Among active 13F managers last quarter, 34 opened and 2 added, while 7 reduced; the largest holder to move was Blue Owl Capital Holdings LP (−2.9%). Over the last 180 days, 3 insiders sold and none bought, a net -$3.0M in open-market trades.
The legs disagree, or only one of them leans.
91 tracked 13F filers disclose a position in AKTS as of the latest SEC 13F filings, a combined $912.7M 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 | MPM BioImpact LLC | 4.8M | $155.9M | —Held | Q2 2026 | |
| 2 | EcoR1 Capital, LLC | 4.8M | $155.5M | —Held | Q2 2026 | |
| 3 | Blue Owl Capital Holdings LP | 3.1M | $99.0M | ▼−2.9% Reduced · −91K sh | Q2 2026 | |
| 4 | BlackRock, Inc. | 2.3M | $73.4M | ▲+7.9% Added · +166K sh | Q2 2026 | |
| 5 | T. Rowe Price Investment Management, Inc. | 2.1M | Withheld | ▼−3.4% Reduced · −72K sh | Q2 2026 | |
| 6 | RTW Investments, LP | 1.6M | $51.3M | —Held | Q2 2026 | |
| 7 | Janus Henderson Group Ltd. | 1.5M | $26.0M | ▲New +1.5M sh | Q1 2026 | |
| 8 | Ra Capital Management, L.P. | 1.3M | $42.4M | ▼−13% Reduced · −189K sh | Q2 2026 | |
| 9 | Baker Bros. Advisors LP | 996K | $32.1M | —Held | Q2 2026 | |
| 10 | Octagon Capital Advisors LP | 961K | $31.0M | —Held | Q2 2026 | |
| 11 | Merck & Co., Inc. | 953K | $30.7M | —Held | Q2 2026 | |
| 12 | Vanguard Capital Management LLC | 817K | $26.3M | ▼−2.0% Reduced · −17K sh | Q2 2026 | |
| 13 | Price T Rowe Associates Inc | 763K | $24.6M | ▼−51% Reduced · −801K sh | Q2 2026 | |
| 14 | TCG Crossover Management, LLC | 697K | $22.5M | ▲New +697K sh | Q2 2026 | |
| 15 | Geode Capital Management, LLC | 521K | $16.8M | ▲+5.8% Added · +29K sh | Q2 2026 | |
| 16 | Eventide Asset Management, LLC | 507K | $16.3M | —Held | Q2 2026 | |
| 17 | Avidity Partners Management LP | 484K | $15.6M | ▲+3.3% Added · +16K sh | Q2 2026 | |
| 18 | State Street Corp | 484K | $15.6M | ▲+13% Added · +56K sh | Q2 2026 | |
| 19 | UBS Group AG | 353K | $6.3M | ▲New +353K sh | Q1 2026 | |
| 20 | Alyeska Investment Group, L.P. | 290K | $9.3M | —Held | Q2 2026 | |
| 21 | FMR LLC | 286K | $9.2M | ▼−26% Reduced · −101K sh | Q2 2026 | |
| 22 | ArrowMark Colorado Holdings LLC | 246K | $7.9M | ▼−25% Reduced · −84K sh | Q2 2026 | |
| 23 | Charles Schwab Investment Management Inc | 162K | $2.9M | ▲New +162K sh | Q1 2026 | |
| 24 | Northern Trust Corp | 149K | $2.7M | ▲New +149K sh | Q1 2026 | |
| 25 | Vanguard Portfolio Management LLC | 145K | $4.7M | ▲+21% Added · +25K 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. 1 value row is withheld because the reported units disagree with same-security peers; share counts are unchanged.
Last quarter, 34 funds opened a new position in AKTS and 2 added to an existing one, while 7 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 | 43 funds | $135.8B |
| Amazon.com IncAMZN | 43 funds | $56.7B |
| Microsoft CorpMSFT | 42 funds | $73.8B |
| Advanced Micro DevicesAMD | 42 funds | $25.8B |
| Abbott LaboratoriesABT | 42 funds | $6.2B |
| Alphabet Inc-CL AGOOGL | 41 funds | $56.2B |
| Eli Lilly & CoLLY | 41 funds | $31.4B |
| Micron Technology IncMU | 41 funds | $23.4B |
| Broadcom IncAVGO | 40 funds | $58.8B |
| Lam Research CorpLRCX | 40 funds | $18.7B |
| Arista Networks IncANET | 40 funds | $8.0B |
| Apple IncAAPL | 39 funds | $90.9B |
Ranked by how many of AKTS's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in AKTS.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Jul 20, 2026 | Herrmann Ken | Director | Sell (S) 2 lots, same day | 5K | $119K |
| Jul 17, 2026 | Herrmann Ken | Director | Sell (S) | 3K | $77K |
| Jul 8, 2026 | Ron-Bigger Shulamit | Chief Operating Officer | Sell (S) 3 lots, same day | 50K | $1.4M |
| Jul 8, 2026 | Czibere Akos | Chief Medical Officer | Sell (S) 3 lots, same day | 50K | $1.4M |
| Jan 12, 2026 | Nodelman Oleg | Director | Buy (P) 2 lots, same day | 2.2M | $40.0M |
| Jan 12, 2026 | Kim Helen Susan | Director, 10% Owner | Buy (P) 2 lots, same day | 835K | $15.0M |
| Jan 12, 2026 | Vida Ventures Ii-A, Llc | 10% Owner | Buy (P) 2 lots, same day | 835K | $15.0M |
| Jan 12, 2026 | Gadicke Ansbert | 10% Owner | Buy (P) | 1.1M | $20.0M |
| Jan 12, 2026 | Mpm Oncology Innovations Fund Lp | 10% Owner | Buy (P) | 1.1M | $20.0M |
| Jan 12, 2026 | Foley Todd | Director, 10% Owner | Buy (P) | 233K | $4.2M |
One row per insider, day and transaction code; shares and value are summed across the lots. Every lot is on the full insider page and in the filing.
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 | 8 | 10 | – |
Insiders Form 4 open-market | 0 | 3 | -$3.0M |
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 AKTS
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/AKTS/capital-change-brief"
Use Arkolith's capital_change_brief for AKTS. 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 AKTS. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.