48 tracked 13F filers disclose a position in RDCM as of the latest SEC 13F filings, a combined $96.8M in reported value. Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | Lynrock Lake LP | $38.5M | 3.2M | ▲+30% Added · +725K sh | Q1 2026 | |
| 2 | AWM Investment Company, Inc. | $12.1M | 991K | —Held | Q1 2026 | |
| 3 | Value Base Ltd. | $12.2M | 865K | —Held | Q2 2026 | |
| 4 | Yelin Lapidot Holdings Management Ltd. | $5.7M | 405K | —Held | Q2 2026 | |
| 5 | Private Advisor Group, LLC | $4.9M | 350K | ▼−0.1% Reduced · −548 sh | Q2 2026 | |
| 6 | HERALD INVESTMENT MANAGEMENT Ltd | $4.6M | 325K | —Held | Q2 2026 | |
| 7 | RENAISSANCE TECHNOLOGIES LLC | $2.4M | 194K | ▼−7.2% Reduced · −15K sh | Q1 2026 | |
| 8 | ARK Investment Management LLC | $2.1M | 173K | ▲+14% Added · +22K sh | Q1 2026 | |
| 9 | Russell Investments Group, Ltd. | $2.0M | 168K | ▼−1.2% Reduced · −2K sh | Q1 2026 | |
| 10 | MARSHALL WACE, LLP | $1.6M | 133K | ▼−32% Reduced · −62K sh | Q1 2026 | |
| 11 | NANO CAP NEW MILLENNIUM GROWTH FUND L P | $1.4M | 100K | ▼−2.0% Reduced · −2K sh | Q2 2026 | |
| 12 | BlackRock, Inc. | $1.1M | 91K | ▲+18% Added · +14K sh | Q1 2026 | |
| 13 | Squarepoint Ops LLC | $959K | 79K | ▲+25% Added · +16K sh | Q1 2026 | |
| 14 | MILLENNIUM MANAGEMENT LLC | $805K | 66K | ▼−18% Reduced · −14K sh | Q1 2026 | |
| 15 | Trexquant Investment LP | $720K | 59K | ▲+5.9% Added · +3K sh | Q1 2026 | |
| 16 | Robertson Stephens Wealth Management, LLC | $512K | 36K | ▲New +36K sh | Q2 2026 | |
| 17 | SEI INVESTMENTS CO | $390K | 32K | ▼−49% Reduced · −31K sh | Q1 2026 | |
| 18 | ARS Investment Partners, LLC | $430K | 30K | ▲New +30K sh | Q2 2026 | |
| 19 | TWO SIGMA INVESTMENTS, LP | $361K | 30K | ▼−69% Reduced · −67K sh | Q1 2026 | |
| 20 | Qube Research & Technologies Ltd | $342K | 28K | ▲New +28K sh | Q1 2026 | |
| 21 | NewEdge Advisors, LLC | $371K | 26K | ▼−13% Reduced · −4K sh | Q2 2026 | |
| 22 | Boston Partners | $301K | 25K | ▼−3.5% Reduced · −902 sh | Q1 2026 | |
| 23 | MORGAN STANLEY | $261K | 21K | ▼−8.3% Reduced · −2K sh | Q1 2026 | |
| 24 | State of Tennessee, Department of Treasury | $254K | 21K | —Held | Q1 2026 | |
| 25 | LAZARD ASSET MANAGEMENT LLC | $236K | 19K | ▲New +19K sh | Q1 2026 |
Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.
Last quarter, 7 funds opened a new position in RDCM and 7 added to an existing one, while 10 reduced and 0 exited entirely — based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).
| Company | Co-held by | Combined value |
|---|---|---|
| NVIDIA CORPNVDA | 24 funds | $29.3B |
| AMAZON.COM INCAMZN | 23 funds | $17.8B |
| MICROSOFT CORPMSFT | 23 funds | $16.9B |
| ALPHABET INC-CL AGOOGL | 23 funds | $11.8B |
| BROADCOM INCAVGO | 23 funds | $10.9B |
| MICRON TECHNOLOGY INCMU | 23 funds | $8.8B |
| APPLE INCAAPL | 22 funds | $22.5B |
| META PLATFORMS INC-CLASS AMETA | 22 funds | $9.7B |
| TAIWAN SEMICONDUCTOR-SP ADRTSM | 22 funds | $8.2B |
| ELI LILLY & COLLY | 22 funds | $5.4B |
| VISA INC-CLASS A SHARESV | 22 funds | $5.1B |
| ALPHABET INC-CL CGOOG | 21 funds | $9.4B |
Ranked by how many of RDCM's institutional holders also hold each name, a cross-fund conviction signal.
Connected entities for RDCM
This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/RDCM/capital-change-brief"
Use Arkolith's capital_change_brief for RDCM. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for RDCM. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.