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【4752】昭和システムエンジニアリング
ソフトウェア開発。入力業務、受託計算、ソフト開発を一貫して提供。
類似企業：
【業界1位】
LINEヤフー
【業界1位】
LINEヤフー
| 保有者 | 2014.3 | 2014.9 | 2015.3 | 2015.9 | 2016.3 | 2016.9 | 2017.3 | 2017.9 | 2018.3 | 2018.9 | 2019.3 | 2019.9 | 2020.3 | 2020.9 | 2021.3 | 2021.9 | 2022.3 | 2022.9 | 2023.3 | 2023.9 | 2024.3 | 2024.9 | 2025.3 | 2025.9 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 尾崎 裕一 | 176,600 (3.67%) |
176,600
(3.67%)
|
180,600
(3.75%)
|
180,600
(3.75%)
|
185,100
(3.84%)
|
185,100
(3.84%)
|
1,017,200
(21.14%)
|
1,017,900
(21.16%)
|
1,017,900
(23.0%)
|
1,017,900
(23.0%)
|
1,017,900
(23.0%)
|
1,017,900
(23.0%)
|
1,017,900
(23.0%)
|
1,017,900
(23.0%)
|
1,017,900
(23.0%)
|
1,017,900
(23.0%)
|
1,017,900
(23.26%)
|
1,017,900
(23.26%)
|
1,017,900
(23.26%)
|
1,017,900
(23.26%)
|
1,017,900
(23.5%)
|
1,017,900
(23.5%)
|
1,017,900
(23.78%)
|
1,017,900
(23.78%)
|
| 古殿 恭子 | 114,000 (2.37%) |
114,000
(2.37%)
|
114,000
(2.37%)
|
114,000
(2.37%)
|
114,000
(2.37%)
|
114,000
(2.37%)
|
614,000
(12.76%)
|
474,000
(9.85%)
|
474,000
(10.71%)
|
474,000
(10.71%)
|
474,000
(10.71%)
|
474,000
(10.71%)
|
474,000
(10.71%)
|
474,000
(10.71%)
|
474,000
(10.71%)
|
474,000
(10.71%)
|
474,000
(10.83%)
|
474,000
(10.83%)
|
474,000
(10.83%)
|
474,000
(10.83%)
|
474,000
(10.94%)
|
474,000
(10.94%)
|
474,000
(11.07%)
|
474,000
(11.07%)
|
| 有限会社オーエム商事 | 200,000 (4.15%) |
200,000
(4.15%)
|
200,000
(4.15%)
|
200,000
(4.15%)
|
200,000
(4.15%)
|
200,000
(4.15%)
|
200,000
(4.15%)
|
200,000
(4.15%)
|
200,000
(4.51%)
|
200,000
(4.51%)
|
200,000
(4.51%)
|
200,000
(4.51%)
|
200,000
(4.51%)
|
200,000
(4.51%)
|
200,000
(4.51%)
|
200,000
(4.51%)
|
200,000
(4.57%)
|
200,000
(4.57%)
|
200,000
(4.57%)
|
200,000
(4.57%)
|
200,000
(4.61%)
|
200,000
(4.61%)
|
200,000
(4.67%)
|
200,000
(4.67%)
|
| 株式会社愛媛銀行 | 180,000 (3.74%) |
180,000
(3.74%)
|
180,000
(3.74%)
|
180,000
(3.74%)
|
180,000
(3.74%)
|
180,000
(3.74%)
|
180,000
(3.74%)
|
180,000
(3.74%)
|
180,000
(4.06%)
|
180,000
(4.06%)
|
180,000
(4.06%)
|
180,000
(4.06%)
|
180,000
(4.06%)
|
180,000
(4.06%)
|
180,000
(4.06%)
|
180,000
(4.06%)
|
180,000
(4.11%)
|
180,000
(4.11%)
|
180,000
(4.11%)
|
180,000
(4.11%)
|
180,000
(4.15%)
|
180,000
(4.15%)
|
180,000
(4.2%)
|
180,000
(4.2%)
|
| 昭和システムエンジニアリング 従業員持株会 | 175,100 (3.64%) |
159,100
(3.3%)
|
163,700
(3.4%)
|
167,700
(3.48%)
|
172,600
(3.58%)
|
183,300
(3.81%)
|
189,400
(3.93%)
|
195,800
(4.07%)
|
192,300
(4.34%)
|
196,800
(4.44%)
|
195,900
(4.42%)
|
203,700
(4.6%)
|
204,600
(4.62%)
|
207,600
(4.69%)
|
210,800
(4.76%)
|
208,300
(4.7%)
|
209,100
(4.77%)
|
216,000
(4.93%)
|
194,600
(4.44%)
|
201,100
(4.59%)
|
177,500
(4.09%)
|
178,000
(4.1%)
|
166,900
(3.9%)
|
170,100
(3.97%)
|
| BIPROGY株式会社 | 150,000 (3.42%) |
150,000
(3.42%)
|
150,000
(3.42%)
|
150,000
(3.46%)
|
150,000
(3.46%)
|
150,000
(3.5%)
|
150,000
(3.5%)
|
|||||||||||||||||
| 山口 勝彦 | 125,100 (2.6%) |
125,100
(2.6%)
|
125,100
(2.6%)
|
125,100
(2.6%)
|
125,100
(2.6%)
|
125,100
(2.6%)
|
125,100
(2.6%)
|
125,100
(2.6%)
|
125,100
(2.82%)
|
125,100
(2.82%)
|
125,100
(2.82%)
|
125,100
(2.82%)
|
125,100
(2.82%)
|
125,100
(2.82%)
|
125,100
(2.82%)
|
125,100
(2.82%)
|
125,100
(2.85%)
|
125,100
(2.85%)
|
125,100
(2.85%)
|
125,100
(2.85%)
|
125,100
(2.88%)
|
125,100
(2.88%)
|
125,100
(2.92%)
|
125,100
(2.92%)
|
| 戸堀 淳子 | 100,000 (2.07%) |
100,000
(2.07%)
|
100,000
(2.07%)
|
100,000
(2.07%)
|
100,000
(2.07%)
|
100,000
(2.07%)
|
100,000
(2.07%)
|
100,000
(2.07%)
|
100,000
(2.25%)
|
100,000
(2.25%)
|
100,000
(2.25%)
|
100,000
(2.25%)
|
100,000
(2.25%)
|
100,000
(2.25%)
|
100,000
(2.25%)
|
100,000
(2.25%)
|
100,000
(2.28%)
|
100,000
(2.28%)
|
100,000
(2.28%)
|
100,000
(2.28%)
|
100,000
(2.3%)
|
100,000
(2.3%)
|
100,000
(2.34%)
|
100,000
(2.34%)
|
| 山口 岳彦 | 96,000 (2.16%) |
96,000
(2.16%)
|
96,000
(2.16%)
|
96,000
(2.16%)
|
96,000
(2.16%)
|
96,000
(2.21%)
|
96,000
(2.21%)
|
96,000
(2.24%)
|
96,000
(2.24%)
|
|||||||||||||||
| 光通信KK投資事業有限責任組合 | 95,100 (2.22%) | |||||||||||||||||||||||
| 山口 猷子 | 116,600 (2.42%) |
116,600
(2.42%)
|
116,600
(2.42%)
|
72,600
(1.7%)
|
||||||||||||||||||||
| 株式会社SBI証券 | 82,300 (1.9%) | |||||||||||||||||||||||
| 光通信株式会社 | 143,300 (3.23%) |
143,300
(3.23%)
|
155,300
(3.5%)
|
155,300
(3.54%)
|
155,900
(3.56%)
|
202,000
(4.61%)
|
203,000
(4.64%)
|
90,000
(2.07%)
|
||||||||||||||||
| 昭和システムエンジニアリング 取引先持株会 | 97,500 (2.02%) |
98,800
(2.05%)
|
105,200
(2.18%)
|
108,300
(2.25%)
|
103,300
(2.14%)
|
86,000
(1.94%)
|
93,800
(2.11%)
|
98,300
(2.22%)
|
100,100
(2.26%)
|
105,100
(2.37%)
|
106,900
(2.44%)
|
112,200
(2.56%)
|
112,700
(2.57%)
|
117,200
(2.67%)
|
||||||||||
| 日本ユニシス株式会社 | 150,000 (3.11%) |
150,000
(3.11%)
|
150,000
(3.11%)
|
150,000
(3.11%)
|
150,000
(3.11%)
|
150,000
(3.11%)
|
150,000
(3.11%)
|
150,000
(3.11%)
|
150,000
(3.38%)
|
150,000
(3.38%)
|
150,000
(3.38%)
|
150,000
(3.38%)
|
150,000
(3.38%)
|
150,000
(3.38%)
|
150,000
(3.38%)
|
150,000
(3.38%)
|
150,000
(3.42%)
|
|||||||
| 株式会社光通信 | 116,400 (2.63%) |
127,300
(2.87%)
|
128,700
(2.9%)
|
|||||||||||||||||||||
| 水元 公仁 | 110,000 (2.28%) |
110,000
(2.28%)
|
||||||||||||||||||||||
| 尾崎 修 | 1,327,000 (27.58%) |
1,327,000
(27.58%)
|
1,327,000
(27.58%)
|
1,327,000
(27.58%)
|
1,327,000
(27.58%)
|
1,327,000
(27.58%)
|
