Latest Period
Q1 2026
Security Snapshot
Pediatrix Medical Group, Inc. - Common Stock (MD) Institutional Ownership
CUSIP: 58502B106
13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026
Institutions Reporting
291
Shares (Excl. Options)
82,539,010
Price
$21.39
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- Type / Class
- Equity / Common Stock
- Symbol
- MD on NYSE
- Shares outstanding
- 85,702,801
- Price per share
- $22.61
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 82,539,010
- Total reported value
- $1,764,538,989
- % of total 13F portfolios
- 0%
- Share change
- +318,588
- Value change
- +$6,609,884
- Number of holders
- 291
- Price from insider filings
- $22.61
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors
Key facts
- MD - Pediatrix Medical Group, Inc. - Common Stock is tracked under CUSIP 58502B106.
- 291 institutions reported positions in Q1 2026.
- 3 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 298 to 291 between Q4 2025 and Q1 2026.
- Reported value moved from $1,770,483,327 to $1,764,538,989.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC Evidence
Latest holder context comes from 291 institutions filings for Q1 2026.
Security key
58502B106
Latest holder period
Q1 2026
13F holders
291
13D/G owners
3
CIK / CUSIP context first
Open Q1 2026 holders
MD full holder history
Pediatrix Medical Group, Inc. SEC filings
Pediatrix Medical Group, Inc. company facts
Pediatrix Medical Group, Inc. insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 58502B106:
Significant Owners of Pediatrix Medical Group, Inc. - Common Stock (MD) based on Schedule 13D/G filings
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. | 15% | $179,555,939 | 12,512,609 | BlackRock, Inc. | 30 Jun 2025 | |||
| Rubric Capital Management LP | 3.7% | $38,914,718 | 3,148,440 | Rubric Capital Management LP | 31 Dec 2024 | |||
| ALLIANCEBERNSTEIN L.P. | 2.2% | -72% | $27,805,682 | -$71,010,122 | 1,928,272 | -72% | AllianceBernstein L.P. | 31 May 2025 |
As of 31 Mar 2026, 291 institutional investors reported holding 82,539,010 shares of Pediatrix Medical Group, Inc. - Common Stock (MD). This represents 96% of the company’s total 85,702,801 outstanding shares.
Top 25 Institutional Shareholders
The largest institutional shareholders of Pediatrix Medical Group, Inc. - Common Stock (MD) together control 71% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 16% | 13,574,373 | +0.09% | 0.01% | $290,355,849 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 7.2% | 6,154,126 | 0% | 0.01% | $131,636,755 |
| AMERICAN CENTURY COMPANIES INC | 4.6% | 3,925,366 | +6.1% | 0.04% | $83,963,618 |
| DIMENSIONAL FUND ADVISORS LP | 4.5% | 3,856,915 | +8.1% | 0.02% | $82,495,958 |
| VICTORY CAPITAL MANAGEMENT INC | 4.5% | 3,841,933 | +0.62% | 0.05% | $82,178,947 |
| VANGUARD CAPITAL MANAGEMENT LLC | 4.3% | 3,656,321 | 0% | 0% | $78,208,706 |
| STATE STREET CORP | 3.9% | 3,378,500 | +2% | 0% | $72,266,115 |
| FMR LLC | 2.6% | 2,267,434 | -6.6% | 0% | $48,500,421 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.6% | 2,187,967 | +0.29% | 0% | $46,809,259 |
| WASATCH ADVISORS LP | 2.4% | 2,050,524 | 0.29% | $43,860,708 | |
| D. E. Shaw & Co., Inc. | 2% | 1,708,433 | -7.8% | 0.03% | $36,543,382 |
| RENAISSANCE TECHNOLOGIES LLC | 1.8% | 1,532,300 | +13% | 0.05% | $32,775,897 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.7% | 1,443,391 | -7% | 0% | $30,874,133 |
| MORGAN STANLEY | 1.5% | 1,250,625 | -4.1% | 0% | $26,750,871 |
| FULLER & THALER ASSET MANAGEMENT, INC. | 1.4% | 1,229,431 | -0.01% | 0.09% | $26,297,526 |
| Allspring Global Investments Holdings, LLC | 1.1% | 975,133 | +53% | 0.03% | $20,185,253 |
| SILVERCREST ASSET MANAGEMENT GROUP LLC | 1.1% | 970,610 | -6% | 0.15% | $20,761,387 |
| Nuveen, LLC | 1.1% | 953,099 | -21% | 0.01% | $20,386,788 |
| Invesco Ltd. | 1.1% | 922,177 | -15% | 0% | $19,725,367 |
| NORTHERN TRUST CORP | 1.1% | 900,270 | +3.2% | 0% | $19,256,776 |
| GOLDMAN SACHS GROUP INC | 0.99% | 851,464 | +8.2% | 0% | $18,212,815 |
| ALLIANCEBERNSTEIN L.P. | 0.9% | 770,715 | -5.5% | 0.01% | $16,485,594 |
| Rockefeller Capital Management L.P. | 0.89% | 762,497 | +28% | 0.03% | $16,309,811 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 0.88% | 751,776 | +1.6% | 0.32% | $16,080,489 |
| Dana Investment Advisors, Inc. | 0.85% | 727,246 | +12% | 0.46% | $15,555,792 |
Institutional Holders of Pediatrix Medical Group, Inc. - Common Stock (MD) across Reporting Periods
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 82,539,010 | $1,764,538,989 | +$6,609,884 | $21.39 | 291 |
| 2025 Q4 | 82,762,026 | $1,770,483,327 | +$61,332,221 | $21.39 | 298 |
| 2025 Q3 | 80,585,755 | $1,349,634,029 | -$841,892 | $16.75 | 265 |
| 2025 Q2 | 80,728,834 | $1,157,863,224 | +$486,064 | $14.35 | 264 |
| 2025 Q1 | 80,224,836 | $1,161,325,326 | -$29,361,456 | $14.49 | 239 |
| 2024 Q4 | 82,290,662 | $1,079,966,639 | -$30,602,384 | $13.12 | 227 |
| 2024 Q3 | 85,733,777 | $993,673,643 | -$12,231,978 | $11.59 | 215 |
| 2024 Q2 | 87,369,732 | $659,166,605 | -$12,106,641 | $7.55 | 223 |
| 2024 Q1 | 84,993,692 | $852,207,915 | +$34,610,446 | $10.03 | 210 |
| 2023 Q4 | 82,188,568 | $764,523,667 | -$5,887,025 | $9.30 | 221 |
| 2023 Q3 | 82,042,700 | $1,042,835,627 | -$2,900,348 | $12.71 | 199 |
| 2023 Q2 | 81,528,991 | $1,158,561,442 | -$24,266,335 | $14.21 | 209 |
| 2023 Q1 | 83,759,910 | $1,248,743,727 | -$7,502,166 | $14.91 | 208 |
| 2022 Q4 | 84,388,114 | $1,254,130,654 | +$1,159,416 | $14.86 | 202 |
| 2022 Q3 | 84,258,861 | $1,391,433,449 | -$43,448,133 | $16.51 | 197 |
| 2022 Q2 | 86,490,179 | $1,817,550,140 | +$47,117,137 | $21.01 | 187 |
| 2022 Q1 | 84,453,694 | $1,983,111,191 | +$15,656,033 | $23.48 | 207 |
| 2021 Q4 | 83,789,475 | $2,279,624,918 | -$11,445,433 | $27.21 | 196 |
| 2021 Q3 | 84,091,430 | $2,390,560,820 | -$125,656,043 | $28.43 | 212 |
| 2021 Q2 | 88,508,524 | $2,668,528,669 | -$63,505,439 | $30.15 | 212 |
| 2021 Q1 | 90,911,569 | $2,315,371,131 | -$23,389,852 | $25.47 | 203 |
| 2020 Q4 | 92,058,476 | $2,258,810,687 | +$106,791,044 | $24.54 | 192 |
| 2020 Q3 | 83,479,052 | $1,358,832,149 | -$39,891,998 | $16.28 | 197 |
| 2020 Q2 | 85,777,576 | $1,466,013,702 | +$61,398,857 | $17.10 | 201 |
| 2020 Q1 | 83,231,353 | $968,853,295 | -$26,947,411 | $11.64 | 209 |
| 2019 Q4 | 78,540,960 | $2,182,143,718 | -$2,791,826 | $27.79 | 251 |
| 2019 Q3 | 78,840,527 | $1,782,780,485 | -$6,934,386 | $22.62 | 219 |
| 2019 Q2 | 79,054,519 | $1,993,187,824 | -$510,543 | $25.23 | 238 |
| 2019 Q1 | 78,918,632 | $2,144,069,706 | -$118,881,793 | $27.17 | 278 |
| 2018 Q4 | 82,328,556 | $2,716,303,519 | -$257,732,912 | $33.00 | 293 |
| 2018 Q3 | 88,694,289 | $4,137,248,940 | -$32,221,833 | $46.66 | 314 |
| 2018 Q2 | 90,230,985 | $3,905,410,774 | -$117,729,941 | $43.28 | 316 |
| 2018 Q1 | 92,031,961 | $5,118,722,535 | -$86,567,667 | $55.63 | 339 |
| 2017 Q4 | 93,596,765 | $5,000,849,194 | +$96,663,718 | $53.44 | 323 |
| 2017 Q3 | 92,818,145 | $4,002,496,859 | -$196,613,862 | $43.12 | 331 |
| 2017 Q2 | 94,859,395 | $5,726,331,075 | -$369,776,488 | $60.37 | 327 |
| 2017 Q1 | 100,262,480 | $6,954,874,567 | +$634,431,911 | $69.38 | 356 |
| 2016 Q4 | 98,751,503 | $6,583,253,036 | +$97,708,796 | $66.66 | 381 |
| 2016 Q3 | 94,794,649 | $6,277,453,187 | +$163,638,549 | $66.25 | 380 |
| 2016 Q2 | 92,327,762 | $6,676,724,253 | +$98,740,366 | $72.43 | 387 |
| 2016 Q1 | 88,819,753 | $5,744,317,903 | -$31,317,321 | $64.62 | 374 |
| 2015 Q4 | 95,530,464 | $6,847,721,640 | +$277,836,526 | $71.66 | 396 |
| 2015 Q3 | 90,953,053 | $6,985,029,453 | -$724,797,608 | $76.79 | 374 |
| 2015 Q2 | 97,202,644 | $7,203,494,333 | +$133,113,975 | $74.11 | 356 |
| 2015 Q1 | 95,034,079 | $6,887,622,948 | -$164,723,218 | $72.51 | 351 |
| 2014 Q4 | 97,461,526 | $6,442,574,000 | -$154,384,394 | $66.11 | 332 |
| 2014 Q3 | 99,323,995 | $5,445,164,402 | +$36,506,691 | $54.82 | 325 |
| 2014 Q2 | 98,740,602 | $5,741,781,613 | -$94,369,358 | $58.15 | 331 |
| 2014 Q1 | 100,477,966 | $6,226,479,350 | -$136,235,726 | $61.98 | 314 |