Position in MKTX
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$179,364,276
+$124,687,495 QoQ
Shares Held
1,087,188
+260.4% QoQ
Ownership
3.06%
of shares outstanding
% of Portfolio
0.16%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in MKTX Over Time
Shares Held
Position Value (USD)
Derivatives in MKTX
reported options exposure · as of Mar 31, 2026CallValue
$19,500,636
CallShares
118,200
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 Capital Markets
Financial Services · as of Mar 31, 2026MILLENNIUM MANAGEMENT LLC holds $2,089,220,807 across 47 Capital Markets names. MKTX ranks #4 (8.6% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | MS |
Morgan Stanley
|
3,997,261 | $657,829,242 | |
| 2 | LPLA |
LPL Financial Holdings Inc.
|
890,253 | $267,814,809 | |
| 3 | TW |
Tradeweb Markets Inc.
|
1,968,423 | $231,604,650 | |
| 4 | MKTX |
Marketaxess Holdings Inc
This page
|
1,087,188 | $179,364,276 | |
| 5 | HOOD |
Robinhood Markets, Inc.
|
1,191,869 | $82,596,521 | |
| 6 | SCHW |
Schwab Charles Corp
|
651,507 | $61,228,627 | |
| 7 | BMNR |
Bitmine Immersion Technologies, Inc.
|
2,897,053 | $57,303,708 | |
| 8 | GS |
Goldman Sachs Group Inc
|
58,691 | $49,651,999 |
All Filings in MKTX
Export CSV
30 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $179,364,276 | 1,087,188 | Shares | Sole | 2026-05-15 | |
| 2026-03-31 | $19,500,636 | 118,200 | Call | Sole | 2026-05-15 | |
| 2025-12-31 | $9,280,000 | 51,200 | Call | Sole | 2026-02-17 | |
| 2025-12-31 | $54,676,781 | 301,665 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $125,808,500 | 722,000 | Call | Sole | 2025-11-14 | |
| 2025-09-30 | $105,866,633 | 607,556 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $96,523,527 | 432,182 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $133,903,774 | 618,922 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $32,582,761 | 144,146 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $49,005,167 | 191,277 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $68,032,008 | 339,261 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $2,488,049 | 11,348 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $5,911,762 | 20,187 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $107,727,115 | 504,246 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $73,695,605 | 281,905 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $43,551,359 | 111,302 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $6,978,106 | 25,021 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $58,044,081 | 260,884 | Shares | Sole | 2022-11-14 | |
| 2022-09-30 | $1,112,450 | 5,000 | Call | Sole | 2022-11-14 | |
| 2022-06-30 | $51,753,445 | 202,154 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $33,980,196 | 99,883 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $25,819,941 | 62,781 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $14,549,984 | 34,586 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $39,556,280 | 85,326 | Shares | Sole | 2021-08-16 | |
| 2021-06-30 | $695,385 | 1,500 | Put | Sole | 2021-08-16 | |
| 2021-03-31 | $32,746,704 | 65,767 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $38,056,352 | 66,700 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $18,482,461 | 38,378 | Shares | Sole | 2020-11-16 | |
| 2020-06-30 | $31,121,157 | 62,128 | Shares | Sole | 2020-08-14 | |
| 2020-03-31 | $21,163,091 | 63,635 | Shares | Sole | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||