Among active 13F managers last quarter, 4 opened and 23 added, while 17 reduced; the largest holder to move was Boston Partners (+30%). Over the last 180 days, 4 insiders sold and 2 insiders bought, a net -$24.3M in open-market trades.
The legs disagree, or only one of them leans.
176 tracked 13F filers disclose a position in BY as of the latest SEC 13F filings, a combined $753.8M 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 | Shares | Position value | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 3.5M | $132.2M | ▲+6.5% Added · +216K sh | Q2 2026 | |
| 2 | Dimensional Fund Advisors LP | 2.4M | $74.7M | ▲+1.6% Added · +37K sh | Q1 2026 | |
| 3 | T. Rowe Price Investment Management, Inc. | 1.5M | Withheld | ▲+143% Added · +881K sh | Q2 2026 | |
| 4 | Vanguard Capital Management LLC | 1.2M | $44.9M | ▼−5.3% Reduced · −67K sh | Q2 2026 | |
| 5 | State Street Corp | 1.1M | $41.0M | ▲+5.6% Added · +58K sh | Q2 2026 | |
| 6 | Boston Partners | 918K | $29.1M | ▲+30% Added · +212K sh | Q1 2026 | |
| 7 | American Century Companies Inc | 905K | $28.6M | ▲+7.7% Added · +65K sh | Q1 2026 | |
| 8 | Geode Capital Management, LLC | 810K | $30.5M | ▲+2.8% Added · +22K sh | Q2 2026 | |
| 9 | AQR Capital Management LLC | 665K | $21.0M | ▲+32% Added · +160K sh | Q1 2026 | |
| 10 | Federated Hermes, Inc. | 624K | $19.7M | ▲+8.8% Added · +51K sh | Q1 2026 | |
| 11 | Ararat Capital Management LP | 491K | $18.5M | ▼−21% Reduced · −133K sh | Q2 2026 | |
| 12 | JPMorgan Chase & Co | 459K | $14.3M | ▼−19% Reduced · −111K sh | Q1 2026 | |
| 13 | Nuveen, LLC | 425K | $13.4M | ▼−5.7% Reduced · −26K sh | Q1 2026 | |
| 14 | Bridgeway Capital Management, LLC | 424K | $16.0M | ▲+0.2% Added · +728 sh | Q2 2026 | |
| 15 | Vanguard Portfolio Management LLC | 363K | $13.7M | ▲+8.0% Added · +27K sh | Q2 2026 | |
| 16 | Qube Research & Technologies Ltd | 342K | $10.8M | ▼−1.0% Reduced · −3K sh | Q1 2026 | |
| 17 | Goldman Sachs Group Inc | 299K | $9.5M | ▲+8.4% Added · +23K sh | Q1 2026 | |
| 18 | Millennium Management LLC | 288K | $9.1M | ▲+80% Added · +128K sh | Q1 2026 | |
| 19 | Morgan Stanley | 282K | $8.9M | ▼−17% Reduced · −60K sh | Q1 2026 | |
| 20 | Charles Schwab Investment Management Inc | 268K | $8.5M | ▼−1.1% Reduced · −3K sh | Q1 2026 | |
| 21 | Northern Trust Corp | 266K | $8.4M | ▲+2.8% Added · +7K sh | Q1 2026 | |
| 22 | Endeavour Capital Advisors Inc | 239K | $9.0M | ▲+32% Added · +58K sh | Q2 2026 | |
| 23 | Vanguard Fiduciary Trust Co | 211K | $7.9M | ▲+1.9% Added · +4K sh | Q2 2026 | |
| 24 | Two Sigma Investments, LP | 207K | $6.5M | ▲+17% Added · +30K sh | Q1 2026 | |
| 25 | Empowered Funds, LLC | 203K | $6.4M | ▲New +203K 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. 2 value rows are withheld because the reported units disagree with same-security peers; share counts are unchanged.
Last quarter, 4 funds opened a new position in BY and 23 added to an existing one, while 17 reduced. 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 | Their position there |
|---|---|---|
| Microsoft CorpMSFT | 81 funds | $159.8B |
| JPMorgan Chase & CoJPM | 80 funds | $38.9B |
| Alphabet Inc-CL AGOOGL | 79 funds | $105.5B |
| Visa Inc-Class A SharesV | 79 funds | $37.1B |
| Nvidia CorpNVDA | 78 funds | $252.5B |
| Amazon.com IncAMZN | 78 funds | $124.0B |
| Broadcom IncAVGO | 78 funds | $106.3B |
| Apple IncAAPL | 77 funds | $177.2B |
| Meta Platforms Inc-Class AMETA | 77 funds | $68.0B |
| Eli Lilly & CoLLY | 77 funds | $52.8B |
| Tesla IncTSLA | 75 funds | $40.3B |
| Costco Wholesale CorpCOST | 75 funds | $22.0B |
Ranked by how many of BY's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in BY.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Aug 19, 2026 | Herseth Mary Jo S. | Director | Buy (P) | 300 | $12K |
| Aug 19, 2026 | Kistner William G | Director | Buy (P) | 100 | $4K |
| Aug 13, 2026 | Herencia Roberto R | CHIEF EXECUTIVE OFFICER, Director | Sell (S) | 20K | $774K |
| Aug 12, 2026 | Rose Dana | CHIEF HUMAN RESOURCES OFFICER | Sell (S) | 2K | $94K |
| Aug 7, 2026 | Del Valle Perochena Antonio | Director, 10% Owner | Sell (S) | 300K | $11.7M |
| Aug 7, 2026 | Mbg Investors I, L.p. | 10% Owner | Sell (S) | 300K | $11.7M |
| May 4, 2026 | Kistner William G | Director | Buy (P) | 100 | $3K |
| Mar 16, 2026 | Herseth Mary Jo S. | Director | Buy (P) | 300 | $9K |
| Feb 26, 2026 | Barkidjija John | HEAD OF CRE & SPECIALTY FIN | Sell (S) | 5K | $146K |
| Feb 17, 2026 | Doran Brian F | General Counsel | Buy (P) | 750 | $25K |
| Jan 28, 2026 | Cabrera Phillip R. | Director | Buy (P) | 169 | $5K |
| Oct 28, 2025 | Kistner William G | Director | Buy (P) | 65 | $2K |
Where institutional funds (13F), corporate insiders (Form 4) and US House members (STOCK Act) are buying or selling the same name in the same window. Green is buying, red is selling.
Insiders and Congress: last 180 days. Funds: latest 13F, top 100 holders incl. passive
| Source | Buying | Selling | Net |
|---|---|---|---|
13F funds Top 100 holders by value, passive included; the hero counts active managers only | 47 | 37 | – |
Insiders Form 4 open-market | 2 | 4 | -$24.3M |
US House STOCK Act trades | 0 | 0 | $0 |
Capital Rotation reports where institutional capital disclosed rotating, as of the latest public SEC 13F filings. It is data, not investment advice, a recommendation, or a prediction. Filings lag about 45 days and cover long US equity positions only. Past disclosed flows do not indicate future prices. Do your own research; consult a licensed advisor.
Connected entities for BY
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/BY/capital-change-brief"
Use Arkolith's capital_change_brief for BY. 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 BY. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.