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/PKST/capital-change-brief"
Use Arkolith's capital_change_brief for PKST. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | $64.1M | 3.1M | ▼−8.6% Reduced · −290K sh | Q1 2026 | |
| 2 | VANGUARD PORTFOLIO MANAGEMENT LLC | $38.7M | 1.9M | ▲New +1.9M sh | Q1 2026 | |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | $32.1M | 1.5M | ▲New +1.5M sh | Q1 2026 | |
| 4 | FIL Ltd | $31.1M | 1.5M | ▲New +1.5M sh | Q1 2026 | |
| 5 | GEODE CAPITAL MANAGEMENT, LLC | $19.9M | 954K | ▲+1.7% Added · +16K sh | Q1 2026 | |
| 6 | BALYASNY ASSET MANAGEMENT L.P. | $17.4M | 832K | ▲New +832K sh | Q1 2026 | |
| 7 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $16.8M | 804K | ▼−13% Reduced · −125K sh | Q1 2026 | |
| 8 | STATE STREET CORP | $15.8M | 757K | ▼−2.3% Reduced · −18K sh | Q1 2026 | |
| 9 | Irenic Capital Management LP | $14.1M | 675K | ▲+100% Added · +338K sh | Q1 2026 | |
| 10 | Capula Management Ltd | $11.1M | 532K | ▲New +532K sh | Q1 2026 | |
| 11 | JPMORGAN CHASE & CO | $11.1M | 531K | ▲14× Added · +492K sh | Q1 2026 | |
| 12 | WATER ISLAND CAPITAL LLC | $10.5M | 504K | ▲New +504K sh | Q1 2026 | |
| 13 | Qube Research & Technologies Ltd | $10.1M | 484K | ▲New +484K sh | Q1 2026 | |
| 14 | TCW GROUP INC | $10.0M | 479K | ▲+1.2% Added · +6K sh | Q1 2026 | |
| 15 | MILLENNIUM MANAGEMENT LLC | $9.3M | 444K | ▲+252% Added · +317K sh | Q1 2026 | |
| 16 | GOLDMAN SACHS GROUP INC | $7.8M | 374K | ▲+156% Added · +228K sh | Q1 2026 | |
| 17 | NORTHERN TRUST CORP | $6.0M | 289K | ▲+6.8% Added · +18K sh | Q1 2026 | |
| 18 | MORGAN STANLEY | $5.8M | 275K | ▼−89% Reduced · −2.2M sh | Q1 2026 | |
| 19 | Squarepoint Ops LLC | $5.3M | 255K | ▲New +255K sh | Q1 2026 | |
| 20 | SOROS FUND MANAGEMENT LLC | $5.2M | 248K | ▲New +248K sh | Q1 2026 | |
| 21 | AQR Arbitrage LLC | $5.0M | 242K | ▲New +242K sh | Q1 2026 | |
| 22 | VANGUARD FIDUCIARY TRUST CO | $4.6M | 220K | ▲New +220K sh | Q1 2026 | |
| 23 | LPL Financial LLC | $4.4M | 210K | ▼−25% Reduced · −69K sh | Q1 2026 | |
| 24 | PRELUDE CAPITAL MANAGEMENT, LLC | $3.9M | 187K | ▲New +187K sh | Q1 2026 | |
| 25 | GABELLI FUNDS LLC | $3.3M | 158K | ▲New +158K 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 |
|---|---|---|---|---|---|
| May 6, 2026 | Tang Samuel | Director | Disposed to issuer (D) | 23K | $477K |
| May 6, 2026 | WOLD CASEY R | Director | Disposed to issuer (D) | 29K | $618K |
| May 6, 2026 | Sitzer Nina Momtazee | COO and CLO | Disposed to issuer (D) | 206K | $4.3M |
| May 6, 2026 | Mai Qiyan | Chief Accounting Officer | Disposed to issuer (D) | 13K | $269K |
| May 6, 2026 | ESCALANTE MICHAEL J | CEO and President, Director | Disposed to issuer (D) | 703K | $14.8M |
| May 6, 2026 | DeWees Carrie | Director | Disposed to issuer (D) | 18K | $371K |
| May 6, 2026 | BITAR JAVIER F | CFO | Disposed to issuer (D) | 183K | $3.8M |
| May 6, 2026 | Friedman Jeffrey Eric | Director | Disposed to issuer (D) | 15K | $323K |
| Jan 14, 2026 | Sitzer Nina Momtazee | COO and CLO | Grant (A) | 70K | $0 |
| Jan 14, 2026 | BITAR JAVIER F | CFO | Grant (A) | 53K | $0 |
| Jan 14, 2026 | ESCALANTE MICHAEL J | CEO and President, Director | Grant (A) | 185K | $0 |
| Jan 14, 2026 | Mai Qiyan | Chief Accounting Officer | Grant (A) | 11K | $0 |
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 62 funds | $20.6B |
| AMAZON.COM INCAMZN | 62 funds | $16.5B |
| META PLATFORMS INC-CLASS AMETA | 62 funds | $10.2B |
| MICRON TECHNOLOGY INCMU | 62 funds | $4.7B |
| NVIDIA CORPNVDA | 61 funds | $31.4B |
| ALPHABET INC-CL AGOOGL | 61 funds | $13.9B |
| BROADCOM INCAVGO | 61 funds | $12.0B |
| TESLA INCTSLA | 61 funds | $6.0B |
| ELI LILLY & COLLY | 61 funds | $5.2B |
| APPLIED MATERIALS INCAMAT | 61 funds | $3.0B |
| HOME DEPOT INCHD | 61 funds | $3.0B |
| ADVANCED MICRO DEVICESAMD | 61 funds | $2.5B |
Ranked by how many of PKST'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 PKST. 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.