Jane Street’s First Trust Mid Cap Core AlphaDEX Fund FNX Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2025
Q4 | – | Sell |
-3,198
| Closed | -$401K | – | 11544 |
|
|
2025
Q3 | $401K | Buy |
+3,198
| New | +$386K | ﹤0.01% | 8312 |
|
|
2025
Q2 | – | Sell |
-2,454
| Closed | -$267K | – | 10028 |
|
|
2025
Q1 | $267K | Buy |
+2,454
| New | +$283K | ﹤0.01% | 7988 |
|
|
2024
Q3 | – | Sell |
-2,461
| Closed | -$267K | – | 9827 |
|
|
2024
Q2 | $267K | Buy |
+2,461
| New | +$269K | ﹤0.01% | 7971 |
|
|
2024
Q1 | – | Sell |
-3,888
| Closed | -$406K | – | 9473 |
|
|
2023
Q4 | $406K | Buy |
+3,888
| New | +$365K | ﹤0.01% | 7138 |
|
|
2020
Q2 | – | Sell |
-19,714
| Closed | -$951K | – | 7210 |
|
|
2020
Q1 | $951K | Buy |
19,714
+9,838
| +100% | +$638K | ﹤0.01% | 2846 |
|
|
2019
Q4 | $716K | Buy |
9,876
+2,718
| +38% | +$190K | ﹤0.01% | 3230 |
|
|
2019
Q3 | $483K | Sell |
7,158
-31,734
| -82% | -$2.15M | ﹤0.01% | 3578 |
|
|
2019
Q2 | $2.68M | Buy |
38,892
+35,067
| +917% | +$2.38M | ﹤0.01% | 1589 |
|
|
2019
Q1 | $256K | Sell |
3,825
-23,187
| -86% | -$1.52M | ﹤0.01% | 4419 |
|
|
2018
Q4 | $1.56M | Buy |
27,012
+4,365
| +19% | +$279K | ﹤0.01% | 2009 |
|
|
2018
Q3 | $1.62M | Sell |
22,647
-26,848
| -54% | -$1.91M | ﹤0.01% | 2134 |
|
|
2018
Q2 | $3.39M | Buy |
49,495
+22,853
| +86% | +$1.54M | 0.01% | 1383 |
|
|
2018
Q1 | $1.74M | Sell |
26,642
-25,586
| -49% | -$1.7M | ﹤0.01% | 2018 |
|
|
2017
Q4 | $3.43M | Buy |
52,228
+25,399
| +95% | +$1.62M | 0.01% | 1122 |
|
|
2017
Q3 | $1.66M | Buy |
26,829
+17,229
| +179% | +$1.03M | 0.01% | 1774 |
|
|
2017
Q2 | $568K | Sell |
9,600
-39,883
| -81% | -$2.34M | ﹤0.01% | 2870 |
|
|
2017
Q1 | $2.89M | Buy |
49,483
+24,176
| +96% | +$1.4M | 0.01% | 1059 |
|
|
2016
Q4 | $1.43M | Buy |
25,307
+18,827
| +291% | +$1.02M | 0.01% | 1645 |
|
|
2016
Q3 | $342K | Sell |
6,480
-3,533
| -35% | -$185K | ﹤0.01% | 3165 |
|
|
2016
Q2 | $506K | Sell |
10,013
-96,986
| -91% | -$4.85M | ﹤0.01% | 2751 |
|
|
2016
Q1 | $5.31M | Buy |
106,999
+12,763
| +14% | +$585K | 0.03% | 535 |
|
|
2015
Q4 | $4.53M | Buy |
94,236
+48,586
| +106% | +$2.42M | 0.03% | 546 |
|
|
2015
Q3 | $2.19M | Sell |
45,650
-23,890
| -34% | -$1.23M | 0.01% | 900 |
|
|
2015
Q2 | $3.75M | Buy |
+69,540
| New | +$3.83M | 0.02% | 610 |
|
|
2014
Q3 | – | Sell |
-41,078
| Closed | -$2.2M | – | 2704 |
|
|
2014
Q2 | $2.2M | Buy |
+41,078
| New | +$2.11M | 0.03% | 506 |
|
Other funds holding FNX
TCTWM
Jane Street's FNX Position: Q4 2025 in Review
Jane Street sold out of First Trust Mid Cap Core AlphaDEX Fund (FNX) in Q4 2025, closing a stake of 3,198 shares — an estimated $401K sold.
Jane Street first reported a position in FNX in Q2 2014 and held it in 25 quarters. The position peaked at $5.31M in Q1 2016. 196 funds tracked by Wall St. Rank hold FNX as of Q4 2025.
- Jane Street reported no remaining First Trust Mid Cap Core AlphaDEX Fund position as of Q4 2025 after selling out during the quarter.
- Jane Street sold 3,198 First Trust Mid Cap Core AlphaDEX Fund shares in Q4 2025, an estimated $401K.
- Jane Street first reported a position in First Trust Mid Cap Core AlphaDEX Fund in Q2 2014 and held it in 25 quarters.
- Jane Street's First Trust Mid Cap Core AlphaDEX Fund position peaked at $5.31M in Q1 2016.
- 196 funds tracked by Wall St. Rank held First Trust Mid Cap Core AlphaDEX Fund as of Q4 2025.
Based on Jane Street's 13F filing for Q4 2025, filed 12 Feb 2026.