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 | |
|---|---|---|---|---|---|---|
12501
Hyperfine
HYPR
$90M
| $71.3K | ﹤0.01% |
66,060
+38,491
| +140% | +$43.7K |
|
12502
PUT
Ampco-Pittsburgh
AP
$189M
| $71.2K | ﹤0.01% |
+10,600
| New | +$76.2K |
|
|
BHST
12503
BioHarvest Sciences
BHST
$43.1M
| $71.2K | ﹤0.01% |
16,394
+1,657
| +11% | +$7.81K |
|
|
EOSU
12504
T-REX 2X Long EOSE Daily Target ETF
EOSU
$5.5M
| $71.1K | ﹤0.01% |
+3,098
| New | +$749K |
|
12505
Valens Semiconductor
VLN
$199M
| $70.7K | ﹤0.01% |
62,553
-47,380
| -43% | -$74.4K |
|
|
MTLS
12506
CALL
Materialise
MTLS
$418M
| $70.6K | ﹤0.01% |
+14,300
| New | +$77.2K |
|
|
MOB
12507
Mobilicom Ltd
MOB
$74M
| $70.5K | ﹤0.01% |
13,711
-2,286
| -14% | -$14.7K |
|
12508
PUT
AC Immune
ACIU
$282M
| $70.4K | ﹤0.01% |
+25,600
| New | +$79.5K |
|
|
OLPX
12509
PUT
DELISTED
Olaplex Holdings
OLPX
| $70K | ﹤0.01% |
34,500
+18,400
| +114% | +$28.2K |
|
12510
Paysign
PAYS
$763M
| $70K | ﹤0.01% |
11,856
-37,364
| -76% | -$151K |
|
12511
CALL
DiaMedica Therapeutics
DMAC
$354M
| $69.7K | ﹤0.01% |
+10,300
| New | +$81.6K |
|
|
NAGE
12512
PUT
Niagen Bioscience
NAGE
$257M
| $69.7K | ﹤0.01% |
+15,800
| New | +$85.3K |
|
12513
CALL
1-800-Flowers.com
FLWS
$240M
| $69.3K | ﹤0.01% |
22,800
-91,700
| -80% | -$343K |
|
12514
PUT
NRX Pharmaceuticals
NRXP
$154M
| $69.2K | ﹤0.01% |
+32,500
| New | +$65.6K |
|
12515
Fathom Holdings
FTHM
$23.9M
| $69.2K | ﹤0.01% |
130,470
+643
| +0.5% | +$643 |
|
12516
BARK
BARK
$98.5M
| $69.1K | ﹤0.01% |
6,823
-50,612
| -88% | -$777K |
|
12517
CALL
MiMedx Group
MDXG
$672M
| $69.1K | ﹤0.01% |
17,500
-15,300
| -47% | -$77.1K |
|
12518
AudioEye
AEYE
$90M
| $69K | ﹤0.01% |
10,832
-4,931
| -31% | -$37.4K |
|
12519
AdvisorShares Pure Cannabis ETF
YOLO
$35.6M
| $69K | ﹤0.01% |
26,226
-23,199
| -47% | -$69K |
|
12520
InflaRx
IFRX
$337M
| $69K | ﹤0.01% |
77,114
+37,741
| +96% | +$35.7K |
|
12521
CALL
WidePoint Corp
WYY
$99.6M
| $68.9K | ﹤0.01% |
13,800
-200
| -1% | -$1.1K |
|
|
BZAI
12522
PUT
Blaize Holdings
BZAI
$73.9M
| $68.8K | ﹤0.01% |
37,800
-35,200
| -48% | -$51.9K |
|
|
NAGE
12523
CALL
Niagen Bioscience
NAGE
$257M
| $68.8K | ﹤0.01% |
15,600
-600
| -4% | -$3.24K |
|
12524
CALL
Goldgroup Mining
GORO
$517M
| $68.8K | ﹤0.01% |
57,300
-132,200
| -70% | -$179K |
|
12525
PUT
Eve Holding
EVEX
$836M
| $68.7K | ﹤0.01% |
27,700
+3,200
| +13% | +$10.9K |
|
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.