $12,168,749 | $13,397,571 | +$1,228,822 | +10.10% | |
| Aqr Capital Management Llc | 0.01% | 560,569 | $11,990,571 | $13,201,400 | +$1,210,829 | +10.10% | |
| Vanguard Fiduciary Trust Co | 0.00% | 545,600 | $11,670,384 | $12,848,880 | +$1,178,496 | +10.10% | |
| Panagora Asset Management Inc | 0.04% | 544,172 | $11,639,839 | $12,815,251 | +$1,175,412 | +10.10% | |
| Principal Financial Group Inc | 0.01% | 476,957 | $10,202,111 | $11,232,337 | +$1,030,226 | +10.10% | |
| Brandes Investment Partners, Lp | 0.07% | 465,941 | $9,966,478 | $10,972,911 | +$1,006,433 | +10.10% | |
| Hillsdale Investment Management Inc. | 0.27% | 463,340 | $9,910,843 | $10,911,657 | +$1,000,814 | +10.10% | |
| Raymond James Financial Inc | 0.00% | 454,746 | $9,727,006 | $10,709,268 | +$982,262 | +10.10% | |
| Allianz Asset Management Gmbh | 0.01% | 448,434 | $9,592,003 | $10,560,621 | +$968,618 | +10.10% | |
| Public Sector Pension Investment Board | 0.03% | 421,409 | $9,013,939 | $9,924,182 | +$910,243 | +10.10% | |
| Franklin Resources Inc | 0.00% | 415,790 | $8,893,748 | $9,791,855 | +$898,107 | +10.10% | |
| Envestnet Asset Management Inc | 0.00% | 389,185 | $8,324,667 | $9,165,307 | +$840,640 | +10.10% | |
| Aristotle Capital Boston, Llc | 0.51% | 387,764 | $8,287,222 | $9,131,842 | +$844,620 | +10.19% | |
| Bank Of America Corp | 0.00% | 379,873 | $8,125,484 | $8,946,009 | +$820,525 | +10.10% | |
| Ubs Group Ag | 0.00% | 296,482 | $6,341,750 | $6,982,151 | +$640,401 | +10.10% | |
| Prudential Financial Inc | 0.01% | 288,187 | $6,164,320 | $6,786,804 | +$622,484 | +10.10% | |
| Arrowmark Colorado Holdings Llc | 0.16% | 286,669 | $6,131,850 | $6,751,055 | +$619,205 | +10.10% | |
| O'Shaughnessy Asset Management, Llc | 0.03% | 286,303 | $6,124,021 | $6,742,436 | +$618,415 | +10.10% | |
| Teacher Retirement System Of Texas | 0.02% | 279,318 | $5,974,611 | $6,577,939 | +$603,328 | +10.10% | |
| Phocas Financial Corp. | 0.88% | 261,780 | $5,599,474 | $6,164,919 | +$565,445 | +10.10% |
Frequently asked questions about MD
Who owns the most MD stock?
The largest holders of MD are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for PEDIATRIX MEDICAL GROUP INC (MD).
Is MD widely held by superinvestors?
Many widely followed stocks like MD appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly MD is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.