Parametrica Management Ltd — 13F Holdings & Portfolio
CIK 1535110 · latest 13F-HR filed 2026-10-27
Parametrica Management Ltd manages $141.8M in 13F-reported U.S. long-equity assets across 29 reported positions as of its 2026-09-30 13F-HR filing. Its largest disclosed positions are DRAM (16.61%), DRAM (12.98%), META (9.74%). Quarter over quarter (versus its 2026-06-30 filing) the fund opened 13 new positions and exited 6; 5 existing positions rose in reported value and 9 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 2026-10-27
vs 2026-06-30
Portfolio charts
Latest quarter's book, what changed, and how the portfolio has evolved across filings.
Portfolio map
Q3 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
Q2 26 → Q3 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
5 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 = 84.2%Cumulative share of the portfolio held in the largest N positions.
As of the firm’s regulatory filing dated Mar 24, 2026.
25 HARBOUR ROAD, WANCHAI
HONG KONG
Hong Kong
| Name | Title / Status | Ownership | Type |
|---|---|---|---|
| JU, XIONGWEI Control | DIRECTOR AND CHIEF INVESTMENT OFFICER since Aug 2008 | 75% or more | Individual |
| LI, ZHIYI Control | HEAD OF FINANCE, RISK AND COMPLIANCE since Dec 2025 | Less than 5% | Individual |
Ownership & leadership changes · 4 filings with changes since Mar 29, 2012
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 listedWan, Yin Lam · HEAD OF FINANCE, RISK AND COMPLIANCE · Less than 5% · control person · listed since Mar 2022
- AddedLI, ZHIYI · HEAD OF FINANCE, RISK AND COMPLIANCE · Less than 5% · control person
- No longer listedCHEUNG, KA YAN FLORA · CHIEF FINANCIAL OFFICER · Less than 5% · control person · listed since Jan 2018
- AddedWan, Yin Lam · HEAD OF FINANCE, RISK AND COMPLIANCE · Less than 5% · control person
- No longer listedNG, GABRIEL, KAPUI · CHIEF COMPLIANCE OFFICER · Less than 5% · listed since Mar 2012
- AddedCHEUNG, KA YAN FLORA · CHIEF FINANCIAL OFFICER · Less than 5% · control person
- No longer listedPARAMETRICA ASSET MANAGEMENT LTD. · SHAREHOLDER OF PARAMETRICA MANAGEMENT LIMITED · 75% or more · control person · listed since Aug 2008
- ChangedJU, XIONGWEI · title PRINICIPAL, MANAGING DIRECTOR, FOUNDER AND CHIEF INVESTMENT OFFICER FOR APPLICANT → DIRECTOR AND CHIEF INVESTMENT OFFICER
- ListedJU, XIONGWEI · PRINICIPAL, MANAGING DIRECTOR, FOUNDER AND CHIEF INVESTMENT OFFICER FOR APPLICANT · 75% or more · control person
- ListedNG, GABRIEL, KAPUI · CHIEF COMPLIANCE OFFICER · Less than 5%
- ListedPARAMETRICA ASSET MANAGEMENT LTD. · SHAREHOLDER OF PARAMETRICA MANAGEMENT LIMITED · 75% or more · 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)
- META PLATFORMS INC$4.7M +51.7%
- ISHARES INC$2.0M +66.0%
- NVIDIA CORPORATION$1.3M +21.5%
- ALPHABET INC$1.1M +11.1%
- INTEL CORP$1.0M +24.9%
Top Trims
- ROUNDHILL ETF TRUST-$13.1M -41.5%
- MICRON TECHNOLOGY INC-$11.3M -47.9%
- APPLE INC-$2.1M -61.6%
- BROADCOM INC-$2.0M -53.7%
- TAIWAN SEMICONDUCTOR MANUFAC-$1.5M -12.8%
New Positions
- AMAZON COM INC$5.7M
- ADVANCED MICRO DEVICES INC$2.4M
- LUMENTUM HLDGS INC$2.0M
- NEBIUS GROUP N.V.$1.9M
- WESTERN DIGITAL CORP$1.6M
Exited Positions
- CATERPILLAR INC$5.8M
- SANDISK CORP$3.4M
- NOKIA CORP$2.1M
- CORNING INC$2.0M
- QUALCOMM INC$1.9M
Parametrica Management Ltd Holdings (2026-09-30)
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 | ROUNDHILL ETF TRUST Call | DRAM | 77926X320 | $23.5M | 16.61% | 390,100 | SH |
| 2 | ROUNDHILL ETF TRUST | DRAM | 77926X320 | $18.4M | 12.98% | 304,821 | SH |
| 3 | META PLATFORMS INC | META | 30303M102 | $13.8M | 9.74% | 19,040 | SH |
| 4 | MICRON TECHNOLOGY INC | MU | 595112103 | $12.2M | 8.63% | 11,481 | SH |
| 5 | ALPHABET INC | GOOGL | 02079K305 | $11.3M | 7.96% | 32,799 | SH |
| 6 | TAIWAN SEMICONDUCTOR MANUFAC | TSM | 874039100 | $10.1M | 7.11% | 22,100 | SH |
| 7 | SK HYNIX INC Call | SKHY | 78392B206 | $9.2M | 6.49% | 50,000 | SH |
| 8 | NVIDIA CORPORATION | NVDA | 67066G104 | $7.6M | 5.35% | 33,190 | SH |
| 9 | AMAZON COM INC | AMZN | 023135106 | $5.7M | 4.04% | 23,000 | SH |
| 10 | INTEL CORP | INTC | 458140100 | $5.2M | 3.69% | 43,500 | SH |
| 11 | ISHARES INC | EWY | 464286772 | $5.0M | 3.55% | 27,508 | SH |
| 12 | ADVANCED MICRO DEVICES INC | AMD | 007903107 | $2.4M | 1.73% | 4,000 | SH |
| 13 | SEAGATE TECHNOLOGY HLDNGS PL | STX | G7997R103 | $2.1M | 1.49% | 2,293 | SH |
| 14 | LUMENTUM HLDGS INC | LITE | 55024U109 | $2.0M | 1.39% | 2,029 | SH |
| 15 | NEBIUS GROUP N.V. | NBIS | N97284108 | $1.9M | 1.33% | 8,000 | SH |
| 16 | ATRENEW INC | RERE | 00138L108 | $1.8M | 1.26% | 478,798 | SH |
| 17 | BROADCOM INC | AVGO | 11135F101 | $1.8M | 1.24% | 5,000 | SH |
| 18 | WESTERN DIGITAL CORP | WDC | 958102105 | $1.6M | 1.12% | 3,487 | SH |
| 19 | BLOOM ENERGY CORP | BE | 093712107 | $1.5M | 1.07% | 5,500 | SH |
| 20 | APPLE INC | AAPL | 037833100 | $1.3M | 0.94% | 4,000 | SH |
| 21 | COHERENT CORP | COHR | 19247G107 | $1.2M | 0.83% | 4,070 | SH |
| 22 | CEREBRAS SYSTEMS INC | CBRS | 15675D103 | $888.2K | 0.63% | 5,000 | SH |
| 23 | IREN LIMITED | IREN | Q4982L109 | $817.6K | 0.58% | 20,000 | SH |
| 24 | BIOCRYST PHARMACEUTICALS INC | BCRX | 09058V103 | $128.3K | 0.09% | 15,401 | SH |
| 25 | TRANSOCEAN LTD | RIG | H8817H100 | $89.8K | 0.06% | 17,132 | SH |
| 26 | CENTURY THERAPEUTICS INC | IPSC | 15673T100 | $47.6K | 0.03% | 27,840 | SH |
| 27 | FATE THERAPEUTICS INC | FATE | 31189P102 | $43.8K | 0.03% | 18,472 | SH |
| 28 | VERRA MOBILITY CORP | VRRM | 92511U102 | $37.4K | 0.03% | 12,080 | SH |
| 29 | PLUG PWR INC | PLUG | 72919P202 | $22.2K | 0.02% | 11,439 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-09-30 | 2026-10-27 | $141.8M | 29 | 0001535110-26-000007 |
| 2026-06-30 | 2026-08-12 | $127.6M | 20 | 0001535110-26-000006 |
| 2026-03-31 | 2026-05-11 | $88.0M | 20 | 0001535110-26-000004 |
| 2025-12-31 | 2026-02-10 | $64.9M | 22 | 0001535110-26-000002 |
| 2025-09-30 | 2025-11-12 | $64.6M | 23 | 0001535110-25-000003 |
25 HARBOUR ROAD
WANCHAI 00000