Citadel Advisors
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Citadel Advisors’s Pediatrix Medical MD Stock Holding History

Citadel Advisors’s Portfolio MD Stock Details MD Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		– Sell
-14,000
Closed -$235K – 13512
2025
Q3 		$235K Sell
14,000
-26,200
-65% -$393K ﹤0.01% 10887
2025
Q2 		$577K Buy
40,200
+7,800
+24% +$107K ﹤0.01% 8313
2025
Q1 		$469K Buy
32,400
+17,800
+122% +$253K ﹤0.01% 8602
2024
Q4 		$192K Buy
14,600
+4,200
+40% +$58K ﹤0.01% 10528
2024
Q3 		$121K Sell
10,400
-11,400
-52% -$107K ﹤0.01% 10871
2024
Q2 		$165K Sell
21,800
-8,800
-29% -$72.8K ﹤0.01% 10203
2024
Q1 		$307K Buy
30,600
+21,700
+244% +$202K ﹤0.01% 9408
2023
Q4 		$82.8K Sell
8,900
-21,100
-70% -$218K ﹤0.01% 11171
2023
Q3 		$381K Buy
30,000
+17,200
+134% +$236K ﹤0.01% 8661
2023
Q2 		$182K Sell
12,800
-2,800
-18% -$39.3K ﹤0.01% 10041
2023
Q1 		$233K Sell
15,600
-1,100
-7% -$16.7K ﹤0.01% 9901
2022
Q4 		$248K Buy
16,700
+6,000
+56% +$97.9K ﹤0.01% 9707
2022
Q3 		$177K Buy
+10,700
New +$215K ﹤0.01% 10529
2021
Q4 		– Sell
-11,100
Closed -$316K – 14369
2021
Q3 		$316K Sell
11,100
-9,400
-46% -$286K ﹤0.01% 10959
2021
Q2 		$618K Sell
20,500
-5,300
-21% -$156K ﹤0.01% 9545
2021
Q1 		$657K Buy
25,800
+6,200
+32% +$159K ﹤0.01% 9090
2020
Q4 		$481K Sell
19,600
-15,200
-44% -$285K ﹤0.01% 8213
2020
Q3 		$567K Sell
34,800
-1,500
-4% -$27.9K ﹤0.01% 7076
2020
Q2 		$621K Buy
36,300
+19,500
+116% +$289K ﹤0.01% 6679
2020
Q1 		$196K Buy
+16,800
New +$346K ﹤0.01% 8027
2019
Q2 		– Sell
-7,700
Closed -$209K – 9578
2019
Q1 		$209K Sell
7,700
-800
-9% -$26.8K ﹤0.01% 8153
2018
Q4 		$281K Sell
8,500
-10,300
-55% -$414K ﹤0.01% 7380
2018
Q3 		$877K Sell
18,800
-8,800
-32% -$404K ﹤0.01% 5782
2018
Q2 		$1.2M Buy
27,600
+2,300
+9% +$110K ﹤0.01% 4911
2018
Q1 		$1.41M Buy
25,300
+19,000
+302% +$1.04M ﹤0.01% 4276
2017
Q4 		$337K Sell
6,300
-6,900
-52% -$326K ﹤0.01% 6267
2017
Q3 		$569K Buy
13,200
+7,400
+128% +$352K ﹤0.01% 5132
2017
Q2 		$350K Buy
5,800
+2,400
+71% +$142K ﹤0.01% 5649
2017
Q1 		$236K Buy
+3,400
New +$236K ﹤0.01% 6256
2016
Q4 		– Sell
-3,700
Closed -$245K – 7605
2016
Q3 		$245K Sell
3,700
-7,300
-66% -$499K ﹤0.01% 6003
2016
Q2 		$797K Sell
11,000
-12,300
-53% -$846K ﹤0.01% 3865
2016
Q1 		$1.51M Buy
23,300
+15,500
+199% +$1.03M ﹤0.01% 2983
2015
Q4 		$559K Buy
7,800
+900
+13% +$66.6K ﹤0.01% 4318
2015
Q3 		$530K Sell
6,900
-1,700
-20% -$137K ﹤0.01% 4731
2015
Q2 		$637K Buy
8,600
+5,300
+161% +$381K ﹤0.01% 4603
2015
Q1 		$239K Buy
3,300
+1,100
+50% +$76.5K ﹤0.01% 5959
2014
Q4 		$145K Buy
2,200
+300
+16% +$18.3K ﹤0.01% 6310
2014
Q3 		$104K Sell
1,900
-1,100
-37% -$62.4K ﹤0.01% 6374
2014
Q2 		$174K Sell
3,000
-6,700
-69% -$394K ﹤0.01% 5711
2014
Q1 		$601K Buy
9,700
+7,100
+273% +$413K ﹤0.01% 4086
2013
Q4 		$139K Buy
+2,600
New +$140K ﹤0.01% 5343

Other funds holding MD

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Victory Capital Management
Victory Capital Management San Antonio, Texas $156B AUM 27.51% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
WA
Wasatch Advisors Salt Lake City, Utah $15.3B AUM 25.06% 1-Year Est. Return

Citadel Advisors's MD Position: Q1 2026 in Review

Citadel Advisors reduced its Pediatrix Medical (MD) stake by 6.5% in Q1 2026, selling an estimated $105K and leaving 73,000 shares worth $1.56M. The position accounts for ﹤0.01% of the portfolio, ranked #6626.

Citadel Advisors first reported a position in MD in Q2 2013 and has held it in 45 quarters since. The position peaked at $45.4M in Q3 2018. 296 funds tracked by Wall St. Rank hold MD as of Q1 2026.

  • Citadel Advisors held 73,000 shares of Pediatrix Medical worth $1.56M as of Q1 2026.
  • Citadel Advisors sold 5,060 Pediatrix Medical shares in Q1 2026, an estimated $105K.
  • Pediatrix Medical made up ﹤0.01% of Citadel Advisors's portfolio in Q1 2026, its #6626 holding.
  • Citadel Advisors first reported a position in Pediatrix Medical in Q2 2013 and has held it in 45 quarters since.
  • Citadel Advisors's Pediatrix Medical position peaked at $45.4M in Q3 2018.
  • 296 funds tracked by Wall St. Rank held Pediatrix Medical as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.