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Research Solutions Inc
RSSS添加自選
2.310USD
-0.100-4.15%
收盤 07/02, 13:00（美東）報價延遲15分鐘
76.59M總市值
15.91本益比TTM
股東統計
更新時間: 5月10日 週日
更新時間: 5月10日 週日
持股股東
股東類型
持股股東
持股股東
佔比
Needham Investment Management L.L.C.
9.56%
Witmer (Richard H Jr)
7.93%
Punch & Associates Investment Management, Inc.
7.60%
Poplar Point Capital Management LLC
5.40%
Cove Street Capital, LLC
4.06%
其他
65.46%
持股股東
持股股東
佔比
Needham Investment Management L.L.C.
9.56%
Witmer (Richard H Jr)
7.93%
Punch & Associates Investment Management, Inc.
7.60%
Poplar Point Capital Management LLC
5.40%
Cove Street Capital, LLC
4.06%
其他
65.46%
股東類型
持股股東
佔比
Investment Advisor/Hedge Fund
20.15%
Individual Investor
17.50%
Investment Advisor
16.46%
Hedge Fund
9.97%
Research Firm
0.25%
Venture Capital
0.07%
其他
35.60%
機構持股
更新時間: 4月1日 週三
更新時間: 4月1日 週三
報告期間
機構數
持股數
持股佔比
持股變動
2026Q1
99
16.69M
50.73%
-4.55K
2025Q4
90
14.77M
44.94%
-1.27M
2025Q3
86
15.87M
48.36%
-1.65M
2025Q2
92
22.13M
68.18%
-1.22M
2025Q1
89
20.28M
62.49%
-3.38M
2024Q4
78
20.68M
63.34%
-1.03M
2024Q3
65
21.53M
66.16%
+559.90K
2024Q2
59
20.80M
64.40%
+1.22M
2024Q1
55
19.63M
60.80%
-98.24K
2023Q4
55
19.58M
60.16%
+498.76K
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股東持股明細
名稱
持股數
佔比
持股變動
變動比例
公告日期
Needham Investment Management L.L.C.
3.15M
9.56%
+45.00K
+1.45%
Dec 31, 2025
Witmer (Richard H Jr)
2.61M
7.93%
--
--
Sep 22, 2025
Punch & Associates Investment Management, Inc.
2.50M
7.6%
--
--
Dec 31, 2025
Poplar Point Capital Management LLC
1.78M
5.4%
--
--
Sep 22, 2025
Cove Street Capital, LLC
1.34M
4.06%
-1.08K
-0.08%
Sep 30, 2025
Luxor Capital Group, L.P.
651.96K
1.98%
+74.53K
+12.91%
Dec 31, 2025
Bard Associates Inc.
610.38K
1.85%
+1.62K
+0.27%
Dec 31, 2025
Olivier (Roy W)
606.83K
1.84%
-4.40K
-0.72%
Sep 22, 2025
Topline Capital Management, LLC
554.51K
1.69%
+309.58K
+126.40%
Dec 31, 2025
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持股ETF
更新時間: 12月6日 週六
更新時間: 12月6日 週六
機構名稱
佔比
iShares Micro-Cap ETF
0.02%
Dimensional US Core Equity 1 ETF
0%
DFA Dimensional US Sustainability Core 1 ETF
0%
iShares Micro-Cap ETF
佔比0.02%
Dimensional US Core Equity 1 ETF
佔比0%
DFA Dimensional US Sustainability Core 1 ETF
佔比0%