Jane Street’s SIGA Technologies SIGA Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $279K | Sell |
52,080
-68,778
| -57% | -$429K | ﹤0.01% | 9384 |
|
|
2025
Q4 | $738K | Buy |
120,858
+12,312
| +11% | +$87.6K | ﹤0.01% | 6826 |
|
|
2025
Q3 | $993K | Buy |
108,546
+10,313
| +10% | +$82.4K | ﹤0.01% | 6325 |
|
|
2025
Q2 | $640K | Sell |
98,233
-15,914
| -14% | -$95.4K | ﹤0.01% | 6482 |
|
|
2025
Q1 | $626K | Buy |
114,147
+79,965
| +234% | +$474K | ﹤0.01% | 6454 |
|
|
2024
Q4 | $205K | Sell |
34,182
-124,737
| -78% | -$834K | ﹤0.01% | 8371 |
|
|
2024
Q3 | $1.07M | Buy |
158,919
+50,821
| +47% | +$444K | ﹤0.01% | 5749 |
|
|
2024
Q2 | $820K | Buy |
108,098
+47,007
| +77% | +$383K | ﹤0.01% | 6158 |
|
|
2024
Q1 | $523K | Buy |
61,091
+18,308
| +43% | +$105K | ﹤0.01% | 6590 |
|
|
2023
Q4 | $240K | Buy |
+42,783
| New | +$229K | ﹤0.01% | 7960 |
|
|
2023
Q3 | – | Sell |
-26,209
| Closed | -$132K | – | 9310 |
|
|
2023
Q2 | $132K | Sell |
26,209
-12,461
| -32% | -$70.8K | ﹤0.01% | 7875 |
|
|
2023
Q1 | $222K | Buy |
38,670
+1,727
| +5% | +$11.5K | ﹤0.01% | 7690 |
|
|
2022
Q4 | $272K | Sell |
36,943
-14,387
| -28% | -$126K | ﹤0.01% | 7180 |
|
|
2022
Q3 | $529K | Sell |
51,330
-72,184
| -58% | -$1.16M | ﹤0.01% | 6601 |
|
|
2022
Q2 | $1.43M | Buy |
+123,514
| New | +$1.11M | ﹤0.01% | 4801 |
|
|
2022
Q1 | – | Sell |
-12,225
| Closed | -$92K | – | 10955 |
|
|
2021
Q4 | $92K | Buy |
+12,225
| New | +$93.1K | ﹤0.01% | 9287 |
|
|
2021
Q3 | – | Sell |
-13,354
| Closed | -$84K | – | 10638 |
|
|
2021
Q2 | $84K | Buy |
+13,354
| New | +$91.7K | ﹤0.01% | 9339 |
|
|
2020
Q4 | – | Sell |
-12,161
| Closed | -$84K | – | 8052 |
|
|
2020
Q3 | $84K | Sell |
12,161
-12,003
| -50% | -$81.6K | ﹤0.01% | 6798 |
|
|
2020
Q2 | $143K | Buy |
+24,164
| New | +$138K | ﹤0.01% | 6571 |
|
|
2019
Q4 | – | Sell |
-17,974
| Closed | -$92K | – | 5680 |
|
|
2019
Q3 | $92K | Buy |
+17,974
| New | +$96.9K | ﹤0.01% | 4807 |
|
|
2019
Q1 | – | Sell |
-11,641
| Closed | -$92K | – | 5571 |
|
|
2018
Q4 | $92K | Buy |
+11,641
| New | +$66.6K | ﹤0.01% | 4643 |
|
|
2014
Q4 | – | Sell |
-17,361
| Closed | -$25K | – | 2985 |
|
|
2014
Q3 | $25K | Buy |
+17,361
| New | +$34K | ﹤0.01% | 2460 |
|
|
2013
Q3 | – | Sell |
-14,963
| Closed | -$42K | – | 3069 |
|
|
2013
Q2 | $42K | Buy |
+14,963
| New | +$50.2K | ﹤0.01% | 2554 |
|
Other funds holding SIGA
AC
VCM
FWSM
Jane Street's SIGA Position: Q1 2026 in Review
Jane Street reduced its SIGA Technologies (SIGA) stake by 57% in Q1 2026, selling an estimated $429K and leaving 52,080 shares worth $279K. The position accounts for ﹤0.01% of the portfolio, ranked #9384.
Jane Street first reported a position in SIGA in Q2 2013 and has held it in 23 quarters since. The position peaked at $1.43M in Q2 2022. 183 funds tracked by Wall St. Rank hold SIGA as of Q1 2026.
- Jane Street held 52,080 shares of SIGA Technologies worth $279K as of Q1 2026.
- Jane Street sold 68,778 SIGA Technologies shares in Q1 2026, an estimated $429K.
- SIGA Technologies made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #9384 holding.
- Jane Street first reported a position in SIGA Technologies in Q2 2013 and has held it in 23 quarters since.
- Jane Street's SIGA Technologies position peaked at $1.43M in Q2 2022.
- 183 funds tracked by Wall St. Rank held SIGA Technologies as of Q1 2026.
Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.