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 TSI 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/TSI"
Use Arkolith to show who owns TSI, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | 1607 Capital Partners, LLC | $11.7M | 2.6M | ▲+33% Added · +652K sh | Q1 2026 | |
| 2 | Focus Partners Wealth | $10.9M | 2.4M | ▲+66% Added · +966K sh | Q1 2026 | |
| 3 | TCW GROUP INC | $6.3M | 1.4M | ▲New +1.4M sh | Q1 2026 | |
| 4 | MORGAN STANLEY | $6.1M | 1.4M | ▲+3.8% Added · +49K sh | Q1 2026 | |
| 5 | RAYMOND JAMES FINANCIAL INC | $5.2M | 1.2M | ▲+17% Added · +163K sh | Q1 2026 | |
| 6 | AMERIPRISE FINANCIAL INC | $3.6M | 791K | ▼−2.6% Reduced · −21K sh | Q1 2026 | |
| 7 | NATIONAL BANK OF CANADA /FI/ | $1.8M | 395K | ▲+9.4% Added · +34K sh | Q1 2026 | |
| 8 | RIVERBRIDGE PARTNERS LLC | $1.3M | 290K | ▲+39% Added · +81K sh | Q1 2026 | |
| 9 | WELLS FARGO & COMPANY/MN | $927K | 206K | ▼−2.5% Reduced · −5K sh | Q1 2026 | |
| 10 | UBS Group AG | $720K | 160K | ▼−2.7% Reduced · −4K sh | Q1 2026 | |
| 11 | Quantinno Capital Management LP | $664K | 148K | ▲New +148K sh | Q1 2026 | |
| 12 | HighTower Advisors, LLC | $420K | 93K | ▲+44% Added · +28K sh | Q1 2026 | |
| 13 | BALYASNY ASSET MANAGEMENT L.P. | $410K | 91K | ▲New +91K sh | Q1 2026 | |
| 14 | OSAIC HOLDINGS, INC. | $339K | 76K | ▼−21% Reduced · −20K sh | Q1 2026 | |
| 15 | Integrated Wealth Concepts LLC | $190K | 42K | ▼−46% Reduced · −35K sh | Q1 2026 | |
| 16 | Sigma Planning Corp | $188K | 42K | —Held | Q1 2026 | |
| 17 | CARY STREET PARTNERS FINANCIAL LLC | $182K | 41K | ▼−4.7% Reduced · −2K sh | Q1 2026 | |
| 18 | MML INVESTORS SERVICES, LLC | $158K | 35K | ▲+4.1% Added · +1K sh | Q1 2026 | |
| 19 | LPL Financial LLC | $154K | 34K | ▲+4.6% Added · +2K sh | Q1 2026 | |
| 20 | Sowell Financial Services LLC | $149K | 33K | —Held | Q1 2026 | |
| 21 | Allworth Financial LP | $110K | 25K | —Held | Q1 2026 | |
| 22 | PNC FINANCIAL SERVICES GROUP, INC. | $107K | 24K | ▼−5.7% Reduced · −1K sh | Q1 2026 | |
| 23 | CITADEL ADVISORS LLC | $106K | 24K | ▲New +24K sh | Q1 2026 | |
| 24 | MERCER GLOBAL ADVISORS INC /ADV | $105K | 23K | —Held | Q1 2026 | |
| 25 | Beacon Pointe Advisors, LLC | $97K | 22K | ▲New +22K 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 |
|---|---|---|---|---|---|
| Mar 27, 2026 | ROONEY ROBERT GERALD | Director | Option exercise (X) | 20K | — |
| Mar 27, 2026 | McMillan Peter | Director | Option exercise (X) | 194K | $866K |
| Mar 27, 2026 | McMillan Peter | Director | Option exercise (X) | 308K | — |
| Mar 27, 2026 | ROGERS VICTORIA B | Director | Option exercise (X) | 16K | — |
| Mar 27, 2026 | ROGERS VICTORIA B | Director | Option exercise (X) | 5K | $24K |
| Mar 27, 2026 | HADEN PATRICK C | Director | Option exercise (X) | 21K | $96K |
| Mar 27, 2026 | HADEN PATRICK C | Director | Option exercise (X) | 64K | — |
| Feb 20, 2026 | McMillan Peter | Director | Buy (P) | 50K | $232K |
| Feb 18, 2026 | McMillan Peter | Director | Buy (P) | 33K | $153K |
| Feb 13, 2026 | McMillan Peter | Director | Buy (P) | 17K | $82K |
| Feb 12, 2026 | McMillan Peter | Director | Buy (P) | 180K | $849K |
| Feb 11, 2026 | McMillan Peter | Director | Buy (P) | 10K | $50K |
| Company | Co-held by | Combined value |
|---|---|---|
| NVIDIA CORPNVDA | 19 funds | $9.1B |
| ISHARES CORE S&P 500 ETFIVV | 19 funds | $7.4B |
| MICROSOFT CORPMSFT | 19 funds | $5.9B |
| ALPHABET INC-CL AGOOGL | 19 funds | $3.8B |
| ALPHABET INC-CL CGOOG | 19 funds | $3.1B |
| SS SPDR S&P 500 ETF TRUST-USSPY | 19 funds | $2.8B |
| TESLA INCTSLA | 19 funds | $1.7B |
| COSTCO WHOLESALE CORPCOST | 19 funds | $1.6B |
| JOHNSON & JOHNSONJNJ | 19 funds | $1.4B |
| WALMART INCWMT | 19 funds | $1.2B |
| VISA INC-CLASS A SHARESV | 19 funds | $1.2B |
| PROCTER & GAMBLE CO/THEPG | 19 funds | $939.7M |
Ranked by how many of TSI'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 TSI. 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.