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HSBC HOLDINGS PLC

Position in MGNI — Magnite, Inc.

CIK 873630 LONDON, X0

Position in MGNI

as of Mar 31, 2026 · filed Apr 30, 2026
Position Value
$456,179
-$400,504 QoQ
Shares Held
38,399
-27.3% QoQ
Ownership
0.027%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Dec 2020
21 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in MGNI Over Time

Shares Held

Position Value (USD)

Derivatives in MGNI

reported options exposure · as of Mar 31, 2026
CallValue
$594,000
CallShares
50,000
PutValue
$237,600
PutShares
20,000

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.

Position in Advertising Agencies

Communication Services · as of Mar 31, 2026

HSBC HOLDINGS PLC holds $240,749,435 across 9 Advertising Agencies names. MGNI ranks #7 (0.2% of the industry book) .

# Ticker Company Shares Value (USD) Open
7 MGNI
Magnite, Inc.
This page
38,399 $456,179

All Filings in MGNI

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42 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $594,000 50,000
2026-03-31 $237,600 20,000
2026-03-31 $456,179 38,399
2025-12-31 $811,500 50,000
2025-12-31 $856,683 52,784
2025-12-31 $324,600 20,000
2025-09-30 $1,089,000 50,000
2025-09-30 $921,925 42,329
2025-09-30 $435,600 20,000
2025-06-30 $435,124 18,040
2025-06-30 $482,400 20,000
2025-06-30 $1,206,000 50,000
2025-03-31 $228,200 20,000
2025-03-31 $570,500 50,000
2025-03-31 $258,698 22,673
2024-12-31 $159,200 10,000
2024-12-31 $1,078,086 67,719
2024-09-30 $740,601 53,473
2024-09-30 $138,500 10,000
2024-06-30 $132,900 10,000
2024-06-30 $781,172 58,779
2024-03-31 $412,649 38,386
2024-03-31 $107,500 10,000
2023-12-31 $525,842 56,300
2023-12-31 $306,893 32,858
2023-09-30 $424,502 56,300
2023-09-30 $350,760 46,520
2023-09-30 $159,094 21,100
2023-06-30 $204,750 15,000
2023-06-30 $682,950 50,033
2023-03-31 $628,855 67,911
2023-03-31 $138,900 15,000
2022-12-31 $1,002,989 94,711
2022-12-31 $158,850 15,000
2022-12-31 $317,700 30,000
2022-09-30 $634,077 96,511
2022-06-30 $1,097,443 123,586
2022-03-31 $1,827,009 138,305
2021-12-31 $2,208,150 126,180
2021-09-30 $4,467,428 159,551
2021-06-30 $4,633,948 136,937
2020-12-31 $282,378 9,195