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 STRZ 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/STRZ"
Use Arkolith to show who owns STRZ, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | BANK OF MONTREAL /CAN/ | $20.7M | 1.8M | ▲New +1.8M sh | Q1 2026 | |
| 2 | BlackRock, Inc. | $13.5M | 1.2M | ▼−0.8% Reduced · −9K sh | Q1 2026 | |
| 3 | CastleKnight Management LP | $9.1M | 791K | ▲+104% Added · +403K sh | Q1 2026 | |
| 4 | VANGUARD GROUP INC | $8.4M | 715K | ▲+0.8% Added · +6K sh | Q4 2025 | |
| 5 | NewEdge Wealth, LLC | $7.1M | 620K | ▼−13% Reduced · −91K sh | Q1 2026 | |
| 6 | VANGUARD CAPITAL MANAGEMENT LLC | $6.5M | 568K | ▲New +568K sh | Q1 2026 | |
| 7 | Ancora Advisors LLC | $5.7M | 498K | ▲+28% Added · +110K sh | Q1 2026 | |
| 8 | Russell Investments Group, Ltd. | $4.7M | 411K | ▲+95% Added · +200K sh | Q1 2026 | |
| 9 | Neuberger Berman Group LLC | $4.3M | 373K | ▼−0.9% Reduced · −3K sh | Q1 2026 | |
| 10 | Bank of New York Mellon Corp | $3.7M | 322K | ▼−3.5% Reduced · −12K sh | Q1 2026 | |
| 11 | GEODE CAPITAL MANAGEMENT, LLC | $3.6M | 314K | ▲+4.9% Added · +15K sh | Q1 2026 | |
| 12 | Jefferies Financial Group Inc. | $3.2M | 278K | —Held | Q1 2026 | |
| 13 | STATE STREET CORP | $3.1M | 272K | ▼−2.1% Reduced · −6K sh | Q1 2026 | |
| 14 | J. Goldman & Co LP | $2.6M | 222K | ▼−13% Reduced · −34K sh | Q1 2026 | |
| 15 | GOLDMAN SACHS GROUP INC | $2.1M | 182K | ▲+39% Added · +51K sh | Q1 2026 | |
| 16 | DIMENSIONAL FUND ADVISORS LP | $1.9M | 164K | ▼~0% Reduced · −70 sh | Q1 2026 | |
| 17 | MILLENNIUM MANAGEMENT LLC | $1.6M | 139K | ▲+147% Added · +83K sh | Q1 2026 | |
| 18 | JANE STREET GROUP, LLC | $1.5M | 131K | ▲+163% Added · +81K sh | Q1 2026 | |
| 19 | PEAK6 LLC | $1.3M | 110K | ▲+594% Added · +94K sh | Q1 2026 | |
| 20 | CITADEL ADVISORS LLC | $1.2M | 107K | ▲+256% Added · +77K sh | Q1 2026 | |
| 21 | D. E. Shaw & Co., Inc. | $1.2M | 102K | ▼−17% Reduced · −21K sh | Q1 2026 | |
| 22 | MARSHALL WACE, LLP | $1.2M | 100K | ▼−25% Reduced · −33K sh | Q1 2026 | |
| 23 | BANK OF AMERICA CORP /DE/ | $1.0M | 91K | ▲+35% Added · +24K sh | Q1 2026 | |
| 24 | NORTHERN TRUST CORP | $1.0M | 91K | ▼−20% Reduced · −22K sh | Q1 2026 | |
| 25 | Alpine Global Management, LLC | $990K | 86K | ▼−42% Reduced · −63K 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 |
|---|---|---|---|---|---|
| Jun 17, 2026 | Kapenstein James M. | SEE REMARKS | Grant (A) | 11K | $0 |
| Mar 6, 2026 | MNUCHIN STEVEN T | 10% Owner | Sell (S) | 1.8M | $25.0M |
| Mar 4, 2026 | Hirsch Jeffrey | President and CEO, Director | Grant (A) | 192K | $0 |
| Jan 27, 2026 | SLOAN HARRY | Director | Grant (A) | 5K | $50K |
| Jan 27, 2026 | Gersh Lisa | Director | Grant (A) | 6K | $60K |
| Jan 27, 2026 | Sapan Joshua W | Director | Grant (A) | 3K | $32K |
| Jan 27, 2026 | Wilson Royce E. | Director | Grant (A) | 2K | $18K |
| Jan 27, 2026 | Clyburn Mignon L | Director | Grant (A) | 2K | $25K |
| Jan 27, 2026 | FINE EMILY | Director | Grant (A) | 5K | $50K |
| Jan 27, 2026 | RACHESKY MARK H MD | Director, 10% Owner | Grant (A) | 5K | $50K |
| Jan 27, 2026 | SIMMONS HARDWICK | Director | Grant (A) | 3K | $32K |
| Dec 10, 2025 | BURNS MICHAEL RAYMOND | Director | Sell (S) | 2K | $28K |
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 38 funds | $13.4B |
| META PLATFORMS INC-CLASS AMETA | 37 funds | $6.8B |
| APPLIED MATERIALS INCAMAT | 37 funds | $2.4B |
| ORACLE CORPORCL | 37 funds | $1.6B |
| CENTENE CORPCNC | 37 funds | $351.5M |
| NVIDIA CORPNVDA | 36 funds | $20.6B |
| AMAZON.COM INCAMZN | 36 funds | $10.8B |
| ALPHABET INC-CL AGOOGL | 36 funds | $8.7B |
| BROADCOM INCAVGO | 36 funds | $8.2B |
| ELI LILLY & COLLY | 36 funds | $3.7B |
| MICRON TECHNOLOGY INCMU | 36 funds | $3.5B |
| COSTCO WHOLESALE CORPCOST | 36 funds | $3.1B |
Ranked by how many of STRZ'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 STRZ. 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.