| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | $184.0M | 4.8M | ▲+0.5% Added · +23K sh | Q1 2026 | |
| 2 | MORGAN STANLEY | $164.7M | 4.3M | ▼−1.2% Reduced · −54K sh | Q1 2026 | |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | $116.3M | 3.0M | ▲New +3.0M sh | Q1 2026 | |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | $75.0M | 1.9M | ▲New +1.9M sh | Q1 2026 | |
| 5 | JANUS HENDERSON GROUP PLC | $60.1M | 1.6M | ▲+3.9% Added · +59K sh | Q1 2026 | |
| 6 | STATE STREET CORP | $58.5M | 1.5M | ▲+0.7% Added · +10K sh | Q1 2026 | |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | $37.5M | 971K | ▲+1.0% Added · +10K sh | Q1 2026 | |
| 8 | DIMENSIONAL FUND ADVISORS LP | $36.7M | 951K | ▼−2.4% Reduced · −24K sh | Q1 2026 | |
| 9 | GENEVA CAPITAL MANAGEMENT LLC | $27.8M | 719K | ▼−34% Reduced · −371K sh | Q1 2026 | |
| 10 | FULLER & THALER ASSET MANAGEMENT, INC. | $26.4M | 685K | ▲+71% Added · +284K sh | Q1 2026 | |
| 11 | GOLDMAN SACHS GROUP INC | $25.6M | 662K | ▲+131% Added · +376K sh | Q1 2026 | |
| 12 | PALISADE CAPITAL MANAGEMENT, LP | $22.3M | 577K | ▲+18% Added · +89K sh | Q1 2026 | |
| 13 | NORTHERN TRUST CORP | $22.1M | 573K | ▲+0.3% Added · +2K sh | Q1 2026 | |
| 14 | SHAPIRO CAPITAL MANAGEMENT LLC | $19.9M | 517K | ▲+57% Added · +187K sh | Q1 2026 | |
| 15 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $19.1M | 496K | ▲+6.5% Added · +30K sh | Q1 2026 | |
| 16 | P2 Capital Partners, LLC | $18.6M | 483K | ▼−23% Reduced · −147K sh | Q1 2026 | |
| 17 | Qube Research & Technologies Ltd | $18.3M | 473K | ▲+257% Added · +341K sh | Q1 2026 | |
| 18 | NORGES BANK | $29.8M | 471K | ▼−3.9% Reduced · −19K sh | Q4 2025 | |
| 19 | FIRST TRUST ADVISORS LP | $15.6M | 405K | ▲+2.9% Added · +11K sh | Q1 2026 | |
| 20 | Bank of New York Mellon Corp | $13.9M | 360K | ▼−9.3% Reduced · −37K sh | Q1 2026 | |
| 21 | BANK OF AMERICA CORP /DE/ | $13.6M | 352K | ▼−35% Reduced · −187K sh | Q1 2026 | |
| 22 | Clearline Capital LP | $13.5M | 350K | ▼−9.1% Reduced · −35K sh | Q1 2026 | |
| 23 | AQR CAPITAL MANAGEMENT LLC | $13.3M | 347K | ▼−55% Reduced · −420K sh | Q1 2026 | |
| 24 | JANE STREET GROUP, LLC | $12.3M | 318K | ▲+59% Added · +117K sh | Q1 2026 | |
| 25 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | $12.1M | 313K | ▲+50% Added · +105K 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.
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 99 funds | $42.6B |
| ELI LILLY & COLLY | 98 funds | $11.7B |
| COSTCO WHOLESALE CORPCOST | 98 funds | $7.5B |
| APPLE INCAAPL | 97 funds | $50.6B |
| AMAZON.COM INCAMZN | 97 funds | $35.4B |
| ALPHABET INC-CL AGOOGL | 97 funds | $28.9B |
| META PLATFORMS INC-CLASS AMETA | 97 funds | $19.5B |
| NVIDIA CORPNVDA | 96 funds | $62.3B |
| O'REILLY AUTOMOTIVE INCORLY | 96 funds | $2.4B |
| BROADCOM INCAVGO | 95 funds | $22.8B |
| MASTERCARD INC - AMA | 95 funds | $7.4B |
| BANK OF AMERICA CORPBAC | 95 funds | $4.6B |
Ranked by how many of BLKB's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Jun 1, 2026 | Anderson Chad | Executive VP and CFO | Sell (S) | 6K | $194K |
| Mar 4, 2026 | Gregoire Kevin P. | EVP, Chief Operating Officer | Sell (S) | 2K | $100K |
| Mar 3, 2026 | Olson Jon W | SVP and General Counsel | Sell (S) | 5K | $246K |
| Feb 27, 2026 | Olson Jon W | SVP and General Counsel | Sell (S) | 10K | $482K |
| Feb 24, 2026 | Benjamin David J | EVP, Chief Commercial Officer | Sell (S) | 14K | $681K |
| Feb 23, 2026 | McDearis Kevin | EVP & Chief Technology Officer | Sell (S) | 488 | $23K |
| Feb 23, 2026 | McDearis Kevin | EVP & Chief Technology Officer | Sell (S) | 15K | $694K |
| Feb 18, 2026 | Benjamin David J | EVP, Chief Commercial Officer | Sell (S) | 8K | $395K |
| Nov 21, 2025 | Hollenbeck Rupal S | Director | Sell (S) | 2K | $90K |
| Nov 6, 2025 | Gianoni Michael P | President and CEO, Director | Sell (S) | 48 | $3K |
| Nov 6, 2025 | Gianoni Michael P | President and CEO, Director | Sell (S) | 1K | $74K |
| Nov 6, 2025 | Gianoni Michael P | President and CEO, Director | Sell (S) | 4K | $212K |
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/BLKB/capital-change-brief"
Use Arkolith's capital_change_brief for BLKB. 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 BLKB. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.