Security key
58502B106
Pediatrix Medical Group, Inc. - Common Stock (MD)
CUSIP: 58502B106
Q4 2025 13F Holders as of 31 Dec 2025
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 82,762,026
- Total 13F value
- $1,770,483,327
- Share change
- +2,645,766
- Put/Call ratio
- 0%
- SEC-reported price per share
- $21.39
- Number of holders
- 298
- Value change
- +$61,332,221
- Number of buys
- 149
- Number of sells
- 129
- Shares outstanding
- 85,702,801
Holder snapshot
7 signals
Show 1 more signal
Security identity
1 source field
Report period
Q4 2025
Institutions
298
Top holders
10
MD full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q1 2026
Previous quarter: Q3 2025
Pediatrix Medical Group, Inc. SEC filings
Pediatrix Medical Group, Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 58502B106
Recent filing periods:
Ownership snapshot
Top reported holders of MD - Pediatrix Medical Group, Inc. - Common Stock (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
BlackRock, Inc.
Disclosed value leader
BlackRock, Inc.
Comparable rows
15/15
Latest evidence
30 Sep 2025
13F
13D/G
Lead comparable stake: 15%
13D/G row: BlackRock, Inc.
Showing 1-6 of 15 holder rows.
Quick read
BlackRock, Inc. leads the comparable SEC ownership view at 15%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Comparable ownership
Top 5
BlackRock, Inc.
15%
Rubric Capital Management LP
3.7%
ALLIANCEBERNSTEIN L.P.
2.2%
VANGUARD GROUP INC
13%
VICTORY CAPITAL MANAGEMENT INC
4.8%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| BlackRock, Inc. |
13F
13D/G
Company
|
15%
from 13D/G
|
$231,975,399
13,849,278 shares
|
— | 30 Sep 2025 |
| Rubric Capital Management LP |
13D/G
|
3.7%
|
$38,914,718
3,148,440 shares
|
$0 | 31 Dec 2024 |
| ALLIANCEBERNSTEIN L.P. |
13D/G
13F
Company
|
2.2%
|
$27,805,682
1,928,272 shares
|
-$71,010,122 | 31 May 2025 |
| VANGUARD GROUP INC |
13F
Company
|
13%
|
$182,455,791
10,892,883 shares
|
— | 30 Sep 2025 |
| VICTORY CAPITAL MANAGEMENT INC |
13F
Company
|
4.8%
|
$69,113,968
4,126,207 shares
|
— | 30 Sep 2025 |
| STATE STREET CORP |
13F
Company
|
4.1%
|
$59,139,225
3,530,700 shares
|
— | 30 Sep 2025 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q4 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
298
Shares
82,762,026
Rows available
298
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q4 2025 vs Q3 2025 Across Filers
Q3 2025 holders
265
Q4 2025 holders
298
Holder diff
33
| Investor | Q3 2025 Shares | Q4 2025 Shares | Share Diff | Share Chg % | Q3 2025 value | Q4 2025 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend