The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
This stock page is the Follow view. The Build view lets your agent query SLSN owners, fund changes, insider filings, and source links through REST or MCP.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/SLSN"
Use Arkolith to show who owns SLSN, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | VANGUARD GROUP INC | $1.7M | 1.0M | ▲+0.5% Added · +6K sh | Q4 2025 | |
| 2 | BlackRock, Inc. | $1.0M | 1.1M | ▼−1.6% Reduced · −18K sh | Q1 2026 | |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | $770K | 812K | ▲New +812K sh | Q1 2026 | |
| 4 | GEODE CAPITAL MANAGEMENT, LLC | $428K | 452K | ▲+0.2% Added · +745 sh | Q1 2026 | |
| 5 | STATE STREET CORP | $388K | 409K | —Held | Q1 2026 | |
| 6 | MORGAN STANLEY | $185K | 195K | ▲+452% Added · +159K sh | Q1 2026 | |
| 7 | NORTHERN TRUST CORP | $130K | 138K | ▲+15% Added · +18K sh | Q1 2026 | |
| 8 | VANGUARD FIDUCIARY TRUST CO | $117K | 123K | ▲New +123K sh | Q1 2026 | |
| 9 | VANGUARD PORTFOLIO MANAGEMENT LLC | $107K | 112K | ▲New +112K sh | Q1 2026 | |
| 10 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $45K | 47K | —Held | Q1 2026 | |
| 11 | Bank of New York Mellon Corp | $42K | 44K | —Held | Q1 2026 | |
| 12 | ZACKS INVESTMENT MANAGEMENT | $36K | 38K | —Held | Q1 2026 | |
| 13 | WEALTH ENHANCEMENT ADVISORY SERVICES, LLC | $31K | 22K | ▲+1.2% Added · +257 sh | Q1 2026 | |
| 14 | GOLDMAN SACHS GROUP INC | $26K | 28K | ▲+48% Added · +9K sh | Q1 2026 | |
| 15 | DEUTSCHE BANK AG\ | $23K | 25K | —Held | Q1 2026 | |
| 16 | Nuveen, LLC | $23K | 24K | —Held | Q1 2026 | |
| 17 | BARCLAYS PLC | $22K | 24K | ▼−52% Reduced · −25K sh | Q1 2026 | |
| 18 | NEW YORK STATE COMMON RETIREMENT FUND | $21K | 22K | —Held | Q1 2026 | |
| 19 | Pathstone Holdings, LLC | $19K | 20K | —Held | Q1 2026 | |
| 20 | BANK OF AMERICA CORP /DE/ | $14K | 15K | ▲+26% Added · +3K sh | Q1 2026 | |
| 21 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $13K | 14K | ▲New +14K sh | Q1 2026 | |
| 22 | RHUMBLINE ADVISERS | $12K | 13K | ▼−24% Reduced · −4K sh | Q1 2026 | |
| 23 | UBS Group AG | $12K | 13K | ▼−22% Reduced · −4K sh | Q1 2026 | |
| 24 | Tower Research Capital LLC (TRC) | $11K | 12K | ▲+103% Added · +6K sh | Q1 2026 | |
| 25 | MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | $9K | 9K | ▲+2.2% Added · +204 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.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Dec 24, 2025 | WHITMORE R JANET | Director | Buy (P) | 1K | $2K |
| Dec 24, 2025 | WHITMORE R JANET | Director | Buy (P) | 2K | $3K |
| Nov 19, 2025 | WHITMORE R JANET | Director | Buy (P) | 5K | $10K |
| Nov 19, 2025 | WHITMORE R JANET | Director | Buy (P) | 5K | $9K |
| Nov 18, 2025 | WHITMORE R JANET | Director | Buy (P) | 267 | $489 |
| Nov 17, 2025 | WHITMORE R JANET | Director | Buy (P) | 5K | $9K |
| Nov 14, 2025 | WHITMORE R JANET | Director | Buy (P) | 20K | $34K |
| May 29, 2025 | WHITMORE BRADFORD T | 10% Owner | Sell (S) | 4.2M | $17.6M |
| May 29, 2025 | WHITMORE BRADFORD T | 10% Owner | Sell (S) | 2.5M | $10.5M |
| May 29, 2025 | WHITMORE BRADFORD T | 10% Owner | Buy (P) | 4.2M | $17.6M |
| May 29, 2025 | WHITMORE BRADFORD T | 10% Owner | Buy (P) | 2.5M | $10.5M |
| Company | Co-held by | Combined value |
|---|---|---|
| NVIDIA CORPNVDA | 12 funds | $6.4B |
| APPLE INCAAPL | 12 funds | $4.9B |
| MICROSOFT CORPMSFT | 12 funds | $4.5B |
| AMAZON.COM INCAMZN | 12 funds | $4.0B |
| ALPHABET INC-CL AGOOGL | 12 funds | $3.1B |
| META PLATFORMS INC-CLASS AMETA | 12 funds | $2.2B |
| BROADCOM INCAVGO | 12 funds | $2.2B |
| JPMORGAN CHASE & COJPM | 12 funds | $2.1B |
| ALPHABET INC-CL CGOOG | 12 funds | $2.0B |
| BERKSHIRE HATHAWAY INC-CL BBRK/B | 12 funds | $1.9B |
| MICRON TECHNOLOGY INCMU | 12 funds | $1.9B |
| TESLA INCTSLA | 12 funds | $1.7B |
Ranked by how many of SLSN's institutional holders also hold each name, a cross-fund conviction signal. Via the MCP server (ticker.co_held).
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for SLSN. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes. Every panel above is one call to the Arkolith API & MCP server.