Jane Street
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Jane Street’s Pediatrix Medical MD Stock Holding History

Jane Street’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
2022
Q1 		– Sell
-8,300
Closed -$226K – 10730
2021
Q4 		$226K Buy
8,300
+1,000
+14% +$26.8K ﹤0.01% 8636
2021
Q3 		$208K Sell
7,300
-16,300
-69% -$497K ﹤0.01% 8778
2021
Q2 		$712K Buy
23,600
+10,000
+74% +$295K ﹤0.01% 6552
2021
Q1 		$346K Buy
13,600
+3,600
+36% +$92.2K ﹤0.01% 7472
2020
Q4 		$245K Buy
+10,000
New +$188K ﹤0.01% 6697

Other funds holding MD

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Victory Capital Management
Victory Capital Management San Antonio, Texas $178B AUM 37.23% 1-Year Est. Return
WA
Wasatch Advisors Salt Lake City, Utah $15.3B AUM 25.06% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
Fuller & Thaler Asset Management
Fuller & Thaler Asset Management San Mateo, California $36.7B AUM 74.15% 1-Year Est. Return

Jane Street's MD Position: Q2 2026 in Review

Jane Street reduced its Pediatrix Medical (MD) stake by 83% in Q2 2026, selling an estimated $4.11M and leaving 38,029 shares worth $963K. The position accounts for ﹤0.01% of the portfolio, ranked #6631.

Jane Street first reported a position in MD in Q3 2013 and has held it in 32 quarters since. The position peaked at $4.68M in Q1 2026. 304 funds tracked by Wall St. Rank hold MD as of Q2 2026.

  • Jane Street held 38,029 shares of Pediatrix Medical worth $963K as of Q2 2026.
  • Jane Street sold 180,626 Pediatrix Medical shares in Q2 2026, an estimated $4.11M.
  • Pediatrix Medical made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #6631 holding.
  • Jane Street first reported a position in Pediatrix Medical in Q3 2013 and has held it in 32 quarters since.
  • Jane Street's Pediatrix Medical position peaked at $4.68M in Q1 2026.
  • 304 funds tracked by Wall St. Rank held Pediatrix Medical as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.