Research Solutions, Inc.
Research Solutions, Inc.（RSSS）股东结构
基于 13F 申报与流通股数据，展示机构、内部人与公众持股结构；下方为前十大机构、机构动向与内部人交易。
SEC 13F · FMP · RSSS · 截至 2025年3月31日
股东结构概览
46
机构持有人数
$34.51M
机构持仓总市值
▼ $22.10M vs Q4
33.45M
总流通股
freeFloat 76.65%
13.27M
13F 申报持股数
▼ 369,646 vs Q4
机构持仓% = 13F 持股数 ÷ 总流通股。内部人% = 100 − 自由流通率。散户% = 自由流通率 − 机构%。数据来源：FMP /symbol-positions-summary + /shares-float + SEC EDGAR。
前10大机构持仓
RSSS 最大股东 · 机构持仓
Q1 2025 · SEC 13F
显示前 10 家
| 机构 | 持股数 | 占比 | 权重 | 市值 | 申报日 | 变动 |
|---|---|---|---|---|---|---|
NEEDHAM INVESTMENT MANAGEMENT LLC services-business services, nec | 2.93M | 9.44% | 9.44% | $7.62B | May 15, 2025 | ▲ 50.0K |
PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC. services-business services, nec | 2.37M | 7.63% | 7.63% | $6.16B | May 15, 2025 | ▲ 37.7K |
COVE STREET CAPITAL, LLC services-business services, nec | 1.35M | 4.34% | 4.34% | $3.50B | May 15, 2025 | ▼ 419.3K |
VANGUARD GROUP INC services-business services, nec | 1.19M | 3.85% | 3.85% | $3.10B | May 9, 2025 | — held |
BARD ASSOCIATES INC services-business services, nec | 652.4K | 2.10% | 2.10% | $1.70B | May 12, 2025 | ▲ 3.1K |
ESSEX INVESTMENT MANAGEMENT CO LLC services-business services, nec | 591.8K | 1.91% | 1.91% | $1.54B | May 7, 2025 | ▼ 3.9K |
LUXOR CAPITAL GROUP, LP services-business services, nec | 577.4K | 1.86% | 1.86% | $1.50B | May 15, 2025 | ▲ 78.1K |
PARTHENON LLC services-business services, nec | 392.3K | 1.26% | 1.26% | $1.02B | May 2, 2025 | — held |
LPL FINANCIAL LLC services-business services, nec | 360.6K | 1.16% | 1.16% | $937.45M | May 7, 2025 | ▲ 8.8K |
PERRITT CAPITAL MANAGEMENT INC services-business services, nec | 359.4K | 1.16% | 1.16% | $934.49M | May 13, 2025 | ▼ 17.5K |
数据来源：SEC 13F 申报文件。变动标识：isNew / isSoldOut / changeInSharesNumber。
机构仓位变动
Q1 2025 对比上季度
Q1 2025
18
增持
+446.1K 股6
新建仓
首次建仓14
减持
−799.3K 股4
清仓
完全退出净股数变化（前50家）
353.2K
+446.1K / −799.3K
净新增持仓人
+6
新建 6 个 / 退出 4 个
基于前50家最大机构持仓统计，全市场实际数量可能不同。
内幕交易买卖情绪
RSSS 内幕交易记录
数据来源：SEC Form 4
2
买入笔数
0
卖出笔数
0.00
买卖比
$0M
卖出总金额
最近内幕交易记录
最近10条 · 仅普通股
| 姓名 · 职位 | 日期 | 类型 | 股数 | 价格 | 金额 | 交易后持股 | 申报 |
|---|---|---|---|---|---|---|---|
Cohen Sefton Chief Revenue Officer | Mar 18, 2026 | Award | 80,000 | $2.29 | $183.2K | 359.9K | Form 4 ↗ |
Kutil David CFO & Secretary | Dec 10, 2025 | Award | 30,000 | $3.00 | $90.0K | 30.0K | Form 4 ↗ |
Kutil David CFO & Secretary | Dec 19, 2025 | Tax Withhold | 758 | $2.89 | $2.2K | 29.2K | Form 4 ↗ |
Gayron Kenneth L director | Nov 12, 2025 | Award | 50,000 | $3.07 | $153.5K | 50.0K | Form 4 ↗ |
MCPEAK MERRILL A director | Nov 12, 2025 | Award | 50,000 | $3.07 | $153.5K | 50.0K | Form 4 ↗ |
Regazzi John J director | Nov 12, 2025 | Award | 60,000 | $3.07 | $184.2K | 60.0K | Form 4 ↗ |
Murphy Jeremy director | Nov 12, 2025 | Award | 50,000 | $3.07 | $153.5K | 50.0K | Form 4 ↗ |
Cooperman Barbara J. director | Nov 12, 2025 | Award | 50,000 | $3.07 | $153.5K | 50.0K | Form 4 ↗ |
NURTHEN WILLIAM CFO & Secretary | Sep 19, 2025 | Tax Withhold | 2,225 | $3.66 | $8.1K | 378.4K | Form 4 ↗ |
OLIVIER ROY W CEO & President | Sep 19, 2025 | Tax Withhold | 1,428 | $3.66 | $5.2K | 606.8K | Form 4 ↗ |
数据来源：SEC Form 4。买卖方向：acquisitionOrDisposition A=买入，D=卖出。已排除 RSU 归属（M-Exempt）。
关于机构与内部人持股结构
Research Solutions, Inc.（RSSS）主要由机构投资者持有，机构持股比例约为 39.7%。公司内部人员持股约 23.35%，散户及公众持股约占剩余的 36.97%。
Research Solutions, Inc. 最大机构股东为 NEEDHAM INVESTMENT MANAGEMENT LLC，截至 March 31, 2025 持有约 2.93 million 股，占总流通股的 9.44%。
目前共有 46 家机构持有 RSSS 股票，合计持仓市值约 $34,510,510，数据来源为最新 SEC 13F 申报。
常见问题
RSSS ownershipResearch Solutions, Inc.（RSSS）主要由机构投资者持有，机构持股约 39.7%。最大股东为 NEEDHAM INVESTMENT MANAGEMENT LLC，持股比例 9.44%。内部人员持股约 23.35%。数据来源 SEC Form 13F，截至 March 31, 2025。