Jane Street
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Jane Street’s New Mountain Finance NMFC Stock Holding History

Jane Street’s Portfolio NMFC Stock Details NMFC Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$133K Sell
18,485
-6,524
-26% -$51.9K ﹤0.01% 10439
2026
Q1 		$194K Sell
25,009
-365,581
-94% -$3.05M ﹤0.01% 10178
2025
Q4 		$3.6M Buy
390,590
+379,225
+3,337% +$3.58M ﹤0.01% 3744
2025
Q3 		$110K Buy
+11,365
New +$118K ﹤0.01% 10096
2025
Q2 		– Sell
-13,515
Closed -$149K – 10463
2025
Q1 		$149K Sell
13,515
-90,770
-87% -$1.03M ﹤0.01% 8622
2024
Q4 		$1.17M Buy
104,285
+72,944
+233% +$841K ﹤0.01% 5069
2024
Q3 		$375K Buy
+31,341
New +$383K ﹤0.01% 7675
2024
Q2 		– Sell
-23,001
Closed -$291K – 9927
2024
Q1 		$291K Buy
23,001
+8,274
+56% +$105K ﹤0.01% 7614
2023
Q4 		$187K Buy
+14,727
New +$188K ﹤0.01% 8265
2023
Q2 		– Sell
-20,872
Closed -$254K – 9279
2023
Q1 		$254K Sell
20,872
-1,504
-7% -$18.9K ﹤0.01% 7459
2022
Q4 		$277K Buy
+22,376
New +$276K ﹤0.01% 7150
2022
Q3 		– Sell
-23,775
Closed -$283K – 10190
2022
Q2 		$283K Buy
+23,775
New +$306K ﹤0.01% 7702
2022
Q1 		– Sell
-21,332
Closed -$292K – 10790
2021
Q4 		$292K Buy
21,332
+8,268
+63% +$113K ﹤0.01% 8213
2021
Q3 		$174K Sell
13,064
-627
-5% -$8.39K ﹤0.01% 8953
2021
Q2 		$180K Buy
+13,691
New +$179K ﹤0.01% 8908
2021
Q1 		– Sell
-19,106
Closed -$217K – 9429
2020
Q4 		$217K Buy
+19,106
New +$205K ﹤0.01% 6848
2019
Q3 		– Sell
-14,619
Closed -$204K – 5526
2019
Q2 		$204K Buy
+14,619
New +$204K ﹤0.01% 4675
2018
Q1 		– Sell
-17,258
Closed -$234K – 5203
2017
Q4 		$234K Buy
+17,258
New +$243K ﹤0.01% 4028
2014
Q3 		– Sell
-40,843
Closed -$607K – 2888
2014
Q2 		$607K Buy
+40,843
New +$585K 0.01% 1262
2013
Q4 		– Sell
-29,560
Closed -$426K – 2715
2013
Q3 		$426K Buy
+29,560
New +$430K 0.01% 1836

Other funds holding NMFC

LSV Asset Management
LSV Asset Management Chicago, Illinois $55.1B AUM 45.38% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
VanEck Associates
VanEck Associates New York $164B AUM 112.45% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Russell Investments Group
Russell Investments Group London, United Kingdom $114B AUM 41.71% 1-Year Est. Return
DCM
Dimension Capital Management Coral Gables, Florida $854M AUM 21.01% 1-Year Est. Return
Corient Private Wealth
Corient Private Wealth Miami, Florida $72.2B AUM 27.85% 1-Year Est. Return
Cerity Partners
Cerity Partners New York $82.7B AUM 28.53% 1-Year Est. Return
NPT
National Philanthropic Trust Jenkintown, Pennsylvania $6.92B AUM 24.7% 1-Year Est. Return
MC
Muzinich & Co New York $293M AUM 18.57% 1-Year Est. Return

Jane Street's NMFC Position: Q2 2026 in Review

Jane Street reduced its New Mountain Finance (NMFC) stake by 26% in Q2 2026, selling an estimated $51.9K and leaving 18,485 shares worth $133K. The position accounts for ﹤0.01% of the portfolio, ranked #10439.

Jane Street first reported a position in NMFC in Q3 2013 and has held it in 20 quarters since. The position peaked at $3.6M in Q4 2025. 144 funds tracked by Wall St. Rank hold NMFC as of Q2 2026.

  • Jane Street held 18,485 shares of New Mountain Finance worth $133K as of Q2 2026.
  • Jane Street sold 6,524 New Mountain Finance shares in Q2 2026, an estimated $51.9K.
  • New Mountain Finance made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #10439 holding.
  • Jane Street first reported a position in New Mountain Finance in Q3 2013 and has held it in 20 quarters since.
  • Jane Street's New Mountain Finance position peaked at $3.6M in Q4 2025.
  • 144 funds tracked by Wall St. Rank held New Mountain Finance as of Q2 2026.

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