Security record · archived quarter
MD
Pediatrix Medical Group, Inc. · Healthcare · Medical - Care Facilities
14Tracked holders
0Δ holders
37.94MShares held
$544.34MReported value
+2New positions
−2Exits
Momentum inputs (comparable managers): holder breadth 0.0% · share flow +1.8% · net new positions 0.0% — formula
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2025
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 97 | -3 | 57.24M | $1.45B | +5 | −8 |
| Q1 2026 | 103 | +4 | 59.12M | $1.26B | +9 | −5 |
| Q4 2025 | 99 | -1 | 67.55M | $1.45B | — | −1 |
| Q3 2025 | 18 | +1 | 40.93M | $685.43M | +1 | — |
| Q2 2025 | 14 | 0 | 37.94M | $544.34M | +2 | −2 |
| Q1 2025 | 11 | +1 | 9.91M | $143.46M | +1 | — |
| Q4 2024 | 10 | -3 | 9.74M | $127.83M | — | −3 |
| Q3 2024 | 12 | 0 | 6.92M | $79.97M | +1 | −1 |
| Q2 2024 | 12 | — | 7.89M | $59.29M | — | — |
Who holds it · Q2 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 13.95M | — | $200.16M | 0.0% | n/c | 1 | SEC ↗ |
| 2 | BlackRock ✦ (passive) | 13.95M | — | $200.16M | 0.0% | n/c | 1 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 13.95M | — | $200.16M | 0.0% | n/c | 1 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 13.95M | — | $200.16M | 0.0% | n/c | 1 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 13.95M | — | $200.16M | 0.0% | n/c | 1 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 13.95M | — | $200.16M | 0.0% | n/c | 1 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 13.95M | — | $200.16M | 0.0% | n/c | 1 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 13.95M | — | $200.16M | 0.0% | n/c | 1 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 13.95M | — | $200.16M | 0.0% | n/c | 1 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 13.95M | — | $200.16M | 0.0% | n/c | 1 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 13.95M | — | $200.16M | 0.0% | n/c | 1 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 13.95M | — | $200.16M | 0.0% | n/c | 1 | SEC ↗ |
| 13 | BlackRock ✦ (passive) | 13.95M | — | $200.16M | 0.0% | n/c | 1 | SEC ↗ |
| 14 | BlackRock ✦ (passive) | 13.95M | — | $200.16M | 0.0% | n/c | 1 | SEC ↗ |
| 15 | BlackRock ✦ (passive) | 13.95M | — | $200.16M | 0.0% | n/c | 1 | SEC ↗ |
| 16 | BlackRock ✦ (passive) | 13.95M | — | $200.16M | 0.0% | n/c | 1 | SEC ↗ |
| 17 | The Vanguard Group ✦ (passive) | 10.99M | — | $157.64M | 0.0% | n/c | 1 | SEC ↗ |
| 18 | The Vanguard Group ✦ (passive) | 10.99M | — | $157.64M | 0.0% | n/c | 1 | SEC ↗ |
| 19 | The Vanguard Group ✦ (passive) | 10.99M | — | $157.64M | 0.0% | n/c | 1 | SEC ↗ |
| 20 | The Vanguard Group ✦ (passive) | 10.99M | — | $157.64M | 0.0% | n/c | 1 | SEC ↗ |
| 21 | The Vanguard Group ✦ (passive) | 10.99M | — | $157.64M | 0.0% | n/c | 1 | SEC ↗ |
| 22 | State Street Global Advisors ✦ (passive) | 3.49M | -1.0% | $50.07M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 23 | Fidelity (FMR) ✦ | 2.41M | — | $34.64M | 0.0% | n/c | 1 | SEC ↗ |
| 24 | Fidelity (FMR) ✦ | 2.41M | — | $34.64M | 0.0% | n/c | 1 | SEC ↗ |
| 25 | Fidelity (FMR) ✦ | 2.41M | — | $34.64M | 0.0% | n/c | 1 | SEC ↗ |
| 26 | Geode Capital Management ✦ (passive) | 2.00M | -0.8% | $28.69M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 27 | Geode Capital Management ✦ (passive) | 2.00M | -0.8% | $28.69M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 28 | D. E. Shaw & Co. ✦ | 1.58M | -15.7% | $22.64M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 29 | Renaissance Technologies ✦ | 1.20M | -1.4% | $17.28M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 30 | Citadel Advisors ✦ | 643.29K | +129.4% | $9.23M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 31 | Citadel Advisors ✦ | 643.29K | +129.4% | $9.23M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 32 | Point72 Asset Management ✦ | 550.84K | New | $7.90M | 0.0% | New | 1 | SEC ↗ |
| 33 | AQR Capital Management ✦ | 394.93K | -13.9% | $5.59M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 34 | AQR Capital Management ✦ | 394.93K | -13.9% | $5.59M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 35 | AQR Capital Management ✦ | 394.93K | -13.9% | $5.59M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 36 | AQR Capital Management ✦ | 394.93K | -13.9% | $5.59M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 37 | Millennium Management ✦ | 329.79K | +303.4% | $4.73M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 38 | Arrowstreet Capital ✦ | 200.91K | New | $2.88M | 0.0% | New | 1 | SEC ↗ |
| 39 | Gotham Asset Management ✦ | 115.37K | +54.8% | $1.66M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 40 | T. Rowe Price ✦ | 85.58K | +6.2% | $1.23M | 0.0% | ▲ Add | 5 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Point72 Asset Management | $7.90M | 0.0% |
| Arrowstreet Capital | $2.88M | 0.0% |
Exited
| Marshall Wace | $3.94M | was 0.0% |
| Two Sigma Investments | $453,943 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 293 holders, 82.31M shares, $1.71B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
Frequently co-owned
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Jul 14
SC 13G — DIMENSIONAL FUND ADVISORS LP
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q2 2025 ·
Methodology ·
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