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 SERA 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/SERA"
Use Arkolith to show who owns SERA, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | BAKER BROS. ADVISORS LP | $11.2M | 5.5M | —Held | Q1 2026 | |
| 2 | VANGUARD GROUP INC | $3.7M | 1.2M | ▲+1.8% Added · +22K sh | Q4 2025 | |
| 3 | GEODE CAPITAL MANAGEMENT, LLC | $739K | 364K | ▲+8.7% Added · +29K sh | Q1 2026 | |
| 4 | CITADEL ADVISORS LLC | $505K | 249K | ▼−65% Reduced · −459K sh | Q1 2026 | |
| 5 | BlackRock, Inc. | $398K | 196K | ▲+5.0% Added · +9K sh | Q1 2026 | |
| 6 | VANGUARD FIDUCIARY TRUST CO | $344K | 170K | ▲New +170K sh | Q1 2026 | |
| 7 | STATE STREET CORP | $253K | 125K | —Held | Q1 2026 | |
| 8 | Perigon Wealth Management, LLC | $148K | 73K | —Held | Q1 2026 | |
| 9 | Ballentine Partners, LLC | $101K | 50K | —Held | Q1 2026 | |
| 10 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | $93K | 46K | —Held | Q1 2026 | |
| 11 | Birch Hill Investment Advisors LLC | $55K | 27K | —Held | Q1 2026 | |
| 12 | Arkadios Wealth Advisors | $25K | 12K | ▲New +12K sh | Q1 2026 | |
| 13 | Geneos Wealth Management Inc. | $22K | 11K | ▲+38% Added · +3K sh | Q1 2026 | |
| 14 | WEALTH ENHANCEMENT ADVISORY SERVICES, LLC | $21K | 11K | ▼−0.8% Reduced · −81 sh | Q1 2026 | |
| 15 | FMR LLC | $13K | 7K | ▼−56% Reduced · −8K sh | Q1 2026 | |
| 16 | CWM, LLC | $2K | 1K | ▼−0.3% Reduced · −3 sh | Q1 2026 | |
| 17 | NISA INVESTMENT ADVISORS, LLC | $262 | 129 | —Held | Q1 2026 | |
| 18 | SBI Securities Co., Ltd. | $14 | 7 | —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 |
|---|---|---|---|---|---|
| Jun 11, 2026 | Jackson Benjamin | General Counsel | Sell (S) | 2K | $4K |
| Jun 11, 2026 | Inglis Tiffany Eul Davis | Chief Medical Officer | Sell (S) | 362 | $728 |
| Jun 11, 2026 | Anderson Dyaarl Lee Jr. | Chief Commercial Officer | Sell (S) | 5K | $10K |
| Jun 11, 2026 | Lindgardt Zhenya | Chief Executive Officer, Director | Sell (S) | 7K | $14K |
| Jun 11, 2026 | Aerts Austin | Chief Financial Officer | Sell (S) | 2K | $4K |
| Jun 9, 2026 | Aerts Austin | Chief Financial Officer | Sell (S) | 5K | $11K |
| Mar 12, 2026 | Inglis Tiffany Eul Davis | Chief Medical Officer | Grant (A) | 27K | $0 |
| Mar 12, 2026 | Jackson Benjamin | General Counsel | Grant (A) | 44K | $0 |
| Mar 12, 2026 | Jackson Benjamin | General Counsel | Grant (A) | 69K | $0 |
| Mar 12, 2026 | Lindgardt Zhenya | Chief Executive Officer, Director | Grant (A) | 154K | $0 |
| Mar 12, 2026 | Lindgardt Zhenya | Chief Executive Officer, Director | Grant (A) | 239K | $0 |
| Mar 12, 2026 | Aerts Austin | Chief Financial Officer | Grant (A) | 44K | $0 |
| Company | Co-held by | Combined value |
|---|---|---|
| NVIDIA CORPNVDA | 13 funds | $8.3B |
| AMAZON.COM INCAMZN | 13 funds | $4.9B |
| MICROSOFT CORPMSFT | 13 funds | $4.3B |
| ALPHABET INC-CL AGOOGL | 13 funds | $3.0B |
| BROADCOM INCAVGO | 13 funds | $2.7B |
| META PLATFORMS INC-CLASS AMETA | 13 funds | $2.5B |
| ALPHABET INC-CL CGOOG | 13 funds | $2.0B |
| HOME DEPOT INCHD | 13 funds | $1.4B |
| COSTCO WHOLESALE CORPCOST | 13 funds | $1.2B |
| EXXON MOBIL CORPXOM | 13 funds | $1.2B |
| MERCK & CO. INC.MRK | 13 funds | $1.0B |
| CHEVRON CORPCVX | 13 funds | $1.0B |
Ranked by how many of SERA'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 SERA. 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.