Castellum, Inc.
Castellum, Inc.（CTM）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 · CTM · 截至 2025年9月30日
股东结构概览
42
机构持有人数
▲ 9 vs Q2
$9.27M
机构持仓总市值
▲ $1.97M vs Q2
94.70M
总流通股
freeFloat 78.59%
8.51M
13F 申报持股数
▲ 1.55M vs Q2
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
CTM 最大股东 · 机构持仓
Q3 2025 · SEC 13F
显示前 10 家
| 机构 | 持股数 | 占比 | 权重 | 市值 | 申报日 | 变动 |
|---|---|---|---|---|---|---|
ESSEX INVESTMENT MANAGEMENT CO LLC services-management consulting services | 2.15M | 2.47% | 2.47% | $2.35B | Nov 6, 2025 | ▲ 63.1K |
VANGUARD GROUP INC services-management consulting services | 1.28M | 1.47% | 1.47% | $1.39B | Nov 7, 2025 | ▲ 225.9K |
GEODE CAPITAL MANAGEMENT, LLC services-management consulting services | 723.5K | 83.03% | 83.03% | $788.89M | Nov 12, 2025 | ▲ 124.3K |
MERIDIAN WEALTH MANAGEMENT, LLC services-management consulting services | 684.6K | 78.56% | 78.56% | $746.21M | Nov 4, 2025 | ▲ 67.8K |
LEGATO CAPITAL MANAGEMENT LLC services-management consulting services | 621.4K | 71.31% | 71.31% | $677.34M | Nov 12, 2025 | — held |
GOLDMAN SACHS GROUP INC services-management consulting services | 368.6K | 42.30% | 42.30% | $401.81M | Nov 14, 2025 | NEW |
BANK OF NEW YORK MELLON CORP services-management consulting services | 350.0K | 40.16% | 40.16% | $381.50M | Nov 3, 2025 | ▼ 150.0K |
JANE STREET GROUP, LLC services-management consulting services | 335.7K | 38.52% | 38.52% | $365.92M | Nov 14, 2025 | ▲ 141.0K |
STATE STREET CORP services-management consulting services | 303.9K | 34.87% | 34.87% | $331.25M | Nov 14, 2025 | ▲ 147.9K |
BLACKROCK, INC. services-management consulting services | 265.5K | 30.47% | 30.47% | $289.38M | Nov 12, 2025 | ▲ 138.1K |
数据来源：SEC 13F 申报文件。变动标识：isNew / isSoldOut / changeInSharesNumber。
机构仓位变动
Q3 2025 对比上季度
Q3 2025
18
增持
+1.22M 股12
新建仓
首次建仓4
减持
−220.6K 股5
清仓
完全退出净股数变化（前50家）
+1.00M
+1.22M / −220.6K
净新增持仓人
+21
新建 12 个 / 退出 5 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
CTM 内幕交易记录
数据来源：SEC Form 4
近期内部人员以卖出为主。 卖出可能源于预定的 10b5-1 计划，不代表负面展望。
0
买入笔数
1
卖出笔数
0.00
买卖比
$2M
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 |
|---|---|---|---|---|---|---|---|
MARTIN TAMMY L General Counsel and Secretary | Mar 31, 2026 | Award | 1,329 | $0.45 | $603.898 | 13.8K | Form 4 ↗ |
Bell David T Chief Financial Officer | Mar 31, 2026 | Award | 1,329 | $0.45 | $603.898 | 16.1K | Form 4 ↗ |
Merriman Andrew Chief Operating Officer | Mar 31, 2026 | Award | 1,329 | $0.45 | $603.898 | 537.3K | Form 4 ↗ |
McMillen Charles Thomas director | Mar 25, 2026 | Sale | 30,000 | $0.70 | $21.1K | 231.0K | Form 4 ↗ |
Ives Glen R President | Mar 27, 2026 | Purchase | 2,000 | $0.62 | $1.2K | 199.6K | Form 4 ↗ |
Merriman Andrew Chief Operating Officer | Mar 27, 2026 | Purchase | 2,000 | $0.64 | $1.3K | 536.0K | Form 4 ↗ |
Ives Glen R President | Mar 26, 2026 | Purchase | 10,000 | $0.66 | $6.6K | 197.6K | Form 4 ↗ |
McMillen Charles Thomas director | Mar 18, 2026 | Sale | 55,000 | $0.80 | $44.1K | 261.0K | Form 4 ↗ |
Merriman Andrew Chief Operating Officer | Mar 18, 2026 | Purchase | 3,000 | $0.80 | $2.4K | 534.0K | Form 4 ↗ |
WRIGHT JAY O General Counsel, Secretary | Dec 19, 2025 | Sale | 30,000 | $1.05 | $31.5K | 7.13M | 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
Castellum, Inc.（CTM）主要由机构投资者持有，机构持股比例约为 9.0%。公司内部人员持股约 21.41%，散户及公众持股约占剩余的 69.61%。
Castellum, Inc. 最大机构股东为 ESSEX INVESTMENT MANAGEMENT CO LLC，截至 September 30, 2025 持有约 2.15 million 股，占总流通股的 2.47%。
目前共有 42 家机构持有 CTM 股票，合计持仓市值约 $9,270,435，数据来源为最新 SEC 13F 申报。
常见问题
CTM ownershipCastellum, Inc.（CTM）主要由机构投资者持有，机构持股约 9.0%。最大股东为 ESSEX INVESTMENT MANAGEMENT CO LLC，持股比例 2.47%。内部人员持股约 21.41%。数据来源 SEC Form 13F，截至 September 30, 2025。