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 SPSC 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/SPSC"
Use Arkolith to show who owns SPSC, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | VANGUARD PORTFOLIO MANAGEMENT LLC | $164.7M | 3.0M | ▲New +3.0M sh | Q1 2026 | |
| 2 | STATE STREET CORP | $83.5M | 1.5M | ▲+2.1% Added · +31K sh | Q1 2026 | |
| 3 | GEODE CAPITAL MANAGEMENT, LLC | $55.6M | 998K | ▲+2.7% Added · +27K sh | Q1 2026 | |
| 4 | CITADEL ADVISORS LLC | $50.8M | 913K | ▲+247% Added · +650K sh | Q1 2026 | |
| 5 | DISCIPLINED GROWTH INVESTORS INC /MN | $45.1M | 811K | ▼−4.0% Reduced · −34K sh | Q1 2026 | |
| 6 | Walleye Capital LLC | $25.5M | 458K | ▲18× Added · +433K sh | Q1 2026 | |
| 7 | RIVERBRIDGE PARTNERS LLC | $22.7M | 407K | ▼−15% Reduced · −73K sh | Q1 2026 | |
| 8 | PUBLIC SECTOR PENSION INVESTMENT BOARD | $15.5M | 278K | ▲+1.6% Added · +4K sh | Q1 2026 | |
| 9 | Invenomic Capital Management LP | $14.7M | 264K | ▲New +264K sh | Q1 2026 | |
| 10 | VANGUARD FIDUCIARY TRUST CO | $14.6M | 262K | ▲New +262K sh | Q1 2026 | |
| 11 | VOLORIDGE INVESTMENT MANAGEMENT, LLC | $14.0M | 252K | ▼−12% Reduced · −35K sh | Q1 2026 | |
| 12 | Local Pensions Partnership Investment Ltd | $10.3M | 186K | —Held | Q1 2026 | |
| 13 | GLENMEDE TRUST CO NA | $9.4M | 169K | ▲+32% Added · +41K sh | Q1 2026 | |
| 14 | RENAISSANCE GROUP LLC | $5.3M | 95K | ▲+58% Added · +35K sh | Q1 2026 | |
| 15 | Y-Intercept (Hong Kong) Ltd | $4.9M | 89K | ▲+774% Added · +79K sh | Q1 2026 | |
| 16 | AMERICAN CAPITAL MANAGEMENT INC | $4.8M | 86K | ▼−72% Reduced · −221K sh | Q1 2026 | |
| 17 | Edgestream Partners, L.P. | $4.1M | 73K | ▲+3.8% Added · +3K sh | Q1 2026 | |
| 18 | FMR LLC | $3.8M | 68K | ▼−90% Reduced · −583K sh | Q1 2026 | |
| 19 | MONTRUSCO BOLTON INVESTMENTS INC. | $3.5M | 63K | —Held | Q1 2026 | |
| 20 | CAXTON ASSOCIATES LLP | $3.1M | 56K | ▲New +56K sh | Q1 2026 | |
| 21 | NATIXIS | $3.1M | 55K | ▲New +55K sh | Q1 2026 | |
| 22 | Man Group plc | $2.5M | 46K | ▲+147% Added · +27K sh | Q1 2026 | |
| 23 | Engineers Gate Manager LP | $2.5M | 44K | ▲New +44K sh | Q1 2026 | |
| 24 | INTECH INVESTMENT MANAGEMENT LLC | $2.3M | 41K | ▲+59% Added · +15K sh | Q1 2026 | |
| 25 | Cresset Asset Management, LLC | $1.3M | 23K | ▼−16% Reduced · −4K 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 13, 2026 | Reller Tami | Director | Option exercise (M) | 6K | $0 |
| Mar 13, 2026 | Reller Tami | Director | Option exercise (M) | 6K | $297K |
| Mar 9, 2026 | Reaume Marty M | Director | Option exercise (M) | 1K | $52K |
| Mar 9, 2026 | Reaume Marty M | Director | Sell (S) | 1K | $63K |
| Mar 9, 2026 | Reaume Marty M | Director | Option exercise (M) | 1K | $0 |
| Feb 24, 2026 | THINGELSTAD JAMIE | EVP, Chief Technology Officer | Sell (S) | 2K | $104K |
| Feb 24, 2026 | THINGELSTAD JAMIE | EVP, Chief Technology Officer | Sell (S) | 518 | $29K |
| Feb 20, 2026 | Nelson Kimberly K. | EVP & CFO | Sell (S) | 1K | $84K |
| Feb 20, 2026 | Nelson Kimberly K. | EVP & CFO | Sell (S) | 1K | $71K |
| Feb 20, 2026 | Nelson Kimberly K. | EVP & CFO | Sell (S) | 4K | $215K |
| Feb 20, 2026 | Collins Chadwick | Chief Executive Officer, Director | Sell (S) | 3K | $167K |
| Feb 20, 2026 | Collins Chadwick | Chief Executive Officer, Director | Sell (S) | 3K | $166K |
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 123 funds | $54.1B |
| APPLE INCAAPL | 119 funds | $62.5B |
| NVIDIA CORPNVDA | 118 funds | $77.2B |
| ALPHABET INC-CL AGOOGL | 118 funds | $35.7B |
| COSTCO WHOLESALE CORPCOST | 118 funds | $9.5B |
| AMAZON.COM INCAMZN | 117 funds | $43.7B |
| BROADCOM INCAVGO | 117 funds | $28.2B |
| VISA INC-CLASS A SHARESV | 117 funds | $12.0B |
| MASTERCARD INC - AMA | 117 funds | $10.1B |
| LAM RESEARCH CORPLRCX | 117 funds | $5.9B |
| META PLATFORMS INC-CLASS AMETA | 116 funds | $24.3B |
| ELI LILLY & COLLY | 115 funds | $13.8B |
Ranked by how many of SPSC'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 SPSC. 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.