Jeff Yass’s SELLAS Life Sciences SLS Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q2 | $106M | Sell |
7,157,200
-466,900
| -6% | -$3.22M | 0.01% | 937 |
|
|
2026
Q1 | $32.2M | Buy |
7,624,100
+1,928,600
| +34% | +$8.63M | ﹤0.01% | 1665 |
|
|
2025
Q4 | $21.5M | Buy |
5,695,500
+2,907,400
| +104% | +$5.65M | ﹤0.01% | 2128 |
|
|
2025
Q3 | $4.49M | Buy |
2,788,100
+2,557,300
| +1,108% | +$4.56M | ﹤0.01% | 4256 |
|
|
2025
Q2 | $505K | Buy |
230,800
+219,400
| +1,925% | +$337K | ﹤0.01% | 9157 |
|
|
2025
Q1 | $12.3K | Sell |
11,400
-1,523,400
| -99% | -$1.81M | ﹤0.01% | 12198 |
|
|
2024
Q4 | $1.6M | Buy |
1,534,800
+78,600
| +5% | +$89.7K | ﹤0.01% | 5805 |
|
|
2024
Q3 | $1.82M | Sell |
1,456,200
-183,700
| -11% | -$225K | ﹤0.01% | 5449 |
|
|
2024
Q2 | $1.95M | Buy |
1,639,900
+267,200
| +19% | +$364K | ﹤0.01% | 5146 |
|
|
2024
Q1 | $1.39M | Buy |
1,372,700
+865,100
| +170% | +$727K | ﹤0.01% | 6181 |
|
|
2023
Q4 | $538K | Buy |
507,600
+459,700
| +960% | +$497K | ﹤0.01% | 8482 |
|
|
2023
Q3 | $78.6K | Buy |
47,900
+4,000
| +9% | +$6.31K | ﹤0.01% | 11077 |
|
|
2023
Q2 | $68.9K | Sell |
43,900
-112,000
| -72% | -$180K | ﹤0.01% | 11191 |
|
|
2023
Q1 | $223K | Sell |
155,900
-129,200
| -45% | -$320K | ﹤0.01% | 10362 |
|
|
2022
Q4 | $673K | Buy |
285,100
+129,300
| +83% | +$363K | ﹤0.01% | 7121 |
|
|
2022
Q3 | $315K | Buy |
155,800
+26,700
| +21% | +$73.7K | ﹤0.01% | 9680 |
|
|
2022
Q2 | $288K | Buy |
129,100
+83,300
| +182% | +$244K | ﹤0.01% | 9675 |
|
|
2022
Q1 | $306K | Sell |
45,800
-25,900
| -36% | -$151K | ﹤0.01% | 10237 |
|
|
2021
Q4 | $397K | Sell |
71,700
-100,800
| -58% | -$763K | ﹤0.01% | 9802 |
|
|
2021
Q3 | $1.58M | Buy |
172,500
+115,800
| +204% | +$1.07M | ﹤0.01% | 6348 |
|
|
2021
Q2 | $629K | Sell |
56,700
-108,900
| -66% | -$1.06M | ﹤0.01% | 9009 |
|
|
2021
Q1 | $1.41M | Buy |
165,600
+136,100
| +461% | +$1.11M | ﹤0.01% | 6809 |
|
|
2020
Q4 | $171K | Buy |
+29,500
| New | +$118K | ﹤0.01% | 10162 |
|
|
2019
Q1 | – | Sell |
-280
| Closed | -$17K | – | 9756 |
|
|
2018
Q4 | $17K | Hold |
280
| – | – | ﹤0.01% | 8699 |
|
|
2018
Q3 | $17K | Hold |
280
| – | – | ﹤0.01% | 9013 |
|
|
2018
Q2 | $48K | Hold |
280
| – | – | ﹤0.01% | 9284 |
|
|
2018
Q1 | $48K | Buy |
280
+167
| +148% | +$47.7K | ﹤0.01% | 8962 |
|
|
2017
Q4 | $44K | Sell |
113
-9
| -7% | -$4.35K | ﹤0.01% | 8940 |
|
|
2017
Q3 | $64K | Sell |
122
-6
| -5% | -$3.96K | ﹤0.01% | 8488 |
|
|
2017
Q2 | $112K | Buy |
128
+4
| +3% | +$3.48K | ﹤0.01% | 8637 |
|
|
2017
Q1 | $113K | Sell |
124
-563
| -82% | -$932K | ﹤0.01% | 8336 |
|
|
2016
Q4 | $2M | Buy |
+687
| New | +$3.99M | ﹤0.01% | 4070 |
|
Other funds holding SLS
AFM
Jeff Yass's SLS Position: Q2 2026 in Review
Jeff Yass increased its SELLAS Life Sciences (SLS) stake by 416% in Q2 2026, buying an estimated $11.4M and bringing the position to 2,050,597 shares worth $30.3M. The position accounts for ﹤0.01% of the portfolio, ranked #2008.
Jeff Yass first reported a position in SLS in Q4 2016 and has held it in 19 quarters since. 190 funds tracked by Wall St. Rank hold SLS as of Q2 2026.
- Jeff Yass held 2,050,597 shares of SELLAS Life Sciences worth $30.3M as of Q2 2026.
- Jeff Yass bought 1,653,541 SELLAS Life Sciences shares in Q2 2026, an estimated $11.4M.
- SELLAS Life Sciences made up ﹤0.01% of Jeff Yass's portfolio in Q2 2026, its #2008 holding.
- Jeff Yass first reported a position in SELLAS Life Sciences in Q4 2016 and has held it in 19 quarters since.
- 190 funds tracked by Wall St. Rank held SELLAS Life Sciences as of Q2 2026.
Based on Susquehanna International Group's 13F filing for Q2 2026, filed 14 Aug 2026.