Parallax Volatility Advisers, L.P.

San Francisco, CA

$2.4bn in 623 US stocks at the end of 30 June 2026. The top 10 are 32.8% of the money. It changed about 51.1% of the portfolio this quarter.

Value
$2.4bn
Stocks
623
Top 10 share
32.8%
Turnover
51.1%

What changed this quarter

New

Bought for the first time this quarter.

Added

Bought more of a stock they already held.

Cut

Sold some of their stake.

Sold out

Sold their entire stake.

Holdings

Showing the largest 100 of 623.

Options (50)
  • State STR Spdr S&P 500 ETF TSPY
    Type
    Put
    Value
    $19.5bn
    Contracts
    26,122,000
  • Invesco QQQ TRQQQ
    Type
    Call
    Value
    $6.1bn
    Contracts
    8,297,700
  • State STR Spdr S&P 500 ETF TSPY
    Type
    Call
    Value
    $3.4bn
    Contracts
    4,551,000
  • Invesco QQQ TRQQQ
    Type
    Put
    Value
    $3.0bn
    Contracts
    4,092,300
  • Ishares TRIWM
    Type
    Put
    Value
    $1.5bn
    Contracts
    5,055,600
  • Spdr Gold TRGLD
    Type
    Call
    Value
    $814m
    Contracts
    2,209,000
  • Select Sector Spdr TRXLF
    Type
    Put
    Value
    $689m
    Contracts
    12,850,500
  • NvidiaNVDA
    Type
    Put
    Value
    $601m
    Contracts
    3,006,100
  • Vaneck ETF TrustSMH
    Type
    Call
    Value
    $568m
    Contracts
    866,300
  • Vaneck ETF TrustSMH
    Type
    Put
    Value
    $559m
    Contracts
    852,700
  • Select Sector Spdr TRXLF
    Type
    Call
    Value
    $539m
    Contracts
    10,047,600
  • Ishares TRIWM
    Type
    Call
    Value
    $469m
    Contracts
    1,559,700
  • Micron TechnologyMU
    Type
    Put
    Value
    $390m
    Contracts
    338,300
  • Advanced Micro DevicesAMD
    Type
    Put
    Value
    $349m
    Contracts
    600,600
  • Ishares TREFA
    Type
    Put
    Value
    $309m
    Contracts
    2,975,500
  • TeslaTSLA
    Type
    Call
    Value
    $287m
    Contracts
    682,000
  • Spdr Gold TRGLD
    Type
    Put
    Value
    $255m
    Contracts
    691,500
  • TeslaTSLA
    Type
    Put
    Value
    $251m
    Contracts
    595,900
  • NvidiaNVDA
    Type
    Call
    Value
    $236m
    Contracts
    1,179,700
  • Ishares TRTLT
    Type
    Call
    Value
    $226m
    Contracts
    2,616,100
  • Select Sector Spdr TRXLE
    Type
    Put
    Value
    $223m
    Contracts
    4,205,800
  • Ishares TRHYG
    Type
    Call
    Value
    $220m
    Contracts
    2,753,700
  • Ishares TREEM
    Type
    Put
    Value
    $219m
    Contracts
    3,206,400
  • AlphabetGOOGL
    Type
    Put
    Value
    $206m
    Contracts
    575,800
  • Amazon.comAMZN
    Type
    Put
    Value
    $196m
    Contracts
    820,800
  • Select Sector Spdr TRXLI
    Type
    Put
    Value
    $193m
    Contracts
    1,041,100
  • WalmartWMT
    Type
    Put
    Value
    $183m
    Contracts
    1,619,100
  • Advanced Micro DevicesAMD
    Type
    Call
    Value
    $177m
    Contracts
    304,600
  • American Airlines GroupAAL
    Type
    Put
    Value
    $173m
    Contracts
    9,569,400
  • BoeingBA
    Type
    Put
    Value
    $173m
    Contracts
    798,700
  • Take TWO Interactive SoftwareTTWO
    Type
    Put
    Value
    $167m
    Contracts
    669,400
  • Meta PlatformsMETA
    Type
    Put
    Value
    $167m
    Contracts
    295,800
  • AppleAAPL
    Type
    Call
    Value
    $164m
    Contracts
    568,200
  • Spdr Series TrustKRE
    Type
    Put
    Value
    $162m
    Contracts
    2,160,200
  • Ishares TREFA
    Type
    Call
    Value
    $158m
    Contracts
    1,523,900
  • VisaV
    Type
    Call
    Value
    $157m
    Contracts
    458,300
  • Ishares Silver TRSLV
    Type
    Call
    Value
    $141m
    Contracts
    2,645,800
  • Ishares Bitcoin Trust ETFIBIT
    Type
    Call
    Value
    $134m
    Contracts
    4,032,100
  • IntelINTC
    Type
    Put
    Value
    $133m
    Contracts
    949,100
  • OracleORCL
    Type
    Put
    Value
    $123m
    Contracts
    836,400
  • Vaneck ETF TrustGDX
    Type
    Put
    Value
    $121m
    Contracts
    1,607,200
  • Ishares Bitcoin Trust ETFIBIT
    Type
    Put
    Value
    $120m
    Contracts
    3,590,800
  • Brinker InternationalEAT
    Type
    Put
    Value
    $119m
    Contracts
    710,900
  • Select Sector Spdr TRXLE
    Type
    Call
    Value
    $118m
    Contracts
    2,228,400
  • Marvell TechnologyMRVL
    Type
    Put
    Value
    $114m
    Contracts
    383,100
  • Berkshire HathawayBRK-B
    Type
    Call
    Value
    $111m
    Contracts
    221,500
  • NetflixNFLX
    Type
    Put
    Value
    $110m
    Contracts
    1,544,700
  • Chipotle Mexican GrillCMG
    Type
    Put
    Value
    $107m
    Contracts
    3,155,200
  • International Business MachinesIBM
    Type
    Put
    Value
    $105m
    Contracts
    374,300
  • StrategyMSTR
    Type
    Put
    Value
    $105m
    Contracts
    1,205,200

Over time and by industry

Value over time

Jun '25
 
Dec '25
 
Jun '26

Value is up 15.1% since 30 June 2025.

Where the money is

Technology31.1%
Financial services17.4%
Energy5.5%
Media & telecom5.3%
Retail & consumer5.0%
Industrials4.0%
Everyday goods3.9%
Health care3.7%
Materials2.4%
Utilities0.7%
Real estate0.7%
Other20.2%

From the fund's 13F filings. They list US stocks and options only, 45 days after each quarter, and leave out cash, bonds, shorts and foreign shares.