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CITIGROUP INC

Position in MGNI — Magnite, Inc.

CIK 831001 NEW YORK, NY

Position in MGNI

as of Jun 30, 2026 · filed Aug 3, 2026
Position Value
$1,664,583
+$1,476,167 QoQ
Shares Held
87,702
+453.0% QoQ
Ownership
0.061%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#111
of 305 holders
Holding Since
Sep 2020
24 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in MGNI Over Time

Shares Held

Position Value (USD)

Derivatives in MGNI

reported options exposure · as of Sep 30, 2025
CallValue
$2,310,858
CallShares
106,100
PutValue
$0
PutShares
0

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, 2026

CITIGROUP INC holds $455,836,634 across 17 Advertising Agencies names. MGNI ranks #6 (0.4% of the industry book) .

# Ticker Company Shares Value (USD) Open
6 MGNI
Magnite, Inc.
This page
87,702 $1,664,583

All Filings in MGNI

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30 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $1,664,583 87,702
2026-03-31 $188,416 15,860
2025-12-31 $834,609 51,424
2025-09-30 $2,310,858 106,100
2025-09-30 $3,557,608 163,343
2025-06-30 $5,752,425 238,492
2025-03-31 $1,752,208 153,568
2024-12-31 $5,391,863 338,685
2024-09-30 $3,184,875 229,955
2024-06-30 $2,103,366 158,267
2024-03-31 $1,584,205 147,368
2023-12-31 $970,845 103,945
2023-09-30 $916,660 121,573
2023-06-30 $2,759,593 202,168
2023-03-31 $2,487,328 268,610
2022-12-31 $3,847,420 363,307
2022-09-30 $1,860,504 283,182
2022-09-30 $328,500 50,000
2022-06-30 $444,000 50,000
2022-06-30 $2,883,796 324,752
2022-03-31 $5,029,296 380,719
2022-03-31 $660,500 50,000
2021-12-31 $5,586,087 319,205
2021-12-31 $875,000 50,000
2021-09-30 $1,400,000 50,000
2021-09-30 $7,890,904 281,818
2021-06-30 $7,759,714 229,306
2021-03-31 $2,959,593 71,127
2020-12-31 $1,548,029 50,408
2020-09-30 $77,131 11,098