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
|
+$1.17B |
| 2 |
Netflix
NFLX
|
+$753M |
| 3 |
JPMorgan International Research Enhanced Equity ETF
JIRE
|
+$749M |
| 4 |
iShares iBoxx $ Investment Grade Corporate Bond ETF
LQD
|
+$662M |
| 5 |
Walmart Inc
WMT
|
+$405M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
State Street SPDR S&P 500 ETF Trust
SPY
|
+$2.08B |
| 2 |
iShares 20+ Year Treasury Bond ETF
TLT
|
+$426M |
| 3 |
Meta Platforms (Facebook)
META
|
+$372M |
| 4 |
TSMC
TSM
|
+$331M |
| 5 |
Pinduoduo
PDD
|
+$319M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Miscellaneous | 94.23% |
| 2 | Technology | 1.7% |
| 3 | Consumer Discretionary | 0.84% |
| 4 | Communication Services | 0.67% |
| 5 | Financials | 0.66% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
11951
PUT
Cerus
CERS
$548M
| $21K | ﹤0.01% |
10,200
-2,600
| -20% | -$4.51K |
|
11952
CALL
KLX Energy Services
KLXE
$32.1M
| $20.6K | ﹤0.01% |
10,900
-9,700
| -47% | -$17K |
|
11953
BTC Digital
BTCT
$35.6M
| $20.6K | ﹤0.01% |
+15,823
| New | +$33.5K |
|
11954
PUT
Getty Images
GETY
$117M
| $20.5K | ﹤0.01% |
15,300
-3,400
| -18% | -$5.85K |
|
11955
CALL
Research Frontiers
REFR
$16.9M
| $20.4K | ﹤0.01% |
+15,600
| New | +$26.3K |
|
|
NIXX
11956
Nixxy Inc
NIXX
$18.8M
| $20.4K | ﹤0.01% |
+21,207
| New | +$28.4K |
|
|
ASPSZ
11957
Altisource Portfolio Solutions SA Cash Exercise Stakeholder Warrants
ASPSZ
$6.52M
| $19.9K | ﹤0.01% |
60,446
-44,663
| -42% | -$21.6K |
|
11958
Socket Mobile
SCKT
$5.99M
| $19.9K | ﹤0.01% |
+19,746
| New | +$21.6K |
|
|
LEGT.WS
11959
DELISTED
Legato Merger Corp III Warrants
LEGT.WS
| $19.9K | ﹤0.01% |
+48,619
| New | +$24.6K |
|
|
AUTL
11960
PUT
Autolus Therapeutics
AUTL
$628M
| $19.9K | ﹤0.01% |
10,000
-6,600
| -40% | -$10.1K |
|
|
TONX
11961
CALL
TON Strategy Co
TONX
$188M
| $19.9K | ﹤0.01% |
10,000
-73,200
| -88% | -$267K |
|
11962
PUT
ALX Oncology
ALXO
$283M
| $19.9K | ﹤0.01% |
+17,600
| New | +$26.6K |
|
11963
New Fortress Energy
NFE
$87.1M
| $19.9K | ﹤0.01% |
17,416
-956,374
| -98% | -$1.41M |
|
11964
GEE Group
JOB
$27.9M
| $19.8K | ﹤0.01% |
101,643
+52,372
| +106% | +$10.2K |
|
|
NINE
11965
DELISTED
Nine Energy Service
NINE
| $19.6K | ﹤0.01% |
56,814
-26,465
| -32% | -$13.1K |
|
11966
PUT
Eledon Pharmaceuticals
ELDN
$270M
| $19.6K | ﹤0.01% |
13,000
-29,500
| -69% | -$70.1K |
|
11967
CALL
Ovid Therapeutics
OVID
$572M
| $19.6K | ﹤0.01% |
12,000
-46,100
| -79% | -$71K |
|
11968
Tiziana Life Sciences
TLSA
$137M
| $19.5K | ﹤0.01% |
13,089
-48,441
| -79% | -$87K |
|
11969
BigBear.ai Holdings Warrant
BBAI.WS
$28.9M
| $19.5K | ﹤0.01% |
+12,184
| New | +$24.8K |
|
11970
HCW Biologics
HCWB
$5.82M
| $19.5K | ﹤0.01% |
+3,345
| New | +$56.8K |
|
11971
Netcapital
NCPL
$4.23M
| $19.1K | ﹤0.01% |
+28,967
| New | +$46.8K |
|
|
QSIAW
11972
DELISTED
Quantum-Si Inc Warrant
QSIAW
| $19.1K | ﹤0.01% |
95,131
-50,602
| -35% | -$16.6K |
|
11973
Curis
CRIS
$3.64M
| $19K | ﹤0.01% |
+964
| New | +$25.9K |
|
11974
Mammoth Energy Services
TUSK
$152M
| $19K | ﹤0.01% |
10,264
-62,614
| -86% | -$126K |
|
11975
PUT
Jasper Therapeutics
JSPR
$23.3M
| $18.8K | ﹤0.01% |
10,300
-15,600
| -60% | -$31.3K |
|
Similar funds
Jeff Yass's Q4 2025 Portfolio in Review
As of Q4 2025, Jeff Yass held 14,094 positions worth $868B, down 0.79% from $875B the previous quarter. Its ten largest holdings account for 24% of the portfolio.
Jeff Yass's Q4 2025 filing shows 1,864 new, 4,890 increased, 5,380 reduced and 1,914 closed positions. Its largest new stake was iShares Core MSCI Total International Stock ETF: 1,468,872 shares worth $124M. The largest sale was State Street SPDR S&P 500 ETF Trust, an estimated $2.08B.
By sector, the portfolio is most concentrated in Miscellaneous at 94% of assets, down from 94% a quarter earlier, followed by Technology and Consumer Discretionary.
- Jeff Yass's largest Q4 2025 buy was iShares Core MSCI Total International Stock ETF: 1,468,872 shares worth $124M.
- Jeff Yass added most to Invesco QQQ Trust in Q4 2025, an estimated $1.17B increase.
- Jeff Yass's biggest Q4 2025 reduction was State Street SPDR S&P 500 ETF Trust, cutting an estimated $2.08B.
- Jeff Yass fully exited Innovator US Equity Power Buffer ETF September in Q4 2025, selling an estimated $26.5M.
- Jeff Yass's ten largest holdings make up 24% of its $868B portfolio in Q4 2025.
- Jeff Yass opened 1,864 new positions and closed 1,914 in Q4 2025.
- Jeff Yass's portfolio value fell 0.79% quarter-over-quarter to $868B.
Based on Susquehanna International Group's 13F filing for Q4 2025, filed 17 Feb 2026.