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Marex Group Ltd — 13F Holdings & Portfolio

CIK 1997464 · latest 13F-HR filed 2026-08-14

Backtest portfolio

Marex Group Ltd manages $23.57B in 13F-reported U.S. long-equity assets across 1,609 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are QQQ (6.99%), SNDK (4.87%), QQQ (3.66%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 307 new positions and exited 235; 312 existing positions rose in reported value and 287 fell.

AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.

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AUM
$23.57B

Long-equity book

Holdings
1,609

Distinct positions

Period
2026-06-30

Filed 2026-08-14

Q/Q Activity
+307 / −235 / ↑312 / ↓287

vs 2026-03-31

Portfolio charts

Latest quarter's book, what changed, and how the portfolio has evolved across filings.

Portfolio map

Q2 26
SNDK5.1% · -46%MRVL4.3% · +45%ASTS4.1% · +136%AVGO3.7% · +0%LITE3.4% · -38%NVDA3.4% · +53%AAOI3.1% · +879%NOW2.8% · +41687%SPCX2.7% · newMSFT2.7% · +130%BRRR2.2% · +7%LLY2.2% · +71%UNH2.0% · -21%AXTI1.9% · +44399%DRAM1.8% · newGOOGL1.7% · +110%GOOG1.6% · +18072%NBIS1.6% · +9%IONQ1.5% · -7%GS1.4% · -15%VRT1.3% · +126%GLW1.3% · +488%IBIT1.3% · -5%AMZN1.2% · +450%HOOD1.2% · +20%TSLA1.1% · -44%GEV1.1% · +19%MU1.0% · +43%MSTR1.0% · -57%SMR0.9% · +40%RDDT0.9% · -14%VOO0.8% · +29%MARA0.8% · -4%QQQ0.8% · -58%IREN0.8% · -43%ADBE0.8% · +765%ARM0.7% · +758%CBRS0.7% · newBE0.7% · +858%ORCL0.7% · -20%BRK.B0.6% · +838%CRWV0.6% · +0%TRV0.6% · newSMCI0.6% · +16%RDW0.6% · +4872%AMGN0.5% · +8562%RKLB0.5% · +74%MA0.5% · -77%BIL0.5% · +81%CRCL0.5% · +54%OKLO0.5% · +105%META0.5% · +77%CRDO0.5% · +2028%ONDS0.4% · +38%INTU0.4% · +10%INTC0.3% · -17%USAR0.3% · +48%SGOV0.3% · -63%AMD0.3% · -27%IBM0.3% · +2986%

Box size = position value; colour = change in share count vs the prior quarter (green added, red trimmed, blue new). Rows split across managers or share classes are combined. Click a box for the stock.

Sector mix

% of 13F value

Sectors from each company's SIC code; funds and ETFs grouped separately.

Biggest buys and sells

Q1 26 → Q2 26

Estimated from the change in shares held × the quarter-end price, so price moves alone don't count as buying. New and exited positions are included.

13F assets and positions

4 quarters

Total reported 13F value (bars) and number of positions (line) each quarter. Value changes include market moves.

Top positions over time

reported value

The eight largest current positions, valued at each quarter end.

Concentration

top 10 = 35.3%

Cumulative share of the portfolio held in the largest N positions.

Firm Profile & Key People

Name Title / Status Ownership Type

Quarter-over-quarter changes

Changes in reported position value vs the prior 13F, so price moves count too, not just shares bought or sold.

Marex Group Ltd Holdings (2026-06-30)

Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).

# Issuer Symbol CUSIP Value Weight Shares Type
1 INVESCO QQQ TR Put QQQ 46090E103 $1.65B 6.99% 2,236,100 SH
2 SANDISK CORP Put SNDK 80004C200 $1.15B 4.87% 505,000 SH
3 INVESCO QQQ TR Call QQQ 46090E103 $863.1M 3.66% 1,172,000 SH
4 SANDISK CORP Call SNDK 80004C200 $852.6M 3.62% 375,000 SH
5 MARVELL TECHNOLOGY INC MRVL 573874104 $570.4M 2.42% 1,914,694 SH
6 AST SPACEMOBILE INC ASTS 00217D100 $513.7M 2.18% 5,780,685 SH
7 MICROSOFT CORP Put MSFT 594918104 $410.3M 1.74% 1,100,000 SH
8 SANDISK CORP SNDK 80004C200 $398.5M 1.69% 175,248 SH
9 APPLIED OPTOELECTRONICS INC AAOI 03823U102 $392.5M 1.67% 2,648,901 SH
10 BROADCOM INC Put AVGO 11135F101 $387.2M 1.64% 1,025,000 SH
11 BROADCOM INC AVGO 11135F101 $387.2M 1.64% 1,025,000 SH
12 APPLIED OPTOELECTRONICS INC Put AAOI 03823U102 $370.4M 1.57% 2,500,000 SH
13 SPACE EXPLORATION TECHN CORP SPCX 84615Q103 $319.5M 1.36% 1,869,840 SH
14 SERVICENOW INC NOW 81762P102 $318.0M 1.35% 3,202,600 SH
15 COINSHARES BITCOIN ETF BRRR 91916J100 $300.2M 1.27% 18,140,000 SH
16 MICROSOFT CORP MSFT 594918104 $289.1M 1.23% 775,000 SH
17 LUMENTUM HLDGS INC LITE 55024U109 $283.8M 1.20% 330,725 SH
18 SANDISK CORP SNDK 80004C200 $283.0M 1.20% 124,444 SH
19 ELI LILLY & CO Put LLY 532457108 $269.9M 1.14% 225,000 SH
20 ELI LILLY & CO LLY 532457108 $269.9M 1.14% 225,000 SH
21 NVIDIA CORPORATION NVDA 67066G104 $257.8M 1.09% 1,288,176 SH
22 AXT INC AXTI 00246W103 $254.7M 1.08% 3,533,157 SH
23 ROUNDHILL ETF TRUST DRAM 77926X320 $244.6M 1.04% 3,312,670 SH
24 ISHARES TR Put IWM 464287655 $225.9M 0.96% 752,000 SH
25 ALPHABET INC GOOG 02079K107 $212.0M 0.90% 600,000 SH
26 ALPHABET INC Put GOOG 02079K107 $212.0M 0.90% 600,000 SH
27 UNITEDHEALTH GROUP INC Put UNH 91324P102 $207.8M 0.88% 500,000 SH
28 UNITEDHEALTH GROUP INC UNH 91324P102 $207.8M 0.88% 500,000 SH
29 NVIDIA CORPORATION NVDA 67066G104 $194.9M 0.83% 973,949 SH
30 GOLDMAN SACHS GROUP INC GS 38141G104 $192.2M 0.82% 190,000 SH
31 GOLDMAN SACHS GROUP INC Put GS 38141G104 $192.2M 0.82% 190,000 SH
32 NEBIUS GROUP N.V. NBIS N97284108 $176.3M 0.75% 638,246 SH
33 VERTIV HOLDINGS CO VRT 92537N108 $176.0M 0.75% 525,789 SH
34 LUMENTUM HLDGS INC Put LITE 55024U109 $171.6M 0.73% 200,000 SH
35 LUMENTUM HLDGS INC LITE 55024U109 $171.6M 0.73% 200,000 SH
36 ISHARES BITCOIN TRUST ETF IBIT 46438F101 $171.3M 0.73% 5,145,432 SH
37 IONQ INC IONQ 46222L108 $170.1M 0.72% 3,193,404 SH
38 AST SPACEMOBILE INC Call ASTS 00217D100 $159.9M 0.68% 1,800,000 SH
39 ROBINHOOD MKTS INC HOOD 770700102 $154.6M 0.66% 1,542,041 SH
40 CORNING INC GLW 219350105 $153.8M 0.65% 602,200 SH
41 MARVELL TECHNOLOGY INC Call MRVL 573874104 $148.9M 0.63% 500,000 SH
42 AXT INC Put AXTI 00246W103 $144.2M 0.61% 2,000,000 SH
43 GE VERNOVA INC Put GEV 36828A101 $139.8M 0.59% 119,000 SH
44 GE VERNOVA INC GEV 36828A101 $139.8M 0.59% 119,000 SH
45 ALPHABET INC Put GOOGL 02079K305 $128.7M 0.55% 360,000 SH
46 ALPHABET INC GOOGL 02079K305 $128.7M 0.55% 360,000 SH
47 NUSCALE PWR CORP SMR 67079K100 $127.1M 0.54% 12,671,430 SH
48 MICROSOFT CORP Call MSFT 594918104 $121.2M 0.51% 325,000 SH
49 AMAZON COM INC Put AMZN 023135106 $119.2M 0.51% 500,000 SH
50 AMAZON COM INC AMZN 023135106 $117.3M 0.50% 492,000 SH
Filing History
Period Filed AUM Holdings Accession
2026-06-30 2026-08-14 $23.57B 1,609 0001997464-26-000070
2026-03-31 2026-05-13 $15.82B 1,464 0001997464-26-000058
2024-09-30 2026-04-07 $4.38B 901 0001997464-26-000049
2024-03-31 2026-04-02 $3.08B 714 0001997464-26-000047
Filer Information
Address
155 BISHOPSGATE
LONDON EC2M 3TQ
Phone
44 2076 556000
Filing Manager
Marex Group Ltd
London, X0
Signatory
Scott Linsley
Corporate Secretary