Jeff Yass’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
Q2 | $59K | Buy |
+16,200
| New | +$72.5K | ﹤0.01% | 12767 |
|
|
2026
Q1 | – | Sell |
-39,400
| Closed | -$241K | – | 14013 |
|
|
2025
Q4 | $241K | Sell |
39,400
-15,700
| -28% | -$112K | ﹤0.01% | 10460 |
|
|
2025
Q3 | $504K | Sell |
55,100
-23,900
| -30% | -$191K | ﹤0.01% | 8930 |
|
|
2025
Q2 | $515K | Sell |
79,000
-3,500
| -4% | -$21K | ﹤0.01% | 9117 |
|
|
2025
Q1 | $452K | Sell |
82,500
-48,200
| -37% | -$285K | ﹤0.01% | 9116 |
|
|
2024
Q4 | $786K | Sell |
130,700
-357,800
| -73% | -$2.39M | ﹤0.01% | 7559 |
|
|
2024
Q3 | $3.3M | Buy |
488,500
+336,600
| +222% | +$2.94M | ﹤0.01% | 4376 |
|
|
2024
Q2 | $1.15M | Sell |
151,900
-19,600
| -11% | -$160K | ﹤0.01% | 6252 |
|
|
2024
Q1 | $1.47M | Buy |
171,500
+91,700
| +115% | +$523K | ﹤0.01% | 6057 |
|
|
2023
Q4 | $447K | Buy |
79,800
+9,800
| +14% | +$52.5K | ﹤0.01% | 8949 |
|
|
2023
Q3 | $368K | Buy |
70,000
+48,000
| +218% | +$237K | ﹤0.01% | 8925 |
|
|
2023
Q2 | $111K | Sell |
22,000
-86,400
| -80% | -$491K | ﹤0.01% | 10879 |
|
|
2023
Q1 | $623K | Sell |
108,400
-295,400
| -73% | -$1.97M | ﹤0.01% | 8026 |
|
|
2022
Q4 | $2.97M | Sell |
403,800
-109,300
| -21% | -$958K | ﹤0.01% | 4037 |
|
|
2022
Q3 | $5.29M | Buy |
513,100
+229,000
| +81% | +$3.68M | ﹤0.01% | 3071 |
|
|
2022
Q2 | $3.29M | Buy |
284,100
+144,400
| +103% | +$1.3M | ﹤0.01% | 3904 |
|
|
2022
Q1 | $990K | Sell |
139,700
-236,100
| -63% | -$1.58M | ﹤0.01% | 7141 |
|
|
2021
Q4 | $2.83M | Buy |
375,800
+121,000
| +47% | +$922K | ﹤0.01% | 4753 |
|
|
2021
Q3 | $1.88M | Buy |
+254,800
| New | +$1.63M | ﹤0.01% | 5965 |
|
|
2021
Q2 | – | Sell |
-51,400
| Closed | -$334K | – | 13194 |
|
|
2021
Q1 | $334K | Buy |
51,400
+5,000
| +11% | +$33.9K | ﹤0.01% | 10381 |
|
|
2020
Q4 | $337K | Buy |
46,400
+29,300
| +171% | +$207K | ﹤0.01% | 9050 |
|
|
2020
Q3 | $117K | Buy |
+17,100
| New | +$116K | ﹤0.01% | 9827 |
|
|
2019
Q3 | – | Sell |
-21,800
| Closed | -$124K | – | 10780 |
|
|
2019
Q2 | $124K | Sell |
21,800
-61,600
| -74% | -$341K | ﹤0.01% | 9504 |
|
|
2019
Q1 | $501K | Buy |
83,400
+29,700
| +55% | +$199K | ﹤0.01% | 6270 |
|
|
2018
Q4 | $424K | Buy |
+53,700
| New | +$307K | ﹤0.01% | 6346 |
|
|
2014
Q4 | – | Sell |
-32,900
| Closed | -$48K | – | 10043 |
|
|
2014
Q3 | $48K | Sell |
32,900
-67,600
| -67% | -$132K | ﹤0.01% | 9228 |
|
|
2014
Q2 | $283K | Buy |
100,500
+48,900
| +95% | +$137K | ﹤0.01% | 8486 |
|
|
2014
Q1 | $160K | Buy |
51,600
+36,400
| +239% | +$121K | ﹤0.01% | 8383 |
|
|
2013
Q4 | $50K | Sell |
15,200
-40,700
| -73% | -$137K | ﹤0.01% | 8798 |
|
|
2013
Q3 | $215K | Buy |
+55,900
| New | +$191K | ﹤0.01% | 7678 |
|
Other funds holding SIGA
AC
FWSM
Jeff Yass's SIGA Position: Q2 2026 in Review
Jeff Yass increased its SIGA Technologies (SIGA) stake by 115% in Q2 2026, buying an estimated $128K and bringing the position to 53,314 shares worth $194K. The position accounts for ﹤0.01% of the portfolio, ranked #11986.
Jeff Yass first reported a position in SIGA in Q2 2013 and has held it in 33 quarters since. The position peaked at $615K in Q2 2023. 160 funds tracked by Wall St. Rank hold SIGA as of Q2 2026.
- Jeff Yass held 53,314 shares of SIGA Technologies worth $194K as of Q2 2026.
- Jeff Yass bought 28,547 SIGA Technologies shares in Q2 2026, an estimated $128K.
- SIGA Technologies made up ﹤0.01% of Jeff Yass's portfolio in Q2 2026, its #11986 holding.
- Jeff Yass first reported a position in SIGA Technologies in Q2 2013 and has held it in 33 quarters since.
- Jeff Yass's SIGA Technologies position peaked at $615K in Q2 2023.
- 160 funds tracked by Wall St. Rank held SIGA Technologies as of Q2 2026.
Based on Susquehanna International Group's 13F filing for Q2 2026, filed 14 Aug 2026.