Position in MGNI
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$4,369,841
+$794,746 QoQ
Shares Held
230,234
-23.5% QoQ
Ownership
0.161%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#73
of 305 holders
Holding Since
Sep 2020
15 quarters on record
Voting authority
Sole 0%
Shared 100%
None 0%
Common Shares in MGNI Over Time
Shares Held
Position Value (USD)
Derivatives in MGNI
reported options exposure · as of Jun 30, 2026CallValue
$0
CallShares
0
PutValue
$11,201,996
PutShares
590,200
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.
Position in Advertising Agencies
Communication Services · as of Jun 30, 2026Squarepoint Ops LLC holds $41,942,256 across 10 Advertising Agencies names. MGNI ranks #3 (10.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | TTD |
Trade Desk, Inc.
|
1,506,389 | $27,235,513 | |
| 2 | APP |
AppLovin Corp
|
12,895 | $6,643,890 | |
| 3 | MGNI |
Magnite, Inc.
This page
|
230,234 | $4,369,841 | |
| 4 | QNST |
Quinstreet, Inc
|
110,843 | $1,623,849 | |
| 5 | OMC |
Omnicom Group Inc.
|
13,641 | $993,474 | |
| 6 | ADV |
Advantage Solutions Inc.
|
10,545 | $455,965 | |
| 7 | WPP |
WPP plc
|
26,001 | $402,755 | |
| 8 | CDLX |
Cardlytics, Inc.
|
26,973 | $121,108 |
All Filings in MGNI
Export CSV
36 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $4,369,841 | 230,234 | Shares | Defined | 2026-08-14 | |
| 2026-06-30 | $11,201,996 | 590,200 | Put | Defined | 2026-08-14 | |
| 2026-03-31 | $3,575,095 | 300,934 | Shares | Defined | 2026-05-15 | |
| 2026-03-31 | $12,953,952 | 1,090,400 | Put | Defined | 2026-05-15 | |
| 2025-12-31 | $737,458 | 45,438 | Shares | Defined | 2026-02-13 | |
| 2025-12-31 | $204,498 | 12,600 | Call | Defined | 2026-02-13 | |
| 2025-12-31 | $27,774,399 | 1,711,300 | Put | Defined | 2026-02-13 | |
| 2025-09-30 | $38,267,460 | 1,757,000 | Put | Defined | 2025-11-14 | |
| 2025-09-30 | $3,625,694 | 166,469 | Shares | Defined | 2025-11-14 | |
| 2025-09-30 | $444,312 | 20,400 | Call | Defined | 2025-11-14 | |
| 2025-06-30 | $4,088,340 | 169,500 | Call | Defined | 2025-08-27 | |
| 2025-06-30 | $42,984,252 | 1,782,100 | Put | Defined | 2025-08-27 | |
| 2025-03-31 | $1,412,398 | 123,786 | Shares | Defined | 2025-08-27 | |
| 2025-03-31 | $20,599,614 | 1,805,400 | Put | Defined | 2025-08-27 | |
| 2025-03-31 | $4,929,120 | 432,000 | Call | Defined | 2025-08-27 | |
| 2024-12-31 | $14,041,440 | 882,000 | Call | Defined | 2025-02-14 | |
| 2024-12-31 | $31,668,064 | 1,989,200 | Put | Defined | 2025-02-14 | |
| 2024-12-31 | $4,979,951 | 312,811 | Shares | Defined | 2025-02-14 | |
| 2024-09-30 | $11,779,798 | 850,527 | Shares | Defined | 2024-11-14 | |
| 2024-09-30 | $970,885 | 70,100 | Call | Defined | 2024-11-14 | |
| 2024-09-30 | $15,048,025 | 1,086,500 | Put | Defined | 2024-11-14 | |
| 2024-06-30 | $2,110,452 | 158,800 | Call | Defined | 2024-08-14 | |
| 2024-06-30 | $7,558,169 | 568,711 | Shares | Defined | 2024-08-14 | |
| 2024-06-30 | $5,091,399 | 383,100 | Put | Defined | 2024-08-14 | |
| 2024-03-31 | $1,019,100 | 94,800 | Put | Defined | 2024-05-15 | |
| 2024-03-31 | $1,533,122 | 142,616 | Shares | Defined | 2024-05-15 | |
| 2024-03-31 | $5,916,800 | 550,400 | Call | Defined | 2024-05-15 | |
| 2023-12-31 | $1,492,532 | 159,800 | Put | Defined | 2024-02-14 | |
| 2023-12-31 | $845,400 | 90,514 | Shares | Defined | 2024-02-14 | |
| 2023-12-31 | $1,842,782 | 197,300 | Call | Defined | 2024-02-14 | |
| 2023-09-30 | $985,478 | 130,700 | Call | Defined | 2023-11-14 | |
| 2023-09-30 | $490,100 | 65,000 | Put | Defined | 2023-11-14 | |
| 2023-09-30 | $1,618,325 | 214,632 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $3,566,472 | 261,280 | Shares | Defined | 2023-08-14 | |
| 2020-12-31 | $412,834 | 13,443 | Shares | Defined | 2021-02-16 | |
| 2020-09-30 | $2,582,369 | 371,564 | Shares | Defined | 2020-11-16 | |
| No filing history on record for this holder in this stock. | ||||||