Machinery · Fiscal year end Mar 31

Harmonic Drive Systems Inc.

6324

株式会社ハーモニック・ドライブ・システムズ

FIGI BBG000BCZPZ86324.T6324 JPCorp. no. 3010701008189

Latest half-year results

First half · fiscal year to 2026-03 · filed 2025-11-13

For the first half of the fiscal year to 2026-03: Revenue ¥27.8 billion (+4.8% YoY), Ordinary income ¥0.5 billion, Net income ¥0.3 billion.

	This period	Year on year
Revenue	¥27.8bn	+4.8%
Ordinary profit	¥503m	—
Net profit to owners	¥317m	—

From the securities report on EDINET, which states no forecast. History via /v1/companies/6324/earnings-releases.

Financials

Japan GAAP · consolidated · fiscal year to 2026-03-31

Revenue: ¥59.6bn
Net income: ¥1.6bn
ROE: 2.0%
Equity ratio: 72.2%
Dividend / share: ¥20
Employees: 1,419

Revenue · ¥bn

Net income · ¥bn

Fiscal year	Revenue	Net income	Total assets	Net assets	ROE	EPS	Operating CF
2026-03-31	¥59.6bn	¥1.6bn	¥111.4bn	¥80.4bn	2.0%	¥16.99	¥6.4bn
2025-03-31	¥55.6bn	¥3.5bn	¥113.6bn	¥78.9bn	4.4%	¥36.57	¥7.5bn
2024-03-31	¥55.8bn	−¥24.8bn	¥119.1bn	¥79.4bn	-27.1%	¥-261	¥12.7bn
2023-03-31	¥71.5bn	¥7.6bn	¥154.3bn	¥104.0bn	7.5%	¥79.67	¥10.9bn
2022-03-31	¥57.1bn	¥6.6bn	¥143.3bn	¥98.9bn	6.6%	¥69.02	¥9.9bn

Indicators

Computed by us from filings · fiscal year to 2026-03-31

Metric	Value	Percentile among listed companies
ROE, %	2	11
Ordinary margin	0.0426	32.8
Equity ratio, %	72.2	78.4
Revenue growth	0.0703	59.5
Net income growth	-0.5368	12.7
Operating cash flow / assets	0.0577	45.6

Policy-uncertainty measure1.90 Share of the report's text discussing policy-related uncertainty, by policy area. Proprietary text method.

Trade & tariffs 3 Fiscal & tax 1 Regulation 1 Politics & geopolitics 4

Ownership activity 0 filer(s) stated they may make proposals in 365 days; 1 new 5% holder(s) in 180 days; net stake change 0.00pt in 90 days; 0.1% held by other listed companies.

Results wording balance: +0.46. Proprietary text method; it describes the wording only and does not interpret context.

Interest example: if all ¥13.2bn of reported debt repriced by 50 basis points, a year's interest would rise by ¥66m, 1.0% of operating cash flow. Our arithmetic only, not a forecast: fixed-rate debt and hedges are ignored.

Via /v1/companies/6324/indicators. Descriptive figures, not a rating and not investment advice.

From other filings

As the company states them

Internal control, 2026-06-16: see filing 上記の評価の結果、当事業年度末日時点において、当社の財務報告に係る内部統制は有効であると判断しました。 Filing

Segments, votes and tender offers

Stated in EDINET filings

Segments: Japan, China, North America, Europe. /v1/companies/6324/segments

Latest voting result: 2026-06-19 · 剰余金の処分の件 · passed. /v1/companies/6324/voting

Ownership changes

All companies →

2026-10-22

New 5% stake

TriVista Capital Inc. disclosed a 5.29% stake in Harmonic Drive Systems Inc. (6324), crossing the 5% reporting threshold.

S100Z8K5Filer profile Original filing (PDF, Japanese)
2025-04-07

Below 5%−1.39pt

Capital Research and Management Company cut holdings in Harmonic Drive Systems Inc. (6324) to 3.89% from 5.28%, below the 5% threshold.

S100VKB6Filer profile Original filing (PDF, Japanese)
2024-12-06

Decrease−0.55pt

Capital Research and Management Company reduced holdings in Harmonic Drive Systems Inc. (6324) to 5.28% from 5.83%.

S100UWD8Filer profile Original filing (PDF, Japanese)
2024-11-22

Below 5%−2.86pt

T. Rowe Price Associates, Inc. cut holdings in Harmonic Drive Systems Inc. (6324) to 4.28% from 7.14%, below the 5% threshold.

S100UT6YFiler profile Original filing (PDF, Japanese)
2024-11-08

Decrease−2.27pt

T. Rowe Price Associates, Inc. reduced holdings in Harmonic Drive Systems Inc. (6324) to 7.14% from 9.41%.

S100UNA9Filer profile Original filing (PDF, Japanese)
2024-09-06

Increase+1.15pt

T. Rowe Price Associates, Inc. raised holdings in Harmonic Drive Systems Inc. (6324) to 9.41% from 8.26%.

S100UBHAFiler profile Original filing (PDF, Japanese)
2024-08-22

Decrease−0.91pt

Capital Research and Management Company reduced holdings in Harmonic Drive Systems Inc. (6324) to 5.83% from 6.74%.

S100U9ARFiler profile Original filing (PDF, Japanese)
2024-01-11

Increase+0.49pt

T. Rowe Price Japan, Inc. raised holdings in Harmonic Drive Systems Inc. (6324) to 8.26% from 7.77%.

S100SKAKFiler profile Original filing (PDF, Japanese)
2023-10-20

Increase+1.18pt

Capital Research and Management Company raised holdings in Harmonic Drive Systems Inc. (6324) to 6.74% from 5.56%.

S100S1DPFiler profile Original filing (PDF, Japanese)
2023-09-25

Decrease−1.11pt

Capital Research and Management Company reduced holdings in Harmonic Drive Systems Inc. (6324) to 5.56% from 6.67%.

S100RVPRFiler profile Original filing (PDF, Japanese)

Trades by 5% holders

From the 60-day trade tables in 5% reports

Holder	Period	Net shares	Net % of shares	Avg. filed price	Range
ナブテスコ株式会社	2022-11-15 – 2022-11-15	-9,160,200	−9.52pt	—	—
Capital Research and Management Company	2021-10-05 – 2022-07-07	-646,700	−0.67pt	—	—
Capital International Inc.	2021-09-30 – 2022-07-01	+39,000	−7.01pt	—	—
Capital International Sarl	2021-12-28 – 2022-07-01	+31,000	+0.02pt	—	—
キャピタル・インターナショナル株式会社	2021-10-20 – 2022-06-29	+820,500	+0.84pt	—	—

Net shares and the average are our calculations. Prices are filed prices as stated by the filer, mostly for off-market trades; they are not market prices. Stock lending, custody transfers and option exercises are excluded from net shares. Every row via /v1/companies/6324/trades.

5% filings

Large shareholding reports on 6324

Filed	Filer	Stake	Change	Stated purpose
2026-10-22	TriVista Capital Inc.	5.29%	—	pure investment
2025-07-29	KODEN Holdings Co., Ltd.	34.77%	0.00pt	—
2025-07-11	KODEN Holdings Co., Ltd.	34.77%	0.00pt	—
2025-04-07	Capital Research and Management Company	3.89%	−1.39pt	pure investment
2024-12-06	Capital Research and Management Company	5.28%	−0.55pt	pure investment
2024-11-22	T. Rowe Price Associates, Inc.	4.28%	−2.86pt	pure investment
2024-11-08	T. Rowe Price Associates, Inc.	7.14%	−2.27pt	pure investment
2024-09-06	T. Rowe Price Associates, Inc.	9.41%	+1.15pt	pure investment
2024-08-22	Capital Research and Management Company	5.83%	−0.91pt	pure investment
2024-08-19	KODEN Holdings Company Limited	34.77%	0.00pt	—

Cross-shareholdings

From the annual report's status of shareholdings

Listed strategic holdings: 2 issues
Book value: ¥387m
Sold in the year: ¥327m 1 issues
Bought in the year: ¥345m — issues
Mutual, both reports: 1
Held by listed cos.: 2

Holds	Book value	Shares vs. prior year	Mutual
ISDN Holdings Ltd	¥336m	—	no
NANYO CORPORATION 7417	¥51m	0.0%	both reports
NACHI-FUJIKOSHI CORP. 6474	—	sold all	no

Held by: NANYO CORPORATION 7417, FANUC CORPORATION 6954

Purposes, all holdings and mutual flags via /v1/companies/6324/cross-holdings. Share changes include stock splits.

Major shareholders

As of fiscal year end 2026-03-31

Shareholder	Shares	Ratio
株式会社ＫＯＤＥＮホールディングス	33,490,700	35.37%
株式会社日本カストディ銀行（信託口）	5,762,900	6.08%
individual holder	3,041,600	3.21%
JPモルガン証券株式会社	2,275,114	2.40%
管理信託（A030）受託者株式会社ＳＭＢＣ信託銀行	2,176,800	2.29%
BNY GCM CLIENT ACCOUNT JPRD AC ISG (FE-AC)	2,079,716	2.19%
日本マスタートラスト信託銀行株式会社（信託口）	1,994,200	2.10%
individual holder	1,536,609	1.62%
GOVERNMENT OF NORWAY	1,235,454	1.30%
individual holder	1,165,372	1.23%

U.S. funds holding 6324

SEC Form N-PORT, reports to 2026-07-31

57 U.S. funds held 5,120,436 shares worth $216.9m.

Fund	Shares	Value	% of fund	As of
VANGUARD TOTAL INTERNATIONAL STOCK INDEX FUND VANGUARD STAR FUNDS	843,635	$31.7m	0.005%	2026-07-31
ROBO Global Robotics and Automation Index ETF EXCHANGE TRADED CONCEPTS TRUST	748,700	$28.9m	1.452%	2026-07-31
VANGUARD DEVELOPED MARKETS INDEX FUND VANGUARD TAX-MANAGED FUNDS	566,808	$27.7m	0.009%	2026-06-30
T. Rowe Price New Horizons Fund, Inc. T. ROWE PRICE NEW HORIZONS FUND, INC.	470,900	$23.0m	0.157%	2026-06-30
iShares Core MSCI EAFE ETF iShares Trust	441,800	$16.6m	0.009%	2026-07-31

Up to 25 funds per stock via the API.

Get this as JSON

GET /v1/companies/6324
GET /v1/companies/6324/financials
GET /v1/companies/6324/details
GET /v1/companies/6324/segments
GET /v1/companies/6324/voting
GET /v1/companies/6324/tender-offers
GET /v1/companies/6324/indicators
GET /v1/companies/6324/earnings-releases
GET /v1/events?ticker=6324
GET /v1/companies/6324/trades         
GET /v1/companies/6324/cross-holdings 
GET /v1/companies/6324/brief

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