Among active 13F managers last quarter, 6 opened and 22 added, while 26 reduced; the largest holder to move was Boston Partners (−15%). Over the last 180 days, 5 insiders sold and none bought, a net -$18.6M in open-market trades.
The legs disagree, or only one of them leans.
354 tracked 13F filers disclose a position in BYD as of the latest SEC 13F filings, a combined $3.8B 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. | 5.5M | $486.7M | ▼−0.7% Reduced · −41K sh | Q2 2026 | |
| 2 | Boston Partners | 2.8M | $226.7M | ▼−15% Reduced · −470K sh | Q1 2026 | |
| 3 | Vanguard Portfolio Management LLC | 2.5M | $222.1M | ▼−9.4% Reduced · −262K sh | Q2 2026 | |
| 4 | Vanguard Capital Management LLC | 2.4M | $209.8M | ▼−1.2% Reduced · −28K sh | Q2 2026 | |
| 5 | Ariel Investments, LLC | 2.2M | $192.8M | ▼−4.0% Reduced · −92K sh | Q2 2026 | |
| 6 | State Street Corp | 1.9M | $167.0M | ▼−4.0% Reduced · −78K sh | Q2 2026 | |
| 7 | Geode Capital Management, LLC | 1.5M | $128.6M | ▼−9.9% Reduced · −161K sh | Q2 2026 | |
| 8 | Arrowstreet Capital, Limited Partnership | 1.4M | $111.4M | ▼−23% Reduced · −400K sh | Q1 2026 | |
| 9 | FMR LLC | 953K | $84.2M | ▼−28% Reduced · −372K sh | Q2 2026 | |
| 10 | Quantinno Capital Management LP | 925K | $76.0M | ▲+18% Added · +142K sh | Q1 2026 | |
| 11 | Victory Capital Management Inc | 893K | $73.4M | ▼−7.8% Reduced · −76K sh | Q1 2026 | |
| 12 | Nuveen, LLC | 881K | $72.4M | ▼−18% Reduced · −199K sh | Q1 2026 | |
| 13 | American Century Companies Inc | 859K | $70.6M | ▼−5.6% Reduced · −51K sh | Q1 2026 | |
| 14 | JPMorgan Chase & Co | 817K | $65.5M | ▼−7.3% Reduced · −64K sh | Q1 2026 | |
| 15 | Charles Schwab Investment Management Inc | 810K | $66.5M | ▼−4.2% Reduced · −36K sh | Q1 2026 | |
| 16 | Channing Capital Management, LLC | 754K | $66.6M | ▼−2.7% Reduced · −21K sh | Q2 2026 | |
| 17 | Franklin Templeton Inc | 754K | $62.0M | ▼−44% Reduced · −603K sh | Q1 2026 | |
| 18 | Norges Bank | 689K | $58.8M | ▼−1.8% Reduced · −13K sh | Q4 2025 | |
| 19 | Gotham Asset Management, LLC | 681K | $60.2M | ▼−21% Reduced · −177K sh | Q2 2026 | |
| 20 | First Trust Advisors LP | 673K | $55.3M | ▲+1.1% Added · +7K sh | Q1 2026 | |
| 21 | Morgan Stanley | 575K | $47.2M | ▼−32% Reduced · −267K sh | Q1 2026 | |
| 22 | Bank Of America Corp | 569K | $46.8M | ▲+8.8% Added · +46K sh | Q1 2026 | |
| 23 | Price T Rowe Associates Inc | 568K | Withheld | ▼−5.5% Reduced · −33K sh | Q2 2026 | |
| 24 | Northern Trust Corp | 538K | $44.2M | ▲+2.1% Added · +11K sh | Q1 2026 | |
| 25 | Bank of New York Mellon Corp | 502K | $41.3M | ▼−1.6% Reduced · −8K 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. 1 value row is withheld because the reported units disagree with same-security peers; share counts are unchanged.
Last quarter, 6 funds opened a new position in BYD and 22 added to an existing one, while 26 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 | 196 funds | $235.9B |
| Amazon.com IncAMZN | 191 funds | $173.7B |
| Nvidia CorpNVDA | 189 funds | $340.9B |
| Meta Platforms Inc-Class AMETA | 185 funds | $96.3B |
| Alphabet Inc-CL AGOOGL | 184 funds | $140.0B |
| Apple IncAAPL | 183 funds | $257.7B |
| Broadcom IncAVGO | 183 funds | $137.6B |
| Eli Lilly & CoLLY | 183 funds | $67.3B |
| Gilead Sciences IncGILD | 183 funds | $17.5B |
| Alphabet Inc-CL CGOOG | 182 funds | $112.4B |
| Mastercard Inc - AMA | 182 funds | $45.3B |
| Lam Research CorpLRCX | 182 funds | $32.2B |
Ranked by how many of BYD's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in BYD.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Aug 24, 2026 | Johnson Marianne Boyd | Director, 10% Owner | Sell (S) | 12 | $984 |
| Jul 28, 2026 | Hirsberg Josh | CFO & Treasurer | Sell (S) | 13K | $1.1M |
| Jun 9, 2026 | Clinton Uri | Chief Legal Off. & Secretary | Sell (S) | 3K | $304K |
| Jun 3, 2026 | Smith Keith | President and CEO, Director | Sell (S) | 100K | $8.6M |
| May 13, 2026 | Spadafor Christine J. | Director | Sell (S) | 1K | $100K |
| May 5, 2026 | Johnson Marianne Boyd | Chairman, Director, 10% Owner | Sell (S) | 63K | $5.3M |
| May 1, 2026 | Johnson Marianne Boyd | Chairman, Director, 10% Owner | Sell (S) | 37K | $3.2M |
| Feb 27, 2026 | Thompson Stephen S. | Chief Administrative Officer | Sell (S) | 20K | $1.6M |
| Feb 26, 2026 | Hirsberg Josh | CFO & Treasurer | Sell (S) | 24K | $2.1M |
| Feb 18, 2026 | Boyd William R | Director | Sell (S) | 30K | $2.5M |
| Nov 7, 2025 | Boyd William R | Director | Sell (S) | 20K | $1.6M |
| Sep 4, 2025 | Johnson Marianne Boyd | Executive Chairman, Director, 10% Owner | Sell (S) | 100K | $8.7M |
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 | 38 | 53 | – |
Insiders Form 4 open-market | 0 | 5 | -$18.6M |
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.
| Class | 13F holders | Value held |
|---|---|---|
| BYDthis pagecs | 354 funds | $3.8B |
| 103304BU4Corporate Bond - Domestic | 1 funds | $183K |
| 103304BV2Corporate Bond - Domestic | 1 funds | $76K |
Same issuer, multiple share classes. The consensus leaderboards count this company once across all classes; this is the per-class detail.
Connected entities for BYD
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/BYD/capital-change-brief"
Use Arkolith's capital_change_brief for BYD. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
13F holdings + Form 4 insider transactions + the live filing stream, joined for BYD. Filings are public domain, sourced to SEC EDGAR.