Position in MCHX
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$25,774
+$25,774 QoQ
Shares Held
16,629
Ownership
0.038%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#21
of 28 holders
Holding Since
Mar 2020
14 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in MCHX Over Time
Shares Held
Position Value (USD)
Derivatives in MCHX
reported options exposure · as of Dec 31, 2025CallValue
$16,932
CallShares
10,200
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 Mar 31, 2026CITADEL ADVISORS LLC holds $267,743,915 across 22 Advertising Agencies names. MCHX ranks #20 (0.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | OMC |
Omnicom Group Inc.
|
1,245,356 | $93,787,759 | |
| 2 | TTD |
Trade Desk, Inc.
|
3,369,706 | $76,458,629 | |
| 3 | APP |
AppLovin Corp
|
133,261 | $53,037,878 | |
| 4 | DV |
DoubleVerify Holdings, Inc.
|
1,573,582 | $14,949,029 | |
| 5 | MGNI |
Magnite, Inc.
|
1,052,908 | $12,508,546 | |
| 6 | WPP |
WPP plc
|
283,401 | $4,406,885 | |
| 7 | ZD |
Ziff Davis, Inc.
|
72,480 | $3,041,260 | |
| 8 | CCO |
Clear Channel Outdoor Holdings, Inc.
|
1,213,449 | $2,875,874 |
All Filings in MCHX
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $25,774 | 16,629 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $16,932 | 10,200 | Call | Defined | 2026-02-17 | |
| 2025-03-31 | $11,084 | 6,800 | Call | Defined | 2025-05-15 | |
| 2025-03-31 | $38,780 | 23,792 | Shares | Defined | 2025-05-15 | |
| 2024-12-31 | $43,977 | 25,130 | Shares | Defined | 2025-02-14 | |
| 2024-12-31 | $350 | 200 | Put | Defined | 2025-02-14 | |
| 2024-09-30 | $15,908 | 8,507 | Shares | Defined | 2024-11-14 | |
| 2024-09-30 | $3,740 | 2,000 | Put | Defined | 2024-11-14 | |
| 2024-06-30 | $72,892 | 47,333 | Shares | Defined | 2024-08-14 | |
| 2024-06-30 | $154 | 100 | Call | Defined | 2024-08-14 | |
| 2024-03-31 | $21,920 | 16,000 | Call | Defined | 2024-05-15 | |
| 2024-03-31 | $40,662 | 29,681 | Shares | Defined | 2024-05-15 | |
| 2024-03-31 | $822 | 600 | Put | Defined | 2024-05-15 | |
| 2023-12-31 | $39,321 | 28,913 | Shares | Defined | 2024-02-14 | |
| 2023-12-31 | $8,296 | 6,100 | Call | Defined | 2024-02-14 | |
| 2023-09-30 | $24,795 | 17,100 | Call | Defined | 2023-11-14 | |
| 2023-09-30 | $32,217 | 22,219 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $52,115 | 24,583 | Shares | Defined | 2023-08-14 | |
| 2023-06-30 | $5,300 | 2,500 | Call | Defined | 2023-08-14 | |
| 2023-03-31 | $45,318 | 24,900 | Call | Defined | 2023-05-15 | |
| 2023-03-31 | $182 | 100 | Put | Defined | 2023-05-15 | |
| 2023-03-31 | $9,456 | 5,196 | Shares | Defined | 2023-05-15 | |
| 2022-12-31 | $30,880 | 19,300 | Call | Defined | 2023-02-14 | |
| 2022-12-31 | $10,529 | 6,581 | Shares | Defined | 2023-02-14 | |
| 2020-09-30 | $47,237 | 22,282 | Shares | Defined | 2020-11-16 | |
| 2020-03-31 | $37,708 | 26,006 | Shares | Defined | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||