PARALLAX VOLATILITY ADVISERS L P
Q3 2021 Form 13-F

SAN FRANCISCO, CALIFORNIA
CIK 0001521001 · CRD 158143 · SEC-registered investment adviser
$52.0B Reported Value Total

PARALLAX VOLATILITY ADVISERS, L.P. reports 3 total accounts under management (AUM). There are 3 discretionary accounts valued at $20,789,567,478, and 0 non-discretionary accounts.

Source: Form ADV filed * Note that certain holdings are exempt from Form 13-F reporting, so the AUM totals may be greater than the Form 13-F total.
SEC Registered Discretionary Manager
Private funds (Form ADV)
4 funds · $7.2B gross asset value
Hedge Fund: $7.2B
Source: Form ADV filed 2026-03-19
Reported value
$52.0B
Quarter over quarter
-4.4%
Holdings
915
Top-10 concentration
21.0%

Key People

Form ADV owners & control persons
William Frederick Bartlett
CHIEF EXECUTIVE OFFICER, LIMITED PARTNER
Stephen Daniel Hutchison
PRINCIPAL PORTFOLIO MANAGER, LIMITED PARTNER
Jill Caroline Armstrong
CHIEF FINANCIAL OFFICER, CHIEF COMPLIANCE OFFICER, CHIEF OPERATING OFFICER, LIMITED PARTNER

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Q3 2021 13F record

Q3 2021 13F filing summary

Q3 2021 Form 13F portfolio summary
Period of report September 30, 2021
Filed November 15, 2021
Form 13F-HR
Reported value $52.0B
Positions 915
Change in reported value -9.4%
New positions 375
Exited positions 291
Position turnover 55.2%
Top-10 concentration 21.0%

13F filings by quarter

Form 13F filings by quarter
Quarter Positions Value
Q2 2026 13F
Filed Aug 14, 2026
623 $58.9B
Q1 2026 13F
Filed May 15, 2026
589 $38.6B
Q4 2025 13F
Filed Feb 17, 2026
543 $50.7B
Q3 2025 13F
Filed Nov 14, 2025
523 $65.9B
Q2 2025 13F
Filed Aug 14, 2025
473 $44.4B
Q1 2025 13F
Filed May 15, 2025
495 $36.9B
Q4 2024 13F
Filed Feb 14, 2025
616 $51.6B
Q3 2024 13F
Filed Nov 14, 2024
551 $54.9B
Q2 2024 13F
Filed Aug 14, 2024
555 $46.5B
Q1 2024 13F
Filed May 15, 2024
531 $44.7B
Q4 2023 13F
Filed Feb 14, 2024
563 $49.0B
Q3 2023 13F
Filed Nov 14, 2023
630 $44.8B
Q2 2023 13F
Filed Aug 14, 2023
648 $45.9B
Q1 2023 13F
Filed May 15, 2023
837 $48.9B
Q4 2022 13F
Filed Feb 14, 2023
865 $64.4B
Q3 2022 13F
Filed Nov 14, 2022
939 $64.7B
Q2 2022 13F
Filed Aug 15, 2022
940 $105.1B
Q1 2022 13F
Filed May 16, 2022
909 $191.6B
Q4 2021 13F
Filed Feb 14, 2022
921 $110.9B
Q3 2021 13F
Filed Nov 15, 2021
915 $52.0B

33 earlier quarters on file — choose one from the quarter menu above.

Top 20 holdings · Q3 2021

Largest Q3 2021 13F positions by reported value
# Holding Reported value % of portfolio
1 AMZN P AMAZON COM INC $2.2B 4.22%
2 SPY P SPDR S&P 500 ETF TR $1.7B 3.18%
3 AAPL P APPLE INC $1.3B 2.58%
4 GOOGL P ALPHABET INC $1.2B 2.22%
5 AMD P ADVANCED MICRO DEVICES INC $906.7M 1.75%
6 GOOG P ALPHABET INC $834.5M 1.61%
7 TSLA C TESLA INC $830.0M 1.6%
8 AMZN C AMAZON COM INC $769.1M 1.48%
9 MSFT MICROSOFT CORP $647.0M 1.25%
10 TSLA P TESLA INC $603.9M 1.16%
11 META C FACEBOOK INC $509.1M 0.98%
12 AAPL C APPLE INC $487.5M 0.94%
13 AMAT P APPLIED MATLS INC $481.1M 0.93%
14 META FACEBOOK INC $468.7M 0.9%
15 SPY C SPDR S&P 500 ETF TR $460.0M 0.89%
16 C P CITIGROUP INC $457.8M 0.88%
17 BA P BOEING CO $431.8M 0.83%
18 BKNG P BOOKING HOLDINGS INC $411.8M 0.79%
19 BABA C ALIBABA GROUP HLDG LTD $342.4M 0.66%
20 BAC P BK OF AMERICA CORP $339.5M 0.65%

Values as reported on the Q3 2021 Form 13F. Every position is in the holdings table below.

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