Monolith Management Ltd — 13F Holdings & Portfolio
CIK 2008306 · latest 13F-HR filed 2026-08-10
Monolith Management Ltd manages $221.4M in 13F-reported U.S. long-equity assets across 19 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are TSM (19.08%), PDD (14.63%), MU (13.16%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 6 new positions and exited 20; 5 existing positions rose in reported value and 6 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.
Long-equity book
Distinct positions
Filed 2026-08-10
vs 2026-03-31
Portfolio charts
Latest quarter's book, what changed, and how the portfolio has evolved across filings.
Portfolio map
Q2 26Box 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 valueSectors from each company's SIC code; funds and ETFs grouped separately.
Biggest buys and sells
Q1 26 → Q2 26Estimated 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 quartersTotal reported 13F value (bars) and number of positions (line) each quarter. Value changes include market moves.
Top positions over time
reported valueThe eight largest current positions, valued at each quarter end.
Concentration
top 10 = 96.8%Cumulative share of the portfolio held in the largest N positions.
As of the firm’s regulatory filing dated Mar 19, 2026.
THREE GARDEN ROAD, CENTRAL
HONG KONG
Hong Kong
| Name | Title / Status | Ownership | Type |
|---|---|---|---|
| CAO, XI Control | DIRECTOR since Jun 2021 | Less than 5% | Individual |
| MONOLITH HOLDING LIMITED Control | SHAREHOLDER since Jun 2021 | 75% or more | Foreign Entity |
| WANG, YUCHEN Control | CHIEF INVESTMENT OFFICER since Jun 2021 | Less than 5% | Individual |
| YANG, Xing Jie Control | DIRECTOR AND CHIEF OPERATING OFFICER since Jun 2021 | Less than 5% | Individual |
| CAO, XI Control Indirect owner via MONOLITH HOLDING LIMITED | DIRECTOR AND SHAREHOLDER since Apr 2021 | 75% or more | Individual |
Ownership & leadership changes · 2 filings with changes since Mar 22, 2023
From the firm’s regulatory filings, newest first. Dates are filing dates: a filing that no longer lists someone does not say when they left.
- No longer listedCAO, XI · DIRECTOR AND SHAREHOLDER · 50–75% · indirect via MONOLITH HOLDING LIMITED · control person · listed since Apr 2021
- No longer listedWANG, YUCHEN · SHAREHOLDER · 25–50% · indirect via MONOLITH HOLDING LIMITED · control person · listed since Apr 2021
- Listed againCAO, XI · DIRECTOR AND SHAREHOLDER · 75% or more · indirect via MONOLITH HOLDING LIMITED · control person
- No longer listedCAO, XI · DIRECTOR AND SHAREHOLDER · 50–75% · indirect via MONOLITH MANAGEMENT LIMITED · control person · listed since Apr 2021
- No longer listedMONOLITH MANAGEMENT LIMITED · SHAREHOLDER · 75% or more · control person · listed since Jun 2021
- No longer listedWANG, Yuchen · CHIEF INVESTMENT OFFICER · Less than 5% · control person · listed since Jun 2021
- No longer listedWANG, Yuchen · SHAREHOLDER · 25–50% · indirect via MONOLITH MANAGEMENT LIMITED · control person · listed since Apr 2021
- AddedCAO, XI · DIRECTOR AND SHAREHOLDER · 50–75% · indirect via MONOLITH HOLDING LIMITED · control person
- AddedMONOLITH HOLDING LIMITED · SHAREHOLDER · 75% or more · control person
- AddedWANG, YUCHEN · CHIEF INVESTMENT OFFICER · Less than 5% · control person
- AddedWANG, YUCHEN · SHAREHOLDER · 25–50% · indirect via MONOLITH HOLDING LIMITED · control person
- ListedCAO, XI · DIRECTOR · Less than 5% · control person
- ListedCAO, XI · DIRECTOR AND SHAREHOLDER · 50–75% · indirect via MONOLITH MANAGEMENT LIMITED · control person
- ListedMONOLITH MANAGEMENT LIMITED · SHAREHOLDER · 75% or more · control person
- ListedWANG, Yuchen · CHIEF INVESTMENT OFFICER · Less than 5% · control person
- ListedWANG, Yuchen · SHAREHOLDER · 25–50% · indirect via MONOLITH MANAGEMENT LIMITED · control person
- ListedYANG, Xing Jie · DIRECTOR AND CHIEF OPERATING OFFICER · Less than 5% · control person
Quarter-over-quarter changes
Changes in reported position value vs the prior 13F, so price moves count too, not just shares bought or sold.
Top Adds (vs prior quarter)
- New Oriental Education & Technology Group Inc$14.6M +263.7%
- Alibaba Group Holding Ltd$6.3M +127.6%
- Sea Ltd$521.5K +15.7%
- Fabrinet$159.2K +50.9%
- MKS Incorporated$92.2K +11.6%
Top Trims
- Synopsys Inc-$15.2M -46.6%
- Tower Semiconductor Ltd-$9.6M -92.5%
- Taiwan Semiconductor Manufacturing Co Ltd-$7.4M -15.0%
- HUYA Inc-$2.0M -30.3%
- Coupang Inc-$296.2K -8.0%
New Positions
- Micron Technology Inc$29.1M
- Lam Research Corp$24.7M
- STMicroelectronics NV$1.1M
- Marvell Technology Inc$1.1M
- Advanced Micro Devices Inc$580.9K
Exited Positions
- Alphabet Inc$40.2M
- AXT Inc$16.0M
- Tesla Inc$15.5M
- Sandisk Corp$13.0M
- Atour Lifestyle Holdings Ltd$11.2M
Monolith Management 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 | Taiwan Semiconductor Manufacturing Co Ltd | TSM | 874039100 | $42.2M | 19.08% | 88,450 | SH |
| 2 | PDD Holdings Inc Call | PDD | 722304102 | $32.4M | 14.63% | 424,500 | SH |
| 3 | Micron Technology Inc | MU | 595112103 | $29.1M | 13.16% | 25,240 | SH |
| 4 | Lam Research Corp | LRCX | 512807306 | $24.7M | 11.18% | 57,100 | SH |
| 5 | Alibaba Group Holding Ltd Call | BABA | 01609W102 | $23.1M | 10.43% | 240,500 | SH |
| 6 | New Oriental Education & Technology Group Inc | EDU | 647581206 | $20.2M | 9.11% | 439,500 | SH |
| 7 | Synopsys Inc | SNPS | 871607107 | $17.5M | 7.90% | 39,217 | SH |
| 8 | Alibaba Group Holding Ltd | BABA | 01609W102 | $11.3M | 5.09% | 117,505 | SH |
| 9 | HUYA Inc | HUYA | 44852D108 | $4.5M | 2.04% | 1,965,800 | SH |
| 10 | Sea Ltd | SE | 81141R100 | $3.8M | 1.73% | 40,050 | SH |
| 11 | Nu Holdings Ltd. | NU | G6683N103 | $3.7M | 1.68% | 277,900 | SH |
| 12 | Coupang Inc | CPNG | 22266T109 | $3.4M | 1.54% | 196,150 | SH |
| 13 | STMicroelectronics NV | STM | 861012102 | $1.1M | 0.50% | 14,800 | SH |
| 14 | Marvell Technology Inc | MRVL | 573874104 | $1.1M | 0.48% | 3,600 | SH |
| 15 | MKS Incorporated | MKSI | 55306N104 | $889.6K | 0.40% | 2,000 | SH |
| 16 | Tower Semiconductor Ltd | TSEM | M87915274 | $781.9K | 0.35% | 3,000 | SH |
| 17 | Advanced Micro Devices Inc | AMD | 007903107 | $580.9K | 0.26% | 1,000 | SH |
| 18 | Fabrinet | FN | G3323L100 | $472.1K | 0.21% | 840 | SH |
| 19 | Semtech Corp | SMTC | 816850101 | $453.2K | 0.20% | 2,800 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-06-30 | 2026-08-10 | $221.4M | 19 | 0002008306-26-000005 |
| 2026-03-31 | 2026-05-14 | $332.0M | 33 | 0002008306-26-000002 |
| 2025-12-31 | 2026-02-17 | $267.0M | 22 | 0002008306-26-000001 |
| 2025-09-30 | 2025-11-13 | $226.8M | 17 | 0002008306-25-000006 |
THREE GARDEN ROAD, CENTRAL
HONG KONG, K3 00000