Jane Street’s iShares MSCI USA Size Factor ETF SIZE Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | – | Sell |
-17,000
| Closed | -$2.75M | – | 12864 |
|
|
2025
Q4 | $2.75M | Buy |
+17,000
| New | +$2.74M | ﹤0.01% | 4199 |
|
|
2025
Q2 | – | Sell |
-9,890
| Closed | -$1.44M | – | 10776 |
|
|
2025
Q1 | $1.44M | Buy |
9,890
+1,144
| +13% | +$172K | ﹤0.01% | 4919 |
|
|
2024
Q4 | $1.3M | Sell |
8,746
-18,493
| -68% | -$2.82M | ﹤0.01% | 4905 |
|
|
2024
Q3 | $4.05M | Buy |
27,239
+3,389
| +14% | +$483K | ﹤0.01% | 3204 |
|
|
2024
Q2 | $3.28M | Buy |
+23,850
| New | +$3.28M | ﹤0.01% | 3669 |
|
|
2024
Q1 | – | Sell |
-10,701
| Closed | -$1.41M | – | 9999 |
|
|
2023
Q4 | $1.41M | Sell |
10,701
-23,592
| -69% | -$2.85M | ﹤0.01% | 4930 |
|
|
2023
Q3 | $4.03M | Buy |
+34,293
| New | +$4.23M | ﹤0.01% | 2924 |
|
|
2022
Q4 | – | Sell |
-16,799
| Closed | -$1.75M | – | 10063 |
|
|
2022
Q3 | $1.75M | Buy |
16,799
+10,094
| +151% | +$1.17M | ﹤0.01% | 4420 |
|
|
2022
Q2 | $738K | Sell |
6,705
-45,311
| -87% | -$5.44M | ﹤0.01% | 6030 |
|
|
2022
Q1 | $6.78M | Buy |
52,016
+38,719
| +291% | +$5M | ﹤0.01% | 2551 |
|
|
2021
Q4 | $1.82M | Buy |
+13,297
| New | +$1.79M | ﹤0.01% | 4657 |
|
|
2021
Q3 | – | Sell |
-66,756
| Closed | -$8.64M | – | 10640 |
|
|
2021
Q2 | $8.64M | Buy |
+66,756
| New | +$8.42M | ﹤0.01% | 1882 |
|
|
2021
Q1 | – | Sell |
-4,687
| Closed | -$521K | – | 9539 |
|
|
2020
Q4 | $521K | Sell |
4,687
-8,407
| -64% | -$870K | ﹤0.01% | 5678 |
|
|
2020
Q3 | $1.23M | Buy |
13,094
+780
| +6% | +$72.6K | ﹤0.01% | 3747 |
|
|
2020
Q2 | $1.08M | Buy |
+12,314
| New | +$1.01M | ﹤0.01% | 3949 |
|
|
2020
Q1 | – | Sell |
-114,876
| Closed | -$11.2M | – | 5913 |
|
|
2019
Q4 | $11.2M | Buy |
114,876
+52,409
| +84% | +$4.9M | 0.02% | 590 |
|
|
2019
Q3 | $5.67M | Buy |
+62,467
| New | +$5.66M | 0.01% | 904 |
|
|
2019
Q2 | – | Sell |
-93,890
| Closed | -$8.26M | – | 5671 |
|
|
2019
Q1 | $8.26M | Buy |
93,890
+43,270
| +85% | +$3.67M | 0.01% | 798 |
|
|
2018
Q4 | $3.88M | Buy |
50,620
+37,406
| +283% | +$3.09M | 0.01% | 1113 |
|
|
2018
Q3 | $1.16M | Sell |
13,214
-12,317
| -48% | -$1.07M | ﹤0.01% | 2590 |
|
|
2018
Q2 | $2.15M | Buy |
25,531
+9,429
| +59% | +$789K | 0.01% | 1856 |
|
|
2018
Q1 | $1.33M | Sell |
16,102
-11,680
| -42% | -$988K | ﹤0.01% | 2310 |
|
|
2017
Q4 | $2.33M | Buy |
27,782
+3,281
| +13% | +$268K | 0.01% | 1451 |
|
|
2017
Q3 | $1.94M | Sell |
24,501
-14,890
| -38% | -$1.17M | 0.01% | 1621 |
|
|
2017
Q2 | $3.06M | Buy |
39,391
+12,811
| +48% | +$983K | 0.01% | 1114 |
|
|
2017
Q1 | $2.01M | Buy |
+26,580
| New | +$1.98M | 0.01% | 1372 |
|
|
2016
Q1 | – | Sell |
-11,818
| Closed | -$772K | – | 4596 |
|
|
2015
Q4 | $772K | Sell |
11,818
-89,315
| -88% | -$5.81M | ﹤0.01% | 2013 |
|
|
2015
Q3 | $6.25M | Buy |
101,133
+60,900
| +151% | +$3.94M | 0.04% | 380 |
|
|
2015
Q2 | $2.63M | Sell |
40,233
-20,665
| -34% | -$1.38M | 0.02% | 821 |
|
|
2015
Q1 | $4.06M | Buy |
+60,898
| New | +$4.03M | 0.03% | 500 |
|
Other funds holding SIZE
JRFS
TWM
SFS
Jane Street's SIZE Position: Q1 2026 in Review
Jane Street sold out of iShares MSCI USA Size Factor ETF (SIZE) in Q1 2026, closing a stake of 17,000 shares — an estimated $2.75M sold.
Jane Street first reported a position in SIZE in Q1 2015 and held it in 30 quarters. The position peaked at $11.2M in Q4 2019. 71 funds tracked by Wall St. Rank hold SIZE as of Q1 2026.
- Jane Street reported no remaining iShares MSCI USA Size Factor ETF position as of Q1 2026 after selling out during the quarter.
- Jane Street sold 17,000 iShares MSCI USA Size Factor ETF shares in Q1 2026, an estimated $2.75M.
- Jane Street first reported a position in iShares MSCI USA Size Factor ETF in Q1 2015 and held it in 30 quarters.
- Jane Street's iShares MSCI USA Size Factor ETF position peaked at $11.2M in Q4 2019.
- 71 funds tracked by Wall St. Rank held iShares MSCI USA Size Factor ETF as of Q1 2026.
Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.