Among active 13F managers last quarter, 6 opened and 30 added, while 17 reduced; the largest holder to move was Copeland Capital Management, LLC (−2.2%). Over the last 180 days, 2 insiders sold and none bought, a net -$346K in open-market trades.
The legs disagree, or only one of them leans.
197 tracked 13F filers disclose a position in HSTM as of the latest SEC 13F filings, a combined $506.0M 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. | 4.1M | $111.2M | ▲+5.9% Added · +228K sh | Q2 2026 | |
| 2 | Dimensional Fund Advisors LP | 1.5M | $30.2M | ▲+6.4% Added · +87K sh | Q1 2026 | |
| 3 | Copeland Capital Management, LLC | 1.2M | $34.0M | ▼−2.2% Reduced · −28K sh | Q2 2026 | |
| 4 | Vanguard Capital Management LLC | 1.0M | $28.5M | ▼−0.3% Reduced · −3K sh | Q2 2026 | |
| 5 | State Street Corp | 1.0M | $27.4M | ▲+0.9% Added · +9K sh | Q2 2026 | |
| 6 | Vanguard Portfolio Management LLC | 881K | $24.0M | ▼−4.5% Reduced · −41K sh | Q2 2026 | |
| 7 | Two Sigma Investments, LP | 844K | $17.5M | ▲+285% Added · +625K sh | Q1 2026 | |
| 8 | Geode Capital Management, LLC | 779K | $21.2M | ▲+9.0% Added · +64K sh | Q2 2026 | |
| 9 | First Eagle Investment Management, LLC | 592K | $16.1M | ▲+39% Added · +166K sh | Q2 2026 | |
| 10 | Renaissance Technologies LLC | 478K | $9.9M | ▲+0.5% Added · +2K sh | Q1 2026 | |
| 11 | JPMorgan Chase & Co | 454K | $9.6M | ▲+0.2% Added · +841 sh | Q1 2026 | |
| 12 | Arrowstreet Capital, Limited Partnership | 378K | $7.8M | ▲+21% Added · +66K sh | Q1 2026 | |
| 13 | Morgan Stanley | 369K | $7.6M | ▲+45% Added · +115K sh | Q1 2026 | |
| 14 | Northern Trust Corp | 362K | $7.5M | ▲+3.4% Added · +12K sh | Q1 2026 | |
| 15 | Robeco Institutional Asset Management B.V. | 313K | $6.5M | ▼−8.0% Reduced · −27K sh | Q1 2026 | |
| 16 | Goldman Sachs Group Inc | 274K | $5.7M | ▲+78% Added · +120K sh | Q1 2026 | |
| 17 | Charles Schwab Investment Management Inc | 266K | $5.5M | ▲+10% Added · +25K sh | Q1 2026 | |
| 18 | Bank of New York Mellon Corp | 224K | $4.6M | ▼−2.4% Reduced · −6K sh | Q1 2026 | |
| 19 | Creative Planning | 218K | $4.5M | ▲+268% Added · +159K sh | Q1 2026 | |
| 20 | Envestnet Asset Management Inc | 200K | $4.1M | ▲+69% Added · +82K sh | Q1 2026 | |
| 21 | Kennedy Capital Management LLC | 195K | $4.0M | ▲+1.8% Added · +4K sh | Q1 2026 | |
| 22 | Millennium Management LLC | 176K | $3.6M | ▲+172% Added · +111K sh | Q1 2026 | |
| 23 | FMR LLC | 167K | $4.5M | ▼−4.8% Reduced · −8K sh | Q2 2026 | |
| 24 | Lazard Asset Management LLC | 157K | $3.3M | ▲+268% Added · +115K sh | Q1 2026 | |
| 25 | Vanguard Fiduciary Trust Co | 156K | $4.3M | ▼−3.1% Reduced · −5K sh | Q2 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, 6 funds opened a new position in HSTM and 30 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 |
|---|---|---|
| Alphabet Inc-CL AGOOGL | 106 funds | $132.4B |
| Microsoft CorpMSFT | 105 funds | $197.6B |
| Nvidia CorpNVDA | 103 funds | $310.4B |
| Apple IncAAPL | 103 funds | $224.7B |
| Amazon.com IncAMZN | 103 funds | $153.0B |
| Eli Lilly & CoLLY | 103 funds | $65.2B |
| JPMorgan Chase & CoJPM | 103 funds | $46.1B |
| Broadcom IncAVGO | 102 funds | $126.5B |
| Micron Technology IncMU | 102 funds | $43.4B |
| Costco Wholesale CorpCOST | 102 funds | $28.2B |
| Tesla IncTSLA | 101 funds | $55.5B |
| General ElectricGE | 101 funds | $23.4B |
Ranked by how many of HSTM's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in HSTM.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Jul 6, 2026 | Rebrovick Linda | Director | Sell (S) | 6K | $174K |
| Jun 1, 2026 | Rebrovick Linda | Director | Sell (S) | 2K | $50K |
| May 28, 2026 | Rebrovick Linda | Director | Sell (S) | 2K | $50K |
| May 20, 2026 | O'Hara Kevin P | Executive Vice President | Sell (S) | 3K | $72K |
| Dec 10, 2025 | Cunningham Jeff | Chief Technology Officer | Sell (S) | 2K | $51K |
| Dec 8, 2025 | O'Hara Kevin P | Executive Vice President | Sell (S) | 2K | $49K |
| Nov 26, 2025 | Taylor Tate Deborah | Director | Sell (S) | 2K | $40K |
| Aug 27, 2025 | O'Hara Kevin P | Executive Vice President | Sell (S) | 2K | $56K |
| Feb 27, 2025 | Fenstermacher Scott | Senior Vice President | Sell (S) | 2K | $66K |
| Aug 29, 2024 | Taylor Tate Deborah | Director | Sell (S) | 1K | $40K |
| Aug 26, 2024 | Fenstermacher Scott | Senior Vice President | Sell (S) | 1K | $29K |
| Aug 7, 2024 | O'Hara Kevin P | Senior Vice President | Sell (S) | 3K | $84K |
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 | 55 | 28 | – |
Insiders Form 4 open-market | 0 | 2 | -$346K |
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 HSTM
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/HSTM/capital-change-brief"
Use Arkolith's capital_change_brief for HSTM. 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 HSTM. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.