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JY

Jeff Yass Susquehanna International Group

AUM $1.28T
1-Year Est. Return 58.89%
 

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.

This Fund
S&P 500
This Quarter Est. Return
+14.33%
1 Year Est. Return
+58.89%
3 Year Est. Return
+161.44%
5 Year Est. Return
+153.95%
10 Year Est. Return
+545.54%
AUM
$875B
AUM Growth
+$155B
Cap. Flow
+$67.5B
Cap. Flow %
7.72%
Top 10 Hldgs %
24.48%
Holding
14,336
New
1,794
Increased
5,240
Reduced
5,148
Closed
2,105

Sector Composition

Rank Sector Weight
1 Technology 1.74%
2 Consumer Discretionary 0.9%
3 Financials 0.71%
4 Communication Services 0.62%
5 Healthcare 0.56%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
MCBS icon
13276
MetroCity Bankshares
MCBS
$1.01B
-24,216
Closed -$692K
MCHX icon
13277
CALL
Marchex
MCHX
$79.8M
-16,200
Closed -$35K
MCRB icon
13278
Seres Therapeutics
MCRB
$50.2M
-11,684
Closed -$186K
MCRI icon
13279
Monarch Casino & Resort
MCRI
$2.22B
-18,039
Closed -$1.56M
MCS icon
13280
Marcus Corp
MCS
$930M
-32,392
Closed -$546K
MCW
13281
CALL
DELISTED
Mister Car Wash
MCW
-35,300
Closed -$212K
MCW
13282
DELISTED
Mister Car Wash
MCW
-136,755
Closed -$806K
MD icon
13283
CALL
Pediatrix Medical
MD
$2.19B
-26,600
Closed -$382K
MDBH icon
13284
MDB Capital Holdings
MDBH
$32.7M
-10,044
Closed -$41.7K
MDV
13285
DELISTED
Modiv Industrial
MDV
-11,589
Closed -$163K
MEAR icon
13286
BlackRock Short Maturity Municipal Bond ETF
MEAR
$1.38B
-4,245
Closed -$213K
MEC icon
13287
Mayville Engineering Co
MEC
$523M
-28,186
Closed -$450K
MED icon
13288
Medifast
MED
$136M
-29,501
Closed -$412K
MED icon
13289
PUT
Medifast
MED
$136M
-70,600
Closed -$992K
ONT
13290
Onterris Inc
ONT
$562M
-39,060
Closed -$1.02M
ONT
13291
PUT
Onterris Inc
ONT
$562M
-121,100
Closed -$2.65M
MEGL icon
13292
Magic Empire Global Ltd
MEGL
$5.92M
-11,171
Closed -$17.2K
MEI icon
13293
CALL
Methode Electronics
MEI
$570M
-12,400
Closed -$118K
METCB icon
13294
Ramaco Resources Class B
METCB
$430M
-48,666
Closed -$378K
METC icon
13295
Ramaco Resources Class A
METC
$819M
-319,270
Closed -$7.42M
METV icon
13296
Roundhill Ball Metaverse ETF
METV
$222M
-90,914
Closed -$1.72M
MFIC icon
13297
CALL
MidCap Financial Investment
MFIC
$797M
-26,400
Closed -$333K
MFIN icon
13298
Medallion Financial
MFIN
$275M
-26,604
Closed -$271K
MFUL icon
13299
Mindful Conservative ETF
MFUL
$7.36M
-9,472
Closed -$206K
MG icon
13300
CALL
Mistras Group
MG
$605M
-282,500
Closed -$2.26M

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Jeff Yass's Q3 2025 Portfolio in Review

As of Q3 2025, Jeff Yass held 14,336 positions worth $875B, up 22% from $720B the previous quarter. Its ten largest holdings account for 24% of the portfolio.

Jeff Yass deployed $67.5B of net new capital in Q3 2025, opening 1,794 new positions and adding to 5,240 existing holdings. Its largest new stake was BitMine Immersion Technologies: 7,689,603 shares worth $399M.

By sector, the portfolio is most concentrated in Technology at 1.7% of assets, down from 1.8% a quarter earlier, followed by Consumer Discretionary and Financials.

On the sell side, the largest reduction was State Street SPDR S&P 500 ETF Trust, an estimated $1.14B trimmed.

  • Jeff Yass's largest Q3 2025 buy was BitMine Immersion Technologies: 7,689,603 shares worth $399M.
  • Jeff Yass added most to Meta Platforms (Facebook) in Q3 2025, an estimated $646M increase.
  • Jeff Yass's biggest Q3 2025 reduction was State Street SPDR S&P 500 ETF Trust, cutting an estimated $1.14B.
  • Jeff Yass fully exited iShares Core MSCI Total International Stock ETF in Q3 2025, selling an estimated $123M.
  • Jeff Yass's ten largest holdings make up 24% of its $875B portfolio in Q3 2025.
  • Jeff Yass opened 1,794 new positions and closed 2,105 in Q3 2025.
  • Jeff Yass's portfolio value rose 22% quarter-over-quarter to $875B.

Based on Susquehanna International Group's 13F filing for Q3 2025, filed 14 Nov 2025.