We are live on ! Find out more
MD icon

Pediatrix Medical
MD

241 hedge funds and large institutions have $1.16B invested in Pediatrix Medical in 2025 Q1 according to their latest regulatory filings, with 35 funds opening new positions, 80 increasing their positions, 85 reducing their positions, and 20 closing their positions.

New
Increased
Maintained
Reduced
Closed

2,331% more call options, than puts

Call options by funds: $2.67M | Put options by funds: $110K

75% more first-time investments, than exits

New positions opened: 35 | Existing positions closed: 20

7% more capital invested

Capital invested by funds: $1.08B → $1.16B (+$80.8M)

5% more funds holding

Funds holding: 229 → 241 (+12)

0% more funds holding in top 10

Funds holding in top 10: 1 → 1 (0)

6% less repeat investments, than reductions

Existing positions increased: 80 | Existing positions reduced: 85

2.41% less ownership

Funds ownership: 95.82% → 93.41% (-2.4%)

Holders
241
Holders Change
+12
Holders Change %
+5.24%
% of All Funds
3.23%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.01%
New
35
Increased
80
Reduced
85
Closed
20
Calls
$2.67M
Puts
$110K
Net Calls
+$2.56M
Net Calls Change
+$1.89M

Top Buyers

Rank Fund Capital Flow
1
Renaissance Technologies
Renaissance Technologies
New York
+$5.43M
2
Marshall Wace
Marshall Wace
United Kingdom
+$3.86M
3
Bank of America
Bank of America
North Carolina
+$3.64M
4
LSV Asset Management
LSV Asset Management
Illinois
+$3.04M
5
Teacher Retirement System of Texas
Teacher Retirement System of Texas
Texas
+$2.53M

Top Sellers

Rank Fund Capital Flow
1
Pacer Advisors
Pacer Advisors
Pennsylvania
-$24.3M
2
AllianceBernstein
AllianceBernstein
Tennessee
-$7.07M
3
D.E. Shaw & Co
D.E. Shaw & Co
New York
-$3.85M
4
Citadel Advisors
Citadel Advisors
Florida
-$3.56M
5
American Century Companies
American Century Companies
Missouri
-$3.37M
Name Holding Trade Value Shares
Change 		Change in
Stake
Jane Street
51
Jane Street
New York
$3.1M -$404K -28,465 -12%
CEI
52
Clark Estates Inc
New York
$2.96M -$1.11M -78,127 -28%
RA
53
Royce & Associates
New York
$2.92M -$63.2K -4,452 -2%
Axa
54
Axa
France
$2.86M +$307K +21,641 +12%
Swiss National Bank
55
Swiss National Bank
Switzerland
$2.41M -$36.9K -2,600 -2%
Federated Hermes
56
Federated Hermes
Pennsylvania
$2.37M -$52.2K -3,674 -2%
BCC
57
Bridge City Capital
Oregon
$2.18M +$25.5K +1,794 +1%
LPL Financial
58
LPL Financial
California
$2.09M +$731K +51,490 +55%
UBS Group
59
UBS Group
Switzerland
$2.05M +$52.1K +3,668 +3%
SEI Investments
60
SEI Investments
Pennsylvania
$2.04M +$99.3K +6,994 +5%
New York State Teachers Retirement System (NYSTRS)
61
New York State Teachers Retirement System (NYSTRS)
New York
$1.93M +$35.9K +2,527 +2%
Susquehanna International Group
62
Susquehanna International Group
Pennsylvania
$1.93M +$1M +70,407 +112%
RC
63
RBF Capital
California
$1.88M – – –
Citigroup
64
Citigroup
New York
$1.88M +$92.6K +6,519 +5%
SCM
65
Sandler Capital Management
New York
$1.81M +$1.77M +124,761 New
Barclays
66
Barclays
United Kingdom
$1.75M -$431K -30,309 -20%
SIM
67
SummerHaven Investment Management
Connecticut
$1.63M +$14.6K +1,028 +0.9%
WG
68
Winton Group
United Kingdom
$1.23M -$70.2K -4,945 -5%
HSA
69
Hussman Strategic Advisors
Maryland
$1.22M +$1.19M +84,000 New
Millennium Management
70
Millennium Management
New York
$1.18M +$661K +46,541 +132%
T. Rowe Price Associates
71
T. Rowe Price Associates
Maryland
$1.17M +$45.3K +3,192 +4%
California State Teachers Retirement System (CalSTRS)
72
California State Teachers Retirement System (CalSTRS)
California
$1.16M – – –
SDIC
73
South Dakota Investment Council
South Dakota
$1.15M – – –
Pathstone Holdings
74
Pathstone Holdings
New Jersey
$1.15M +$149K +10,481 +15%
GCM
75
Graham Capital Management
Connecticut
$1.12M +$597K +42,010 +119%
1 2
3
4 5

MD Hedge Fund Activity: Q1 2025 in Review

241 of the 7,459 institutional investors tracked by Wall St. Rank reported a position in Pediatrix Medical (MD) for Q1 2025, worth a combined $1.16B — up 7.5% from $1.08B a quarter earlier.

Buyers outnumbered sellers: 35 funds opened new MD positions and 20 closed out — a net gain of 15 holders — while 80 added to existing stakes and 85 trimmed.

The largest buyer was Renaissance Technologies, adding an estimated $5.43M. The largest seller was Pacer Advisors, cutting an estimated $24.3M.

  • 241 institutional investors held Pediatrix Medical (MD) as of Q1 2025, up from 229 in Q4 2024.
  • Funds reported $1.16B of Pediatrix Medical stock for Q1 2025, up 7.5% quarter-over-quarter.
  • 35 funds opened new Pediatrix Medical positions in Q1 2025 and 20 closed out, a net change of +15 holders.
  • The largest Pediatrix Medical buyer in Q1 2025 was Renaissance Technologies, an estimated $5.43M added.
  • The largest Pediatrix Medical seller in Q1 2025 was Pacer Advisors, an estimated $24.3M sold.

Based on aggregated 13F filings for Q1 2025.