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/SEIC/capital-change-brief"
Use Arkolith's capital_change_brief for SEIC. 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. | $793.4M | 10.1M | ▲+4.9% Added · +472K sh | Q1 2026 | |
| 2 | LOOMIS SAYLES & CO L P | $677.1M | 8.6M | ▼−1.3% Reduced · −116K sh | Q1 2026 | |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | $480.7M | 6.1M | ▲New +6.1M sh | Q1 2026 | |
| 4 | MORGAN STANLEY | $376.1M | 4.8M | ▼−5.6% Reduced · −283K sh | Q1 2026 | |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | $372.1M | 4.7M | ▲New +4.7M sh | Q1 2026 | |
| 6 | STATE STREET CORP | $328.4M | 4.2M | ▼−2.3% Reduced · −98K sh | Q1 2026 | |
| 7 | BANK OF AMERICA CORP /DE/ | $229.2M | 2.9M | ▼−0.1% Reduced · −2K sh | Q1 2026 | |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | $222.1M | 2.8M | ▼−2.2% Reduced · −64K sh | Q1 2026 | |
| 9 | FMR LLC | $164.2M | 2.1M | ▲+56% Added · +749K sh | Q1 2026 | |
| 10 | DIMENSIONAL FUND ADVISORS LP | $147.0M | 1.9M | ▲+1.1% Added · +20K sh | Q1 2026 | |
| 11 | FIRST TRUST ADVISORS LP | $143.0M | 1.8M | ▲+1.2% Added · +22K sh | Q1 2026 | |
| 12 | Boston Partners | $138.9M | 1.8M | ▲New +1.8M sh | Q1 2026 | |
| 13 | CAISSE DE DEPOT ET PLACEMENT DU QUEBEC | $94.0M | 1.2M | ▼−13% Reduced · −183K sh | Q1 2026 | |
| 14 | Boston Trust Walden Corp | $81.6M | 1.0M | ▼−4.2% Reduced · −45K sh | Q1 2026 | |
| 15 | FRANKLIN RESOURCES INC | $77.1M | 983K | ▲+20% Added · +164K sh | Q1 2026 | |
| 16 | Bank of New York Mellon Corp | $73.5M | 936K | ▼−5.5% Reduced · −54K sh | Q1 2026 | |
| 17 | NORTHERN TRUST CORP | $71.1M | 906K | ▲+1.6% Added · +14K sh | Q1 2026 | |
| 18 | AMERIPRISE FINANCIAL INC | $68.2M | 870K | ▲+5.8% Added · +48K sh | Q1 2026 | |
| 19 | Clark Capital Management Group, Inc. | $65.7M | 838K | ▲+30% Added · +192K sh | Q1 2026 | |
| 20 | AMERICAN CAPITAL MANAGEMENT INC | $60.3M | 769K | ▲+34% Added · +194K sh | Q1 2026 | |
| 21 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $54.7M | 696K | ▲+4.8% Added · +32K sh | Q1 2026 | |
| 22 | NORGES BANK | $53.5M | 653K | ▲+5.3% Added · +33K sh | Q4 2025 | |
| 23 | VANGUARD FIDUCIARY TRUST CO | $46.3M | 590K | ▲New +590K sh | Q1 2026 | |
| 24 | RAYMOND JAMES FINANCIAL INC | $44.9M | 572K | ▲+7.5% Added · +40K sh | Q1 2026 | |
| 25 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | $44.6M | 568K | ▲+23% Added · +104K 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 29, 2026 | WEST ALFRED P JR | Insider | Sell (S) | 6K | $493K |
| Jun 29, 2026 | WEST ALFRED P JR | Insider | Sell (S) | 2K | $148K |
| Jun 26, 2026 | WEST ALFRED P JR | Insider | Sell (S) | 46K | $4.0M |
| Jun 26, 2026 | WEST ALFRED P JR | Insider | Sell (S) | 4K | $336K |
| Jun 9, 2026 | DORAN WILLIAM | Director | Sell (S) | 5K | $453K |
| May 4, 2026 | MCCARTHY KATHRYN | Director | Option exercise (M) | 5K | $248K |
| May 4, 2026 | MCCARTHY KATHRYN | Director | Option exercise (M) | 5K | $248K |
| May 4, 2026 | MCCARTHY KATHRYN | Director | Sell (S) | 10K | $911K |
| May 4, 2026 | MCCARTHY KATHRYN | Director | Option exercise (M) | 5K | — |
| May 4, 2026 | MCCARTHY KATHRYN | Director | Option exercise (M) | 5K | — |
| Apr 28, 2026 | Warner Mark Andrew | In Remarks | Option exercise (M) | 4K | $194K |
| Apr 28, 2026 | Warner Mark Andrew | In Remarks | Sell (S) | 4K | $365K |
| Company | Co-held by | Combined value |
|---|---|---|
| ALPHABET INC-CL AGOOGL | 198 funds | $47.9B |
| MICROSOFT CORPMSFT | 197 funds | $74.1B |
| MASTERCARD INC - AMA | 197 funds | $13.5B |
| COSTCO WHOLESALE CORPCOST | 197 funds | $13.3B |
| BROADCOM INCAVGO | 195 funds | $37.3B |
| META PLATFORMS INC-CLASS AMETA | 195 funds | $31.9B |
| ELI LILLY & COLLY | 195 funds | $19.1B |
| APPLE INCAAPL | 194 funds | $90.6B |
| AMAZON.COM INCAMZN | 194 funds | $56.0B |
| JPMORGAN CHASE & COJPM | 194 funds | $25.6B |
| VISA INC-CLASS A SHARESV | 194 funds | $15.5B |
| UNITEDHEALTH GROUP INCUNH | 194 funds | $7.0B |
Ranked by how many of SEIC'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 SEIC. 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.