Security key
58502B106
Pediatrix Medical Group, Inc. - Common Stock (MD)
CUSIP: 58502B106
Q1 2025 13F Holders as of 31 Mar 2025
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 80,224,836
- Total 13F value
- $1,161,325,326
- Share change
- -2,075,496
- Put/Call ratio
- 4.8%
- SEC-reported price per share
- $14.49
- Number of holders
- 239
- Value change
- -$29,361,456
- Number of buys
- 113
- Number of sells
- 102
- Shares outstanding
- 82,751,196
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q1 2025
Institutions
239
Top holders
10
MD full security history
Ownership snapshot
Full 13F holder table
Pediatrix Medical Group, Inc. SEC filings
Pediatrix Medical Group, Inc. company facts
Broader feeds
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
Rubric Capital Management LP
Disclosed value leader
BlackRock, Inc.
Comparable rows
15/15
Latest evidence
31 Dec 2024
13F
13D/G
Lead comparable stake: 3.7%
13D/G row: Rubric Capital Management LP
Showing 1-6 of 15 holder rows.
Quick read
Rubric Capital Management LP leads the comparable SEC ownership view at 3.7%.
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.
Open SEC evidence
Opens Rubric Capital Management LP's linked filing trail.
Comparable ownership
Top 5
Rubric Capital Management LP
3.7%
BlackRock, Inc.
17%
VANGUARD GROUP INC
13%
ALLIANCEBERNSTEIN L.P.
8.9%
STATE STREET CORP
4.3%
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 |
|---|---|---|---|---|---|
| Rubric Capital Management LP |
13F
13D/G
Company
|
3.7%
from 13D/G
|
$41,307,533
3,148,440 shares
|
— | 31 Dec 2024 |
| BlackRock, Inc. |
13F
Company
|
17%
|
$186,079,077
14,182,857 shares
|
— | 31 Dec 2024 |
| VANGUARD GROUP INC |
13F
Company
|
13%
|
$141,861,457
10,812,611 shares
|
— | 31 Dec 2024 |
| ALLIANCEBERNSTEIN L.P. |
13F
Company
|
8.9%
|
$96,438,416
7,350,489 shares
|
— | 31 Dec 2024 |
| STATE STREET CORP |
13F
Company
|
4.3%
|
$47,025,111
3,584,231 shares
|
— | 31 Dec 2024 |
| DIMENSIONAL FUND ADVISORS LP |
13F
Company
|
3.9%
|
$42,752,817
3,258,539 shares
|
— | 31 Dec 2024 |
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 Q1 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
239
Shares
80,224,836
Rows available
239
| 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 Q1 2025 vs Q1 2025 Across Filers
Q1 2025 holders
239
Q1 2025 holders
239
Holder diff
0
| Investor | Q1 2025 Shares | Q1 2025 Shares | Share Diff | Share Chg % | Q1 2025 value | Q1 2025 value | Value change | Value Chg % |
|---|