375 tracked 13F filers disclose a position in SEI as of the latest SEC 13F filings, a combined $3.7B in reported value. 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.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | $233.0M | 4.1M | ▼−4.4% Reduced · −190K sh | Q1 2026 | |
| 2 | MILLENNIUM MANAGEMENT LLC | $129.2M | 2.3M | ▲+24% Added · +440K sh | Q1 2026 | |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | $115.3M | 2.0M | →First observed position No prior filed position | Q1 2026 | |
| 4 | VAN ECK ASSOCIATES CORP | Withheld | 2.0M | ▲+57% Added · +713K sh | Q1 2026 | |
| 5 | TWO SIGMA INVESTMENTS, LP | $109.7M | 1.9M | ▲+80% Added · +862K sh | Q1 2026 | |
| 6 | FMR LLC | $105.3M | 1.9M | ▼−19% Reduced · −427K sh | Q1 2026 | |
| 7 | Encompass Capital Advisors LLC | $98.9M | 1.8M | ▼−32% Reduced · −810K sh | Q1 2026 | |
| 8 | MORGAN STANLEY | $96.5M | 1.7M | ▼−18% Reduced · −384K sh | Q1 2026 | |
| 9 | SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC | $136.2M | 1.7M | ▼−2.1% Reduced · −36K sh | Q2 2026 | |
| 10 | JANE STREET GROUP, LLC | $88.6M | 1.6M | ▼−4.4% Reduced · −73K sh | Q1 2026 | |
| 11 | STATE STREET CORP | $119.7M | 1.5M | ▲+9.7% Added · +132K sh | Q2 2026 | |
| 12 | MARSHALL WACE, LLP | $83.1M | 1.5M | ▲+75% Added · +632K sh | Q1 2026 | |
| 13 | GEODE CAPITAL MANAGEMENT, LLC | $108.8M | 1.4M | ▲+23% Added · +251K sh | Q2 2026 | |
| 14 | ADVENT INTERNATIONAL, L.P. | $70.1M | 1.2M | ▼−1.8% Reduced · −22K sh | Q1 2026 | |
| 15 | JENNISON ASSOCIATES LLC | $66.7M | 1.2M | ▲+215% Added · +805K sh | Q1 2026 | |
| 16 | PRINCIPAL FINANCIAL GROUP INC | $64.7M | 1.1M | ▼−22% Reduced · −322K sh | Q1 2026 | |
| 17 | GOLDMAN SACHS GROUP INC | $64.1M | 1.1M | ▼−40% Reduced · −749K sh | Q1 2026 | |
| 18 | Valiant Capital Management, L.P. | $63.3M | 1.1M | ▲+52% Added · +385K sh | Q1 2026 | |
| 19 | Situational Awareness LP | $62.5M | 1.1M | ▼−41% Reduced · −761K sh | Q1 2026 | |
| 20 | Situational Awareness Partners LP | $62.5M | 1.1M | ▲New +1.1M sh | Q1 2026 | |
| 21 | Value Aligned Research Advisors, LLC | $50.7M | 897K | ▼−8.1% Reduced · −79K sh | Q1 2026 | |
| 22 | DIMENSIONAL FUND ADVISORS LP | $49.2M | 871K | ▲+20% Added · +143K sh | Q1 2026 | |
| 23 | Qube Research & Technologies Ltd | $44.8M | 793K | ▼−31% Reduced · −362K sh | Q1 2026 | |
| 24 | VOYA INVESTMENT MANAGEMENT LLC | $44.7M | 791K | ▲+66% Added · +314K sh | Q1 2026 | |
| 25 | AMERIPRISE FINANCIAL INC | $41.0M | 725K | ▲+584% Added · +619K 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.
Last quarter, 5 funds opened a new position in SEI and 29 added to an existing one, while 34 reduced and 0 exited entirely — based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).
| Company | Co-held by | Combined value |
|---|---|---|
| NVIDIA CORPNVDA | 203 funds | $337.4B |
| AMAZON.COM INCAMZN | 203 funds | $172.6B |
| MICROSOFT CORPMSFT | 196 funds | $224.4B |
| BROADCOM INCAVGO | 195 funds | $135.5B |
| ALPHABET INC-CL AGOOGL | 194 funds | $135.2B |
| META PLATFORMS INC-CLASS AMETA | 193 funds | $99.2B |
| APPLE INCAAPL | 189 funds | $247.3B |
| ELI LILLY & COLLY | 188 funds | $70.6B |
| MICRON TECHNOLOGY INCMU | 187 funds | $31.8B |
| VISA INC-CLASS A SHARESV | 185 funds | $53.1B |
| ADVANCED MICRO DEVICESAMD | 185 funds | $31.2B |
| ALPHABET INC-CL CGOOG | 184 funds | $106.2B |
Ranked by how many of SEI's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| May 13, 2026 | Wirtz Christopher P. | Chief Accounting Officer | Sell (S) | 700 | $54K |
| May 12, 2026 | Argo Laurie H | Director | Sell (S) | 5K | $379K |
| May 11, 2026 | Powell Christopher M | Chief Legal Officer | Sell (S) | 9K | $678K |
| May 11, 2026 | Powell Christopher M | Chief Legal Officer | Sell (S) | 25K | $1.9M |
| May 11, 2026 | Powell Christopher M | Chief Legal Officer | Sell (S) | 2K | $164K |
| May 8, 2026 | TEAGUE AJ | Director | Buy (P) | 3K | $250K |
| May 8, 2026 | Walker Ray N JR | Director | Sell (S) | 57K | $4.1M |
| May 8, 2026 | TEAGUE AJ | Director | Buy (P) | 3K | $201K |
| May 6, 2026 | Keenan W Howard JR | Director | Sell (S) | 2.0M | $149.0M |
| Apr 30, 2026 | KTR Management Company, LLC | 10% Owner | Sell (S) | 2.0M | $141.5M |
| Dec 17, 2025 | TEAGUE AJ | Director | Buy (P) | 2K | $100K |
| Dec 17, 2025 | TEAGUE AJ | Director | Buy (P) | 2K | $100K |
Connected entities for SEI
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/SEI/capital-change-brief"
Use Arkolith's capital_change_brief for SEI. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for SEI. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.