Jane Street
MTG icon

Jane Street’s MGIC Investment MTG Stock Holding History

Jane Street’s Portfolio MTG Stock Details MTG Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q3 		– Sell
-14,700
Closed -$409K – 11418
2025
Q2 		$409K Buy
+14,700
New +$378K ﹤0.01% 7309
2023
Q1 		– Sell
-20,800
Closed -$270K – 9597
2022
Q4 		$270K Sell
20,800
-7,300
-26% -$96K ﹤0.01% 7193
2022
Q3 		$360K Buy
+28,100
New +$393K ﹤0.01% 7280
2022
Q2 		– Sell
-29,600
Closed -$401K – 10441
2022
Q1 		$401K Sell
29,600
-346,900
-92% -$5.2M ﹤0.01% 7885
2021
Q4 		$5.43M Buy
376,500
+348,400
+1,240% +$5.28M ﹤0.01% 2733
2021
Q3 		$420K Buy
28,100
+2,900
+12% +$42K ﹤0.01% 7596
2021
Q2 		$343K Sell
25,200
-69,800
-73% -$1M ﹤0.01% 7923
2021
Q1 		$1.32M Buy
95,000
+40,700
+75% +$519K ﹤0.01% 4911
2020
Q4 		$681K Buy
54,300
+15,000
+38% +$170K ﹤0.01% 5270
2020
Q3 		$348K Buy
+39,300
New +$335K ﹤0.01% 5671
2017
Q2 		– Sell
-19,300
Closed -$196K – 4680
2017
Q1 		$196K Buy
+19,300
New +$203K ﹤0.01% 3873
2016
Q1 		– Sell
-14,400
Closed -$127K – 4454
2015
Q4 		$127K Buy
+14,400
New +$135K ﹤0.01% 3745

Other funds holding MTG

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
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
LSV Asset Management
LSV Asset Management Chicago, Illinois $55.1B AUM 45.38% 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
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
Allianz Asset Management
Allianz Asset Management Munich, Germany $123B AUM 45.23% 1-Year Est. Return

Jane Street's MTG Position: Q2 2026 in Review

Jane Street reduced its MGIC Investment (MTG) stake by 63% in Q2 2026, selling an estimated $13.6M and leaving 301,018 shares worth $8.49M. The position accounts for ﹤0.01% of the portfolio, ranked #3032.

Jane Street first reported a position in MTG in Q4 2013 and has held it in 41 quarters since. The position peaked at $50.8M in Q4 2025. 510 funds tracked by Wall St. Rank hold MTG as of Q2 2026.

  • Jane Street held 301,018 shares of MGIC Investment worth $8.49M as of Q2 2026.
  • Jane Street sold 511,420 MGIC Investment shares in Q2 2026, an estimated $13.6M.
  • MGIC Investment made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #3032 holding.
  • Jane Street first reported a position in MGIC Investment in Q4 2013 and has held it in 41 quarters since.
  • Jane Street's MGIC Investment position peaked at $50.8M in Q4 2025.
  • 510 funds tracked by Wall St. Rank held MGIC Investment as of Q2 2026.

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