320 tracked 13F filers disclose a position in SLAB as of the latest SEC 13F filings, a combined $5.7B 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. | $1.0B | 5.0M | ▲+4.7% Added · +222K sh | Q1 2026 | |
| 2 | VANGUARD PORTFOLIO MANAGEMENT LLC | $445.2M | 2.1M | →First observed position No prior filed position | Q1 2026 | |
| 3 | STATE STREET CORP | $354.9M | 1.6M | ▲+11% Added · +157K sh | Q2 2026 | |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | $306.7M | 1.5M | →First observed position No prior filed position | Q1 2026 | |
| 5 | BALYASNY ASSET MANAGEMENT L.P. | $256.8M | 1.2M | ▲New +1.2M sh | Q1 2026 | |
| 6 | GEODE CAPITAL MANAGEMENT, LLC | $197.9M | 905K | ▲+6.3% Added · +54K sh | Q2 2026 | |
| 7 | AMERICAN CENTURY COMPANIES INC | $132.5M | 636K | ▼−2.4% Reduced · −16K sh | Q1 2026 | |
| 8 | MORGAN STANLEY | $123.0M | 591K | ▲+45% Added · +184K sh | Q1 2026 | |
| 9 | ADAGE CAPITAL PARTNERS GP, L.L.C. | $117.9M | 566K | ▼−8.1% Reduced · −50K sh | Q1 2026 | |
| 10 | GOLDMAN SACHS GROUP INC | $108.2M | 520K | ▼−12% Reduced · −72K sh | Q1 2026 | |
| 11 | DIMENSIONAL FUND ADVISORS LP | $106.1M | 510K | ▼−2.3% Reduced · −12K sh | Q1 2026 | |
| 12 | Pentwater Capital Management LP | $104.1M | 500K | ▲New +500K sh | Q1 2026 | |
| 13 | MILLENNIUM MANAGEMENT LLC | $95.2M | 457K | ▲54× Added · +449K sh | Q1 2026 | |
| 14 | NORGES BANK | $56.0M | 429K | ▲+38% Added · +117K sh | Q4 2025 | |
| 15 | Pathstone Holdings, LLC | $88.5M | 425K | ▲~0% Added · +30 sh | Q1 2026 | |
| 16 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $82.4M | 396K | ▼−3.4% Reduced · −14K sh | Q1 2026 | |
| 17 | NORTHERN TRUST CORP | $80.6M | 387K | ▲+2.3% Added · +9K sh | Q1 2026 | |
| 18 | FEDERATED HERMES, INC. | $79.7M | 383K | ▼−2.3% Reduced · −9K sh | Q1 2026 | |
| 19 | UBS Group AG | $79.3M | 381K | ▲+48% Added · +123K sh | Q1 2026 | |
| 20 | CITADEL ADVISORS LLC | $71.1M | 342K | ▲26× Added · +329K sh | Q1 2026 | |
| 21 | Kryger Capital LLC | $71.9M | 329K | ▲+83% Added · +150K sh | Q2 2026 | |
| 22 | AQR Arbitrage LLC | $64.3M | 309K | ▲New +309K sh | Q1 2026 | |
| 23 | AQR CAPITAL MANAGEMENT LLC | $57.1M | 274K | ▼−58% Reduced · −379K sh | Q1 2026 | |
| 24 | Magnetar Financial LLC | $54.9M | 251K | ▲+2.2% Added · +5K sh | Q2 2026 | |
| 25 | ALLIANCEBERNSTEIN L.P. | $32.1M | 246K | ▲+98% Added · +122K 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, 15 funds opened a new position in SLAB and 29 added to an existing one, while 13 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 |
|---|---|---|
| MICROSOFT CORPMSFT | 177 funds | $241.8B |
| AMAZON.COM INCAMZN | 175 funds | $180.4B |
| NVIDIA CORPNVDA | 172 funds | $352.3B |
| META PLATFORMS INC-CLASS AMETA | 171 funds | $103.5B |
| APPLE INCAAPL | 170 funds | $263.9B |
| ALPHABET INC-CL AGOOGL | 170 funds | $147.6B |
| BROADCOM INCAVGO | 169 funds | $139.9B |
| TESLA INCTSLA | 166 funds | $67.8B |
| NORFOLK SOUTHERN CORPNSC | 166 funds | $11.1B |
| MASTERCARD INC - AMA | 164 funds | $46.9B |
| MICRON TECHNOLOGY INCMU | 164 funds | $35.7B |
| ALPHABET INC-CL CGOOG | 163 funds | $114.1B |
Ranked by how many of SLAB's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Aug 14, 2026 | CONRAD ROBERT J | Sr VP and General Manager | Sell (S) | 7K | $1.4M |
| May 18, 2026 | Johnson Robert Matthew | President & CEO, Director | Sell (S) | 8K | $1.7M |
| Jan 13, 2026 | Richardson Nina | Director | Sell (S) | 1K | $202K |
| Dec 5, 2025 | Tolany Brandon | Sr VP WW Sales & Marketing | Sell (S) | 2K | $276K |
| Dec 4, 2025 | Tolany Brandon | Sr VP WW Sales & Marketing | Sell (S) | 4K | $595K |
| Aug 29, 2025 | Tolany Brandon | Sr VP WW Sales & Marketing | Sell (S) | 2K | $240K |
| Aug 22, 2025 | Tolany Brandon | Sr VP WW Sales & Marketing | Sell (S) | 8K | $1.2M |
| Aug 19, 2025 | Tolany Brandon | Sr VP WW Sales & Marketing | Sell (S) | 2K | $301K |
| May 16, 2025 | Johnson Robert Matthew | President & CEO, Director | Sell (S) | 6K | $771K |
| May 16, 2025 | CONRAD ROBERT J | Sr VP and General Manager | Sell (S) | 4K | $529K |
| May 13, 2025 | CONRAD ROBERT J | Sr VP Worldwide Operations | Sell (S) | 1K | $152K |
| May 6, 2025 | Wyatt Christy | Director | Sell (S) | 546 | $57K |
Connected entities for SLAB
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/SLAB/capital-change-brief"
Use Arkolith's capital_change_brief for SLAB. 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 SLAB. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.