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基本データ

【業種】: 化学
【市場】: プライム（内国株式）
【決算期】: 3月
【会社設立】
【上場】: 1949.5
【直近決算日】: 2025-04-25（4Q）
【決算予定日】: 2025-07-24 (15:30)

【時価総額】: 9兆6748億円
【PBR】: 2.05倍
【配当利回り(予)】: %

企業概要

当社グループは、塩化ビニル樹脂やか性ソーダを中心とした「生活環境基盤材料事業」、半導体シリコンや希土類磁石などの「電子材料事業」、シリコーンや金属珪素を扱う「機能材料事業」、さらには加工や商事、技術サービスを提供する「加工・商事・技術サービス事業」の4つの主要事業を展開している。
生活環境基盤材料事業では、国内外の多くの関連会社を通じて製品の製造・販売を行い、特に塩化ビニル樹脂では世界的に高いシェアを持つ。
電子材料事業においては、半導体産業向けの製品を中心に、業界内での重要な地位を確立している。
機能材料事業も広範な製品ラインを揃え、高い技術力を背景に様々な産業分野への貢献を行っている。

業績修正履歴

年度	タイプ	日付	売上高	営業利益	経常利益	純利益
2023-03	新規（未定）	2022-04-27	未定	未定	未定	未定
	変更	2022-07-27	2,550,000	825,000	840,000	588,000
	変更	2022-10-27	2,700,000(⬆)	940,000(⬆)	980,000(⬆)	680,000(⬆)
	変更	2023-01-26	2,780,000(⬆)	995,000(⬆)	1,020,000(⬆)	708,000(⬆)
2024-03	新規（未定）	2023-04-27	未定	未定	未定	未定
	変更	2023-07-27	2,300,000	700,000	760,000	520,000
2025-03	新規（未定）	2024-04-25	未定	未定	未定	未定
	変更	2024-07-26	2,500,000	735,000	820,000	533,000
	変更	2025-02-12	750,000(⬇)	165,000(⬇)	740,000(⬇)	690,000(⬆)
今期	新規	2025-04-25	未定	未定	未定	未定

通期四半期別

売上高

経常利益

純利益

通期四半期別

決算期	四半期	売上高	営業利益	経常利益	純利益	1株当たり純利益	営業利益率	経常利益率	売上高/前年比	営業利益/前年比	経常利益/前年比	純利益/前年比
	予想		―	―	―	―	―	―	―%	―%	―%	―%
2025-03	4	2,561,249	742,105	820,543	534,021	269.52	28.97%	32.04%	6.1%	5.9%	4.2%	2.7%
	3	1,929,698	584,439	644,231	432,539	217.76	30.29%	33.39%	5.8%	4.5%	4.6%	6.4%
	2	1,266,460	405,703	442,924	294,117	147.83	32.03%	34.97%	5.9%	6.2%	3.6%	-2.4%
	1	597,930	191,023	219,810	144,021	72.21	31.95%	36.76%	-0.2%	0.1%	1.2%	-6.3%
2024-03	4	2,414,937	701,038	787,228	520,140	259.41	29.03%	32.6%	-14%	-29.8%	-22.8%	-26.6%
	3	1,823,403	559,528	615,732	406,529	202.44	30.69%	33.77%	-15.7%	-30.8%	-25.3%	-29.7%
	2	1,195,902	381,919	427,508	301,439	149.65	31.94%	35.75%	-15.1%	-28.8%	-23.5%	-23.2%
	1	599,201	190,820	217,115	153,633	76.13	31.85%	36.23%	-8.8%	-23.6%	-17.3%	-16.6%
2023-03	4	2,808,824	998,202	1,020,211	708,238	347.84	35.54%	36.32%	35.4%	47.6%	46.9%	41.6%
	3	2,163,237	808,227	824,217	578,519	1416.49	37.36%	38.1%	45.8%	68.3%	68.1%	63.8%
	2	1,409,336	536,237	559,026	392,324	955.99	38.05%	39.67%	49.7%	79.7%	84.2%	77.6%
	1	656,707	249,620	262,633	184,124	446.28	38.01%	39.99%	51.2%	93.8%	100.7%	92.3%
2022-03	4	2,074,428	676,322	694,434	500,117	1203.8	32.6%	33.48%	38.6%	72.4%	71.4%	70.3%
	3	1,483,703	480,112	490,304	353,135	850	32.36%	33.05%	36.1%	68.4%	67.3%	65.5%
	2	941,341	298,403	303,522	220,904	531.67	31.7%	32.24%	32.5%	61.9%	57.9%	57.4%
	1	434,239	128,818	130,831	95,725	230.35	29.67%	30.13%	20.8%	41.7%	37.4%	38.1%
2021-03	4	1,496,906	392,213	405,101	293,732	706.76	26.2%	27.06%	-3%	-3.4%	-3.1%	-6.5%
	3	1,090,407	285,021	293,043	213,321	513.25	26.14%	26.87%	-7.1%	-10.6%	-11.3%	-13.6%
	2	710,526	184,317	192,243	140,306	337.47	25.94%	27.06%	-9.7%	-12.5%	-11.9%	-15%
	1	359,339	90,937	95,238	69,312	166.67	25.31%	26.5%	-7%	-15.4%	-12.5%	-17.5%
2020-03	4	1,543,525	406,041	418,242	314,027	755.17	26.31%	27.1%	-3.2%	0.6%	0.7%	1.6%
	3	1,174,011	318,735	330,231	246,836	593.58	27.15%	28.13%	-2.7%	-1.8%	0.3%	1.9%
	2	786,542	210,532	218,222	165,025	396.8	26.77%	27.74%	-0.7%	0.6%	0.5%	3.9%
	1	386,211	107,502	108,902	84,028	201.96	27.84%	28.2%	0.7%	12.7%	9.5%	14%
2019-03	4	1,594,036	403,705	415,311	309,125	725.99	25.33%	26.05%	10.6%	19.9%	22%	16.1%
	3	1,206,842	324,622	329,403	242,127	567.56	26.9%	27.29%	13.7%	33.4%	31.6%	39.7%
	2	791,701	209,240	217,125	158,815	372.29	26.43%	27.43%	13.9%	33.9%	35.5%	43.4%
	1	383,633	95,405	99,431	73,718	172.82	24.87%	25.92%	14.1%	28.7%	29.1%	37.3%
2018-03	4	1,441,432	336,822	340,308	266,235	624.28	23.37%	23.61%	16.5%	41.2%	40.5%	51.3%
	3	1,061,100	243,330	250,238	173,332	406.47	22.93%	23.58%	15.1%	34.4%	35.2%	28.2%
	2	694,926	156,319	160,217	110,725	259.66	22.49%	23.06%	13.4%	28.1%	35.5%	26.6%
	1	336,242	74,142	77,040	53,710	125.96	22.05%	22.91%	11.8%	23.5%	33.2%	18.5%
2017-03	4	1,237,405	238,617	242,133	175,912	412.86	19.28%	19.57%	-3.3%	14.4%	10.1%	18.2%
	3	922,228	181,101	185,036	135,232	317.44	19.64%	20.06%	-5.5%	11.5%	8.4%	16.2%
	2	613,026	122,034	118,211	87,437	205.26	19.91%	19.28%	-5.1%	11.1%	4.6%	14.1%
	1	300,716	60,027	57,839	45,309	106.37	19.96%	19.23%	-4.2%	16.8%	5.1%	20.4%
2016-03	4	1,279,807	208,525	220,005	148,840	349.46	16.29%	17.19%	1.9%	12.5%	11.1%	15.7%
	3	975,914	162,427	170,736	116,419	273.34	16.64%	17.49%	5%	16%	11.9%	16.4%
	2	645,836	109,816	113,020	76,633	179.93	17%	17.5%	7%	12.5%	11.7%	13.4%
	1	314,043	51,410	55,008	37,630	88.35	16.37%	17.52%	6.6%	5.7%	11%	14.3%

決算期	四半期	売上高	営業利益	経常利益	純利益	1株当たり純利益	営業利益率	経常利益率	売上高/前年比	営業利益/前年比	経常利益/前年比	純利益/前年比
2025-03	4	631,551	157,666	176,312	101,482	51.76	24.96%	27.92%	6.76%	11.42%	2.81%	-10.68%
	3	663,238	178,736	201,307	138,422	69.93	26.95%	30.35%	5.7%	0.63%	6.95%	31.72%
	2	668,530	214,680	223,114	150,096	75.62	32.11%	33.37%	12.04%	12.34%	6.05%	1.55%
	1	597,930	191,023	219,810	144,021	72.21	31.95%	36.76%	-0.2%	0.1%	1.2%	-6.3%
2024-03	4	591,534	141,510	171,496	113,611	56.97	23.92%	28.99%	-8.37%	-25.51%	-12.5%	-12.42%
	3	627,501	177,609	188,224	105,090	52.79	28.3%	30%	-16.77%	-34.7%	-29.02%	-43.56%
	2	596,701	191,099	210,393	147,806	73.52	32.03%	35.26%	-20.72%	-33.33%	-29.02%	-29.01%
	1	599,201	190,820	217,115	153,633	76.13	31.85%	36.23%	-8.8%	-23.6%	-17.3%	-16.6%
2023-03	4	645,587	189,975	195,994	129,719	-1068.65	29.43%	30.36%	9.29%	-3.18%	-3.99%	-11.74%
	3	753,901	271,990	265,191	186,195	460.5	36.08%	35.18%	39%	49.68%	41.98%	40.81%
	2	752,629	286,617	296,393	208,200	509.71	38.08%	39.38%	48.42%	69.01%	71.63%	66.32%
	1	656,707	249,620	262,633	184,124	446.28	38.01%	39.99%	51.2%	93.8%	100.7%	92.3%
2022-03	4	590,725	196,210	204,130	146,982	353.8	33.22%	34.56%	45.32%	83.05%	82.16%	82.79%
	3	542,362	181,709	186,782	132,231	318.33	33.5%	34.44%	42.77%	80.44%	85.3%	81.1%
	2	507,102	169,585	172,691	125,179	301.32	33.44%	34.05%	44.4%	81.61%	78.02%	76.32%
	1	434,239	128,818	130,831	95,725	230.35	29.67%	30.13%	20.8%	41.7%	37.4%	38.1%
2021-03	4	406,499	107,192	112,058	80,411	193.51	26.37%	27.57%	10.01%	22.78%	27.32%	19.68%
	3	379,881	100,704	100,800	73,015	175.78	26.51%	26.53%	-1.96%	-6.93%	-10.01%	-10.75%
	2	351,187	93,380	97,005	70,994	170.8	26.59%	27.62%	-12.28%	-9.37%	-11.27%	-12.35%
	1	359,339	90,937	95,238	69,312	166.67	25.31%	26.5%	-7%	-15.4%	-12.5%	-17.5%
2020-03	4	369,514	87,306	88,011	67,191	161.59	23.63%	23.82%	-4.57%	10.4%	2.45%	0.29%
	3	387,469	108,203	112,009	81,811	196.78	27.93%	28.91%	-6.67%	-6.22%	-0.24%	-1.8%
	2	400,331	103,030	109,320	80,997	194.84	25.74%	27.31%	-1.9%	-9.49%	-7.12%	-4.82%
	1	386,211	107,502	108,902	84,028	201.96	27.84%	28.2%	0.7%	12.7%	9.5%	14%
2019-03	4	387,194	79,083	85,908	66,998	158.43	20.42%	22.19%	1.8%	-15.41%	-4.62%	-27.88%
	3	415,141	115,382	112,278	83,312	195.27	27.79%	27.05%	13.37%	32.61%	24.72%	33.07%
	2	408,068	113,835	117,694	85,097	199.47	27.9%	28.84%	13.77%	38.52%	41.5%	49.25%
	1	383,633	95,405	99,431	73,718	172.82	24.87%	25.92%	14.1%	28.7%	29.1%	37.3%
2018-03	4	380,332	93,492	90,070	92,903	217.81	24.58%	23.68%	20.67%	62.55%	57.75%	128.38%
	3	366,174	87,011	90,021	62,607	146.81	23.76%	24.58%	18.43%	47.31%	34.71%	30.99%
	2	358,684	82,177	83,177	57,015	133.7	22.91%	23.19%	14.85%	32.53%	37.77%	35.34%
	1	336,242	74,142	77,040	53,710	125.96	22.05%	22.91%	11.8%	23.5%	33.2%	18.5%
2017-03	4	315,177	57,516	57,097	40,680	95.42	18.25%	18.12%	3.71%	24.77%	15.89%	25.47%
	3	309,202	59,067	66,825	47,795	112.18	19.1%	21.61%	-6.32%	12.27%	15.78%	20.13%
	2	312,310	62,007	60,372	42,128	98.89	19.85%	19.33%	-5.87%	6.17%	4.07%	8.01%
	1	300,716	60,027	57,839	45,309	106.37	19.96%	19.23%	-4.2%	16.8%	5.1%	20.4%
2016-03	4	303,893	46,098	49,269	32,421	76.12	15.17%	16.21%	-6.79%	1.78%	8.31%	13.42%
	3	330,078	52,611	57,716	39,786	93.41	15.94%	17.49%	―	―	―	―
	2	331,793	58,406	58,012	39,003	91.58	17.6%	17.48%	―	―	―	―
	1	314,043	51,410	55,008	37,630	88.35	16.37%	17.52%	6.6%	5.7%	11%	14.3%

4063 信越化学工業 企業サイト Yahooファイナンス 日経新聞 株探 四季報

4063 信越化学工業　企業サイト　　　Yahooファイナンス　日経新聞　株探　四季報　