Jeff Yass Susquehanna International Group
Jeff Yass is a co-founder of Susquehanna International Group (SIG), a major global trading and market-making firm. SIG is known for options expertise, quantitative trading, and a training culture grounded in probabilistic decision-making. Yass’s firm is influential across derivatives markets even though it is less of a traditional long-only stock-picking franchise.
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Invesco QQQ Trust
QQQ
|
+$2.65B |
| 2 |
TSMC
TSM
|
+$1.25B |
| 3 |
Microsoft
MSFT
|
+$1.1B |
| 4 |
Micron Technology
MU
|
+$957M |
| 5 |
UnitedHealth
UNH
|
+$774M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
JPMorgan International Research Enhanced Equity ETF
JIRE
|
+$785M |
| 2 |
Broadcom
AVGO
|
+$635M |
| 3 |
Netflix
NFLX
|
+$580M |
| 4 |
Alphabet (Google) Class A
GOOGL
|
+$372M |
| 5 |
KraneShares CSI China Internet ETF
KWEB
|
+$267M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Miscellaneous | 94.37% |
| 2 | Technology | 2.02% |
| 3 | Consumer Discretionary | 0.76% |
| 4 | Healthcare | 0.56% |
| 5 | Financials | 0.54% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
12301
Protalix BioTherapeutics
PLX
$210M
| $107K | ﹤0.01% |
49,085
+10,567
| +27% | +$26.2K |
|
|
SLN
12302
PUT
Silence Therapeutics
SLN
$836M
| $106K | ﹤0.01% |
20,200
-4,800
| -19% | -$26.4K |
|
|
KWY
12303
PUT
Kingsway Corp
KWY
$290M
| $106K | ﹤0.01% |
10,200
-21,700
| -68% | -$263K |
|
|
SVA
12304
DELISTED
Sinovac Biotech, Ltd
SVA
| $106K | ﹤0.01% |
16,430
| – | – |
|
|
UYSC
12305
UY Scuti Acquisition Corp
UYSC
$56.8M
| $106K | ﹤0.01% |
10,200
| – | – |
|
|
HUYA
12306
PUT
Huya Inc
HUYA
$493M
| $106K | ﹤0.01% |
32,200
+18,900
| +142% | +$69.7K |
|
12307
PUT
Pulmonx
LUNG
$104M
| $106K | ﹤0.01% |
82,200
-8,600
| -9% | -$14.2K |
|
12308
PUT
Zentalis Pharmaceuticals
ZNTL
$367M
| $106K | ﹤0.01% |
+45,300
| New | +$117K |
|
12309
TaskUs
TASK
$753M
| $105K | ﹤0.01% |
15,712
-15,451
| -50% | -$163K |
|
12310
OppFi
OPFI
$609M
| $105K | ﹤0.01% |
+13,672
| New | +$125K |
|
12311
CALL
Odyssey Marine Exploration
OMEX
$52.9M
| $105K | ﹤0.01% |
126,700
-261,800
| -67% | -$445K |
|
12312
374Water
SCWO
$47.5M
| $105K | ﹤0.01% |
+37,028
| New | +$103K |
|
12313
PUT
Haleon
HLN
$44.2B
| $105K | ﹤0.01% |
+10,500
| New | +$109K |
|
12314
PUT
QuickLogic
QUIK
$207M
| $105K | ﹤0.01% |
11,200
-22,800
| -67% | -$186K |
|
12315
PUT
TETRA Technologies
TTI
$1.03B
| $105K | ﹤0.01% |
12,300
-51,600
| -81% | -$517K |
|
12316
CALL
Sensus Healthcare
SRTS
$55.5M
| $105K | ﹤0.01% |
+26,300
| New | +$117K |
|
|
AIV
12317
CALL
Aimco
AIV
$365M
| $105K | ﹤0.01% |
25,700
-146,800
| -85% | -$768K |
|
|
IONR
12318
Ioneer
IONR
$242M
| $104K | ﹤0.01% |
24,468
+13,159
| +116% | +$58.8K |
|
12319
CALL
Blend Labs
BLND
$364M
| $104K | ﹤0.01% |
61,200
-93,600
| -60% | -$200K |
|
12320
PUT
BTCS Inc
BTCS
$79.2M
| $104K | ﹤0.01% |
74,700
+21,700
| +41% | +$44.3K |
|
12321
Health Catalyst
HCAT
$120M
| $103K | ﹤0.01% |
81,154
+53,830
| +197% | +$101K |
|
12322
Puma Biotechnology
PBYI
$477M
| $103K | ﹤0.01% |
+16,089
| New | +$104K |
|
|
EOD
12323
Allspring Global Dividend Opportunity Fund
EOD
$287M
| $103K | ﹤0.01% |
+17,611
| New | +$106K |
|
|
MRAL
12324
GraniteShares 2x Long MARA Daily ETF
MRAL
$53.5M
| $103K | ﹤0.01% |
+3,577
| New | +$149K |
|
|
PRT
12325
PermRock Royalty Trust Unit
PRT
$27.1M
| $103K | ﹤0.01% |
31,104
-9,523
| -23% | -$31.3K |
|
Similar funds
Jeff Yass's Q1 2026 Portfolio in Review
As of Q1 2026, Jeff Yass held 14,567 positions worth $893B, up 2.9% from $868B the previous quarter. Its ten largest holdings account for 27% of the portfolio.
Jeff Yass's Q1 2026 filing shows 2,388 new, 5,757 increased, 4,870 reduced and 1,500 closed positions. Its largest new stake was Sunbelt Rentals Holdings: 830,625 shares worth $54.1M. The largest sale was JPMorgan International Research Enhanced Equity ETF, an estimated $785M.
By sector, the portfolio is most concentrated in Miscellaneous at 94% of assets, up from 94% a quarter earlier, followed by Technology and Consumer Discretionary.
- Jeff Yass's largest Q1 2026 buy was Sunbelt Rentals Holdings: 830,625 shares worth $54.1M.
- Jeff Yass added most to Invesco QQQ Trust in Q1 2026, an estimated $2.65B increase.
- Jeff Yass's biggest Q1 2026 reduction was JPMorgan International Research Enhanced Equity ETF, cutting an estimated $785M.
- Jeff Yass fully exited Schwab International Equity ETF in Q1 2026, selling an estimated $147M.
- Jeff Yass's ten largest holdings make up 27% of its $893B portfolio in Q1 2026.
- Jeff Yass opened 2,388 new positions and closed 1,500 in Q1 2026.
- Jeff Yass's portfolio value rose 2.9% quarter-over-quarter to $893B.
Based on Susquehanna International Group's 13F filing for Q1 2026, filed 15 May 2026.