Among active 13F managers last quarter, 5 opened and 6 added, while 3 reduced; the largest holder to move was Nuveen, LLC (new position). Over the last 180 days, 1 insider bought and none sold, a net +$97K in open-market trades.
Funds lean in and no leg opposes.
57 tracked 13F filers disclose a position in GLSI as of the latest SEC 13F filings, a combined $40.6M 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. | 486K | $11.4M | ▲+12% Added · +52K sh | Q2 2026 | |
| 2 | Vanguard Capital Management LLC | 278K | $6.5M | ▼−6.7% Reduced · −20K sh | Q2 2026 | |
| 3 | Geode Capital Management, LLC | 168K | $3.9M | ▲+8.2% Added · +13K sh | Q2 2026 | |
| 4 | State Street Corp | 143K | $3.4M | ▲+6.9% Added · +9K sh | Q2 2026 | |
| 5 | Nuveen, LLC | 89K | $2.1M | ▲New +89K sh | Q1 2026 | |
| 6 | Vanguard Portfolio Management LLC | 81K | $1.9M | ▲+37% Added · +22K sh | Q2 2026 | |
| 7 | Northern Trust Corp | 75K | $1.8M | ▲+2.9% Added · +2K sh | Q1 2026 | |
| 8 | Bank of New York Mellon Corp | 47K | $1.1M | ▲+236% Added · +33K sh | Q1 2026 | |
| 9 | Vanguard Fiduciary Trust Co | 46K | $1.1M | ▲+2.4% Added · +1K sh | Q2 2026 | |
| 10 | Russell Investments Group, Ltd. | 40K | $954K | ▲71× Added · +39K sh | Q1 2026 | |
| 11 | Goldman Sachs Group Inc | 40K | $949K | ▲+83% Added · +18K sh | Q1 2026 | |
| 12 | Morgan Stanley | 30K | $716K | ▲+13% Added · +3K sh | Q1 2026 | |
| 13 | Sei Investments Co | 26K | $627K | ▲New +26K sh | Q1 2026 | |
| 14 | Marshall Wace, LLP | 26K | $616K | ▲New +26K sh | Q1 2026 | |
| 15 | UBS Group AG | 21K | $507K | ▲+247% Added · +15K sh | Q1 2026 | |
| 16 | Millennium Management LLC | 17K | $418K | ▲New +17K sh | Q1 2026 | |
| 17 | Charles Schwab Investment Management Inc | 17K | $399K | ▼−13% Reduced · −2K sh | Q1 2026 | |
| 18 | STRS Ohio | 14K | $329K | ▲+140% Added · +8K sh | Q1 2026 | |
| 19 | Vanguard Global Advisers, LLC | 12K | $278K | ▲+15% Added · +2K sh | Q2 2026 | |
| 20 | Ancora Advisors LLC | 11K | $252K | ▼−71% Reduced · −27K sh | Q2 2026 | |
| 21 | Raymond James Financial Inc | 10K | $236K | ▲New +10K sh | Q1 2026 | |
| 22 | Rhumbline Advisers | 8K | $193K | ▼−0.5% Reduced · −40 sh | Q1 2026 | |
| 23 | Deutsche Bank AG | 5K | $124K | ▼−15% Reduced · −889 sh | Q1 2026 | |
| 24 | FMR LLC | 4K | $94K | ▼−2.7% Reduced · −111 sh | Q2 2026 | |
| 25 | Jones Financial Companies LLLP | 3K | $71K | ▲New +3K 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, 5 funds opened a new position in GLSI and 6 added to an existing one, while 3 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 |
|---|---|---|
| Nvidia CorpNVDA | 18 funds | $74.7B |
| Apple IncAAPL | 18 funds | $59.4B |
| Microsoft CorpMSFT | 18 funds | $49.8B |
| Amazon.com IncAMZN | 18 funds | $35.2B |
| Broadcom IncAVGO | 18 funds | $28.8B |
| Alphabet Inc-CL AGOOGL | 18 funds | $27.6B |
| Alphabet Inc-CL CGOOG | 18 funds | $23.3B |
| Meta Platforms Inc-Class AMETA | 18 funds | $18.2B |
| Tesla IncTSLA | 18 funds | $15.6B |
| Eli Lilly & CoLLY | 18 funds | $14.1B |
| JPMorgan Chase & CoJPM | 18 funds | $12.0B |
| Johnson & JohnsonJNJ | 18 funds | $10.1B |
Ranked by how many of GLSI's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in GLSI.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Jul 29, 2026 | Patel Snehal | CEO and CFO, Director, 10% Owner | Buy (P) | 700 | $9K |
| Jul 28, 2026 | Patel Snehal | CEO and CFO, Director, 10% Owner | Buy (P) | 2K | $20K |
| Jul 27, 2026 | Patel Snehal | CEO and CFO, Director, 10% Owner | Buy (P) | 2K | $20K |
| Jul 24, 2026 | Patel Snehal | CEO and CFO, Director, 10% Owner | Buy (P) | 1K | $14K |
| Jul 23, 2026 | Patel Snehal | CEO and CFO, Director, 10% Owner | Buy (P) | 3K | $33K |
| Jan 13, 2026 | Patel Snehal | CEO and CFO, Director, 10% Owner | Buy (P) | 2K | $54K |
| Jan 12, 2026 | Patel Snehal | CEO and CFO, Director, 10% Owner | Buy (P) | 3K | $80K |
| Dec 31, 2025 | Patel Snehal | CEO and CFO, Director, 10% Owner | Buy (P) | 4K | $92K |
| Dec 30, 2025 | Patel Snehal | CEO and CFO, Director, 10% Owner | Buy (P) | 3K | $63K |
| Dec 18, 2025 | Patel Snehal | CEO and CFO, Director, 10% Owner | Buy (P) | 4K | $52K |
| Nov 25, 2025 | Patel Snehal | CEO and CFO, Director, 10% Owner | Buy (P) | 5K | $39K |
| Nov 7, 2025 | Patel Snehal | CEO and CFO, Director, 10% Owner | Buy (P) | 11K | $89K |
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 | 22 | 17 | – |
Insiders Form 4 open-market | 1 | 0 | +$97K |
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 GLSI
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/GLSI/capital-change-brief"
Use Arkolith's capital_change_brief for GLSI. 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 GLSI. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.