Parallax Volatility Advisers, L.P.
Position in MGA — Magna International Inc
CIK 1521001
San Francisco, CA
Position in MGA
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$2,482,596
+$659,097 QoQ
Shares Held
44,483
+30.0% QoQ
Ownership
0.017%
of shares outstanding
% of Portfolio
0.17%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Dec 2020
7 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in MGA Over Time
Shares Held
Position Value (USD)
Derivatives in MGA
reported options exposure · as of Dec 31, 2022CallValue
$5,618
CallShares
100
PutValue
$5,618,000
PutShares
100,000
Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.
All Filings in MGA
Export CSV
15 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $2,482,596 | 44,483 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $1,823,499 | 34,212 | Shares | Sole | 2026-02-17 | |
| 2022-12-31 | $4,387,714 | 78,101 | Shares | Sole | 2023-02-27 | |
| 2022-12-31 | $5,618,000 | 100,000 | Put | Sole | 2023-02-27 | |
| 2022-12-31 | $5,618 | 100 | Call | Sole | 2023-02-27 | |
| 2022-09-30 | $4,742,000 | 100,000 | Put | Sole | 2022-11-21 | |
| 2022-09-30 | $3,319,400 | 70,000 | Call | Sole | 2022-11-21 | |
| 2022-09-30 | $3,490,870 | 73,616 | Shares | Sole | 2022-11-21 | |
| 2022-06-30 | $5,490,000 | 100,000 | Put | Sole | 2022-08-17 | |
| 2022-06-30 | $3,843,000 | 70,000 | Call | Sole | 2022-08-17 | |
| 2022-06-30 | $1,833,495 | 33,397 | Shares | Sole | 2022-08-17 | |
| 2022-03-31 | $6,431,000 | 100,000 | Put | Sole | 2022-05-16 | |
| 2022-03-31 | $2,266,798 | 35,248 | Shares | Sole | 2022-05-16 | |
| 2020-12-31 | $23,583,480 | 333,100 | Call | Sole | 2021-02-16 | |
| 2020-12-31 | $1,443,258 | 20,385 | Shares | Sole | 2021-02-16 | |
| No filing history on record for this holder in this stock. | ||||||