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Guinness Atkinson Asset Management Inc — 13F Holdings & Portfolio

CIK 1409765 · latest 13F-HR filed 2026-07-29

Backtest portfolio

Guinness Atkinson Asset Management Inc manages $223.1M in 13F-reported U.S. long-equity assets across 107 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are TSM (5.51%), AVGO (4.78%), AMAT (4.55%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 3 new positions, exited 19, added to 39, and trimmed 40.

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.

Filer Information
Address
251 SOUTH LAKE AVENUE, SUITE 800
PASADENA, CA 91101
Phone
(818) 716-2739
Filing Manager
Guinness Atkinson Asset Management Inc
PASADENA, CA
Signatory
Bernadett Horvath
Finance officer
Loading holdings…
AUM

$223.1M

Long-equity book

Holdings

107

Distinct positions

Period

2026-06-30

Filed 2026-07-29

Q/Q Activity

+3 / −19 / ↑39 / ↓40

vs 2026-03-31

Firm Profile & Key People
Name Title / Status Ownership Type

Top Adds (vs prior quarter)

  • APPLIED MATLS INC$4.1M +67.5%
  • KLA CORP$3.9M +63.6%
  • TAIWAN SEMICONDUCTOR MANUFAC$3.6M +41.5%
  • LAM RESEARCH CORP$3.3M +59.7%
  • AMPHENOL CORP$2.2M +33.6%
Show all 39 →

Top Trims

  • NETFLIX INC.-$2.0M -27.3%
  • SALESFORCE INC-$1.1M -17.8%
  • INTERCONTINENTAL EXCHANGE IN-$992.0K -16.1%
  • ROPER TECHNOLOGIES INC-$409.3K -6.4%
  • MEDTRONIC PLC-$335.0K -5.1%
Show all 40 →

New Positions

  • ADVANCED MICRO DEVICES INC$8.2M
  • NASDAQ INC$6.1M
  • PUBLIC SVC ENTERPRISE GROUP$11.8K
Show all 3 →

Exited Positions

  • ADOBE INC$4.5M
  • INTUIT$4.0M
  • EXXON MOBIL CORP$836.1K
  • AUTOHOME INC$213.7K
  • LOCKHEED MARTIN CORP$10.3K
Show all 19 →
All Holdings

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 MANUFAC TSM 874039100 $12.3M 5.51% 25,719 SH
2 BROADCOM INC AVGO 11135F101 $10.7M 4.78% 28,243 SH
3 APPLIED MATLS INC AMAT 038222105 $10.1M 4.55% 14,038 SH
4 KLA CORP KLAC 482480100 $10.0M 4.46% 33,005 SH
5 LAM RESEARCH CORP LRCX 512807306 $8.9M 3.98% 20,507 SH
6 AMPHENOL CORP APH 032095101 $8.8M 3.95% 49,982 SH
7 ADVANCED MICRO DEVICES INC AMD 007903107 $8.2M 3.69% 14,186 SH
8 ALPHABET INC GOOGL 02079K305 $7.2M 3.22% 20,101 SH
9 AMAZON COM INC AMZN 023135106 $7.0M 3.16% 29,534 SH
10 NVIDIA CORPORATION NVDA 67066G104 $6.9M 3.11% 34,689 SH
11 MICROSOFT CORP MSFT 594918104 $6.7M 3.02% 18,051 SH
12 VISA INC V 92826C839 $6.7M 3.01% 19,542 SH
13 APPLE INC AAPL 037833100 $6.5M 2.93% 22,562 SH
14 AMETEK INC AME 031100100 $6.4M 2.89% 26,604 SH
15 MEDTRONIC PLC MDT G5960L103 $6.3M 2.82% 80,431 SH
16 MASTERCARD INCORPORATED MA 57636Q104 $6.2M 2.77% 12,014 SH
17 NASDAQ INC NDAQ 631103108 $6.1M 2.75% 77,850 SH
18 THERMO FISHER SCIENTIFIC INC TMO 883556102 $6.1M 2.72% 12,085 SH
19 ROPER TECHNOLOGIES INC ROP 776696106 $6.0M 2.70% 17,790 SH
20 DANAHER CORP DEL DHR 235851102 $5.7M 2.54% 29,708 SH
21 META PLATFORMS INC META 30303M102 $5.3M 2.37% 9,404 SH
22 NETFLIX INC. NFLX 64110L106 $5.3M 2.36% 73,724 SH
23 INTERCONTINENTAL EXCHANGE IN ICE 45866F104 $5.2M 2.31% 41,942 SH
24 SALESFORCE INC CRM 79466L302 $5.0M 2.24% 31,825 SH
25 NETEASE COM INC NTES 64110W102 $3.1M 1.39% 24,258 SH
26 EATON CORP PLC ETN G29183103 $2.6M 1.17% 6,140 SH
27 AFLAC INC AFL 001055102 $2.5M 1.11% 21,071 SH
28 CISCO SYS INC CSCO 17275R102 $1.6M 0.74% 14,014 SH
29 TEXAS INSTRS INC TXN 882508104 $1.6M 0.70% 5,275 SH
30 QUALCOMM INC QCOM 747525103 $1.3M 0.58% 7,000 SH
31 ABBVIE INC ABBV 00287Y109 $1.3M 0.57% 5,045 SH
32 BAIDU INC BIDU 056752108 $1.2M 0.52% 10,223 SH
33 COCA COLA CO KO 191216100 $1.2M 0.52% 14,248 SH
34 JOHNSON & JOHNSON JNJ 478160104 $1.1M 0.51% 4,493 SH
35 PAYCHEX INC PAYX 704326107 $1.1M 0.51% 11,581 SH
36 GALLAGHER ARTHUR J & CO AJG 363576109 $1.1M 0.50% 4,859 SH
37 NXP SEMICONDUCTORS N V NXPI N6596X109 $1.1M 0.48% 3,786 SH
38 MONDELEZ INTL INC MDLZ 609207105 $1.1M 0.47% 18,256 SH
39 SENSATA TECHNOLOGIES HLDG PL ST G8060N102 $1.0M 0.47% 21,730 SH
40 EMERSON ELEC CO EMR 291011104 $1.0M 0.46% 7,168 SH
41 ILLINOIS TOOL WKS INC ITW 452308109 $1.0M 0.45% 3,718 SH
42 PROCTER & GAMBLE CO PG 742718109 $980.1K 0.44% 6,684 SH
43 BLACKROCK INC BLK 09290D101 $933.7K 0.42% 971 SH
44 HUBBELL INC HUBB 443510607 $918.2K 0.41% 1,755 SH
45 TRANE TECHNOLOGIES PLC TT G8994E103 $901.8K 0.40% 1,836 SH
46 PEPSICO INC PEP 713448108 $896.2K 0.40% 6,619 SH
47 OTIS WORLDWIDE CORP OTIS 68902V107 $856.4K 0.38% 11,961 SH
48 NEXTERA ENERGY INC NEE 65339F101 $853.8K 0.38% 9,728 SH
49 JD.COM INC JD 47215P106 $826.5K 0.37% 32,438 SH
50 CME GROUP INC CME 12572Q105 $763.9K 0.34% 3,459 SH
Filing History
Period Filed AUM Holdings Accession
2026-06-30 2026-07-29 $223.1M 107 0001409765-26-000007
2026-03-31 2026-04-21 $200.2M 123 0001409765-26-000005
2025-12-31 2026-02-10 $212.3M 123 0001409765-26-000003