Jane Street’s Rambus RMBS Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q2 | $12.6M | Buy |
95,013
+89,587
| +1,651% | +$11.7M | ﹤0.01% | 2585 |
|
|
2026
Q1 | $467K | Sell |
5,426
-29
| -0.5% | -$2.89K | ﹤0.01% | 8228 |
|
|
2025
Q4 | $501K | Sell |
5,455
-187,695
| -97% | -$18.5M | ﹤0.01% | 7678 |
|
|
2025
Q3 | $20.1M | Buy |
193,150
+84,229
| +77% | +$6.49M | ﹤0.01% | 1655 |
|
|
2025
Q2 | $6.97M | Sell |
108,921
-239,370
| -69% | -$12.8M | ﹤0.01% | 2578 |
|
|
2025
Q1 | $18M | Buy |
348,291
+123,670
| +55% | +$7.26M | ﹤0.01% | 1394 |
|
|
2024
Q4 | $11.9M | Sell |
224,621
-204,986
| -48% | -$10.4M | ﹤0.01% | 1721 |
|
|
2024
Q3 | $18.1M | Buy |
429,607
+293,596
| +216% | +$14.2M | ﹤0.01% | 1315 |
|
|
2024
Q2 | $7.99M | Buy |
136,011
+70,079
| +106% | +$4.01M | ﹤0.01% | 2296 |
|
|
2024
Q1 | $4.08M | Sell |
65,932
-215,079
| -77% | -$13.6M | ﹤0.01% | 2939 |
|
|
2023
Q4 | $19.2M | Buy |
281,011
+180,641
| +180% | +$11.3M | 0.01% | 1303 |
|
|
2023
Q3 | $5.6M | Buy |
100,370
+19,926
| +25% | +$1.13M | ﹤0.01% | 2458 |
|
|
2023
Q2 | $5.16M | Buy |
80,444
+18,768
| +30% | +$1.03M | ﹤0.01% | 2687 |
|
|
2023
Q1 | $3.16M | Sell |
61,676
-31,610
| -34% | -$1.36M | ﹤0.01% | 3063 |
|
|
2022
Q4 | $3.34M | Buy |
93,286
+74,774
| +404% | +$2.53M | ﹤0.01% | 3059 |
|
|
2022
Q3 | $471K | Buy |
+18,512
| New | +$463K | ﹤0.01% | 6799 |
|
|
2022
Q2 | – | Sell |
-13,767
| Closed | -$341K | – | 10686 |
|
|
2022
Q1 | $439K | Buy |
+13,767
| New | +$381K | ﹤0.01% | 7722 |
|
|
2021
Q4 | – | Sell |
-40,805
| Closed | -$1.04M | – | 10708 |
|
|
2021
Q3 | $906K | Sell |
40,805
-5,152
| -11% | -$121K | ﹤0.01% | 6111 |
|
|
2021
Q2 | $1.09M | Buy |
45,957
+20,213
| +79% | +$407K | ﹤0.01% | 5643 |
|
|
2021
Q1 | $501K | Buy |
25,744
+13,146
| +104% | +$264K | ﹤0.01% | 6800 |
|
|
2020
Q4 | $220K | Buy |
+12,598
| New | +$198K | ﹤0.01% | 6834 |
|
|
2019
Q1 | – | Sell |
-43,830
| Closed | -$336K | – | 5526 |
|
|
2018
Q4 | $336K | Buy |
+43,830
| New | +$381K | ﹤0.01% | 3928 |
|
|
2018
Q3 | – | Sell |
-193,248
| Closed | -$2.35M | – | 5615 |
|
|
2018
Q2 | $2.42M | Buy |
+193,248
| New | +$2.61M | 0.01% | 1722 |
|
|
2016
Q2 | – | Sell |
-30,072
| Closed | -$413K | – | 4506 |
|
|
2016
Q1 | $413K | Sell |
30,072
-4,150
| -12% | -$51.5K | ﹤0.01% | 2812 |
|
|
2015
Q4 | $397K | Buy |
34,222
+18,271
| +115% | +$211K | ﹤0.01% | 2753 |
|
|
2015
Q3 | $188K | Buy |
+15,951
| New | +$207K | ﹤0.01% | 3214 |
|
|
2015
Q1 | – | Sell |
-12,213
| Closed | -$135K | – | 3421 |
|
|
2014
Q4 | $135K | Sell |
12,213
-1,352
| -10% | -$15.3K | ﹤0.01% | 2305 |
|
|
2014
Q3 | $169K | Buy |
+13,565
| New | +$171K | ﹤0.01% | 2265 |
|
|
2014
Q1 | – | Sell |
-65,810
| Closed | -$623K | – | 3005 |
|
|
2013
Q4 | $623K | Buy |
65,810
+39,246
| +148% | +$353K | 0.01% | 1071 |
|
|
2013
Q3 | $250K | Sell |
26,564
-19,218
| -42% | -$176K | ﹤0.01% | 2237 |
|
|
2013
Q2 | $393K | Buy |
+45,782
| New | +$341K | 0.01% | 1647 |
|
Other funds holding RMBS
Jane Street's RMBS Position: Q2 2026 in Review
Jane Street increased its Rambus (RMBS) stake by 1,651% in Q2 2026, buying an estimated $11.7M and bringing the position to 95,013 shares worth $12.6M. The position accounts for ﹤0.01% of the portfolio, ranked #2585.
Jane Street first reported a position in RMBS in Q2 2013 and has held it in 31 quarters since. The position peaked at $20.1M in Q3 2025. 617 funds tracked by Wall St. Rank hold RMBS as of Q2 2026.
- Jane Street held 95,013 shares of Rambus worth $12.6M as of Q2 2026.
- Jane Street bought 89,587 Rambus shares in Q2 2026, an estimated $11.7M.
- Rambus made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #2585 holding.
- Jane Street first reported a position in Rambus in Q2 2013 and has held it in 31 quarters since.
- Jane Street's Rambus position peaked at $20.1M in Q3 2025.
- 617 funds tracked by Wall St. Rank held Rambus as of Q2 2026.
Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.