Among active 13F managers last quarter, 12 opened and 18 added, while 21 reduced; the largest holder to move was First Light Asset Management, LLC (+24%). Over the last 180 days, 2 insiders sold and none bought, a net -$72K in open-market trades.
The legs disagree, or only one of them leans.
113 tracked 13F filers disclose a position in TECX as of the latest SEC 13F filings, a combined $450.2M 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 | FMR LLC | 2.8M | $97.3M | ▲+0.5% Added · +14K sh | Q2 2026 | |
| 2 | TCG Crossover Management, LLC | 1.2M | $41.4M | —Held | Q2 2026 | |
| 3 | Aberdeen Group plc | 1.1M | $35.3M | —Held | Q1 2026 | |
| 4 | BlackRock, Inc. | 863K | $29.7M | ▲+0.3% Added · +2K sh | Q2 2026 | |
| 5 | First Light Asset Management, LLC | 801K | $27.5M | ▲+24% Added · +153K sh | Q2 2026 | |
| 6 | Baker Bros. Advisors LP | 608K | $20.9M | —Held | Q2 2026 | |
| 7 | 5AM Venture Management, LLC | 607K | $20.9M | —Held | Q2 2026 | |
| 8 | Braidwell LP | 597K | $20.5M | ▼−30% Reduced · −250K sh | Q2 2026 | |
| 9 | Vanguard Capital Management LLC | 489K | $16.8M | ▲+3.2% Added · +15K sh | Q2 2026 | |
| 10 | Vestal Point Capital, LP | 425K | $14.6M | ▲+30% Added · +97K sh | Q2 2026 | |
| 11 | Kennedy Capital Management LLC | 287K | $8.9M | ▲+37% Added · +77K sh | Q1 2026 | |
| 12 | Geode Capital Management, LLC | 270K | $9.3M | ▲+0.8% Added · +2K sh | Q2 2026 | |
| 13 | Marshall Wace, LLP | 230K | $7.1M | ▲+643% Added · +199K sh | Q1 2026 | |
| 14 | Orbimed Advisors LLC | 227K | $7.8M | —Held | Q2 2026 | |
| 15 | State Street Corp | 220K | $7.6M | ▲+3.0% Added · +6K sh | Q2 2026 | |
| 16 | Ikarian Capital, LLC | 206K | $7.1M | ▲+31% Added · +48K sh | Q2 2026 | |
| 17 | Squarepoint Ops LLC | 164K | $5.1M | ▼−18% Reduced · −35K sh | Q1 2026 | |
| 18 | Ameriprise Financial Inc | 143K | $4.4M | ▲New +143K sh | Q1 2026 | |
| 19 | D. E. Shaw & Co., Inc. | 116K | $3.6M | ▼−3.4% Reduced · −4K sh | Q1 2026 | |
| 20 | Wells Fargo & Company | 113K | $3.5M | ▼−6.4% Reduced · −8K sh | Q1 2026 | |
| 21 | Soleus Capital Management, L.P. | 102K | $3.5M | ▼−16% Reduced · −20K sh | Q2 2026 | |
| 22 | Woodline Partners LP | 100K | $3.4M | —Held | Q2 2026 | |
| 23 | Vanguard Portfolio Management LLC | 94K | $3.2M | ▲+48% Added · +31K sh | Q2 2026 | |
| 24 | Citadel Advisors LLC | 90K | $3.1M | ▲Added Added · +90K sh | Q2 2026 | |
| 25 | Northern Trust Corp | 78K | $2.4M | ▲+8.4% Added · +6K 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, 12 funds opened a new position in TECX and 18 added to an existing one, while 21 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 |
|---|---|---|
| Eli Lilly & CoLLY | 49 funds | $38.6B |
| Boston Scientific CorpBSX | 46 funds | $5.6B |
| Insmed IncINSM | 46 funds | $3.8B |
| Revolution Medicines IncRVMD | 46 funds | $3.8B |
| Unitedhealth Group IncUNH | 45 funds | $16.6B |
| Intuitive Surgical IncISRG | 45 funds | $10.9B |
| Abbott LaboratoriesABT | 44 funds | $7.6B |
| Bristol-Myers Squibb CoBMY | 44 funds | $7.3B |
| Alnylam Pharmaceuticals IncALNY | 44 funds | $3.1B |
| Microsoft CorpMSFT | 43 funds | $106.8B |
| Amazon.com IncAMZN | 43 funds | $80.8B |
| Cisco Systems IncCSCO | 43 funds | $13.7B |
Ranked by how many of TECX's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in TECX.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Aug 25, 2026 | McNamara Peter | Chief Scientific Officer | Sell (S) | 43 | $2K |
| Aug 12, 2026 | McNamara Peter | Chief Scientific Officer | Sell (S) | 43 | $2K |
| Jun 30, 2026 | McNamara Peter | Chief Scientific Officer | Sell (S) | 172 | $6K |
| May 4, 2026 | Ruddy Marcella K. | Chief Medical Officer | Sell (S) | 1K | $32K |
| Apr 1, 2026 | Ruddy Marcella K. | Chief Medical Officer | Sell (S) | 1K | $31K |
| Mar 6, 2026 | McNamara Peter | Chief Scientific Officer | Sell (S) 2 lots, same day | 6K | $189K |
| Mar 6, 2026 | Ruddy Marcella K. | Chief Medical Officer | Sell (S) | 10K | $300K |
| Mar 4, 2026 | McNamara Peter | Chief Scientific Officer | Sell (S) | 2K | $41K |
| Mar 3, 2026 | McNamara Peter | Chief Scientific Officer | Sell (S) | 2K | $36K |
| Feb 11, 2026 | Reicin Alise | Chief Executive Officer, Director | Buy (P) | 3K | $53K |
| Feb 10, 2026 | Lochner Daniel | Chief Financial Officer | Buy (P) | 6K | $130K |
| Apr 11, 2025 | Springer Timothy A | Director, 10% Owner | Buy (P) 2 lots, same day | 63K | $1.0M |
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.
The cross-source read for TECX was unavailable for this render. The API and MCP tool answer it live.
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.
No filings captured for this ticker in the live stream yet.
Connected entities for TECX
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/TECX/capital-change-brief"
Use Arkolith's capital_change_brief for TECX. 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 TECX. Filings are public domain, sourced to SEC EDGAR.