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 PDSB 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/PDSB"
Use Arkolith to show who owns PDSB, 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 | $1.5M | 2.0M | ▲+2.6% Added · +50K sh | Q4 2025 | |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | $987K | 1.6M | ▲New +1.6M sh | Q1 2026 | |
| 3 | GEODE CAPITAL MANAGEMENT, LLC | $399K | 660K | ▲+27% Added · +140K sh | Q1 2026 | |
| 4 | BlackRock, Inc. | $335K | 554K | ▲+6.1% Added · +32K sh | Q1 2026 | |
| 5 | VANGUARD FIDUCIARY TRUST CO | $186K | 307K | ▲New +307K sh | Q1 2026 | |
| 6 | BLAIR WILLIAM & CO/IL | $182K | 300K | ▲+20% Added · +50K sh | Q1 2026 | |
| 7 | RENAISSANCE TECHNOLOGIES LLC | $134K | 221K | ▲+25% Added · +44K sh | Q1 2026 | |
| 8 | ARMISTICE CAPITAL, LLC | $105K | 174K | ▼−94% Reduced · −2.7M sh | Q1 2026 | |
| 9 | STATE STREET CORP | $81K | 133K | —Held | Q1 2026 | |
| 10 | WELLS FARGO & COMPANY/MN | $67K | 111K | ▲21× Added · +105K sh | Q1 2026 | |
| 11 | NORTHERN TRUST CORP | $66K | 109K | ▼−24% Reduced · −35K sh | Q1 2026 | |
| 12 | COMMONWEALTH EQUITY SERVICES, LLC | $55K | 91K | ▼−54% Reduced · −106K sh | Q1 2026 | |
| 13 | Bank of New York Mellon Corp | $42K | 69K | —Held | Q1 2026 | |
| 14 | UBS Group AG | $34K | 56K | ▼−78% Reduced · −196K sh | Q1 2026 | |
| 15 | XTX Topco Ltd | $22K | 36K | ▲+5.8% Added · +2K sh | Q1 2026 | |
| 16 | Rockefeller Capital Management L.P. | $17K | 28K | ▲+7.8% Added · +2K sh | Q1 2026 | |
| 17 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $13K | 22K | ▼−43% Reduced · −17K sh | Q1 2026 | |
| 18 | Federation des caisses Desjardins du Quebec | $9K | 15K | —Held | Q1 2026 | |
| 19 | UNITED CAPITAL FINANCIAL ADVISORS, LLC | $7K | 12K | ▲New +12K sh | Q1 2026 | |
| 20 | RAYMOND JAMES FINANCIAL INC | $6K | 10K | ▼−25% Reduced · −4K sh | Q1 2026 | |
| 21 | DAVENPORT & Co LLC | $6K | 10K | —Held | Q1 2026 | |
| 22 | GRANDFIELD & DODD, LLC | $6K | 10K | —Held | Q1 2026 | |
| 23 | MORGAN STANLEY | $2K | 4K | ▼−20% Reduced · −1K sh | Q1 2026 | |
| 24 | GROUP ONE TRADING LLC | $2K | 4K | ▼−9.1% Reduced · −355 sh | Q1 2026 | |
| 25 | CREATIVE FINANCIAL DESIGNS INC /ADV | $2K | 3K | —Held | 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 |
|---|---|---|---|---|---|
| Jan 12, 2026 | BRAWLEY OTIS W | Director | Grant (A) | 55K | $0 |
| Jan 12, 2026 | Ali-Jackson Kamil | Director | Grant (A) | 55K | $0 |
| Jan 12, 2026 | Glover Stephen C. | Director | Grant (A) | 55K | $0 |
| Jan 12, 2026 | Iliev Ilian | Director | Grant (A) | 55K | $0 |
| Jan 12, 2026 | Freitag Gregory Gene | Director | Grant (A) | 55K | $0 |
| Jan 12, 2026 | Toutain Stephan | Chief Operating Officer | Grant (A) | 300K | $0 |
| Jan 12, 2026 | Brown Spencer D. | Senior VP, General Counsel | Grant (A) | 300K | $0 |
| Jan 12, 2026 | Boesgaard Lars | Chief Financial Officer | Grant (A) | 300K | $0 |
| Jan 12, 2026 | Shepard Kirk V. | Chief Medical Officer | Grant (A) | 300K | $0 |
| Jan 12, 2026 | CONN GREGORY | Chief Scientific Officer | Grant (A) | 150K | $0 |
| Jan 12, 2026 | BEDU-ADDO FRANK | President/CEO, Director | Grant (A) | 549K | $0 |
| Jun 12, 2025 | BEDU-ADDO FRANK | President/CEO, Director | Grant (A) | 150K | $0 |
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 12 funds | $4.9B |
| AMAZON.COM INCAMZN | 12 funds | $3.8B |
| ALPHABET INC-CL AGOOGL | 12 funds | $3.2B |
| BROADCOM INCAVGO | 12 funds | $2.2B |
| JPMORGAN CHASE & COJPM | 12 funds | $2.1B |
| META PLATFORMS INC-CLASS AMETA | 12 funds | $1.6B |
| VISA INC-CLASS A SHARESV | 12 funds | $1.5B |
| BERKSHIRE HATHAWAY INC-CL BBRK/B | 12 funds | $1.3B |
| COSTCO WHOLESALE CORPCOST | 12 funds | $1.3B |
| MASTERCARD INC - AMA | 12 funds | $1.2B |
| ELI LILLY & COLLY | 12 funds | $1.2B |
| JOHNSON & JOHNSONJNJ | 12 funds | $992.4M |
Ranked by how many of PDSB'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 PDSB. 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.