Among active 13F managers last quarter, none opened or added and 2 reduced; the largest holder to move was Two Sigma Investments, LP (−14%). Over the last 180 days, 2 insiders bought and none sold, a net +$400K in open-market trades.
The legs disagree, or only one of them leans.
10 tracked 13F filers disclose a position in NRSN as of the latest SEC 13F filings, a combined $159K 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 | UBS Group AG | 49K | $37K | ▲+59% Added · +18K sh | Q1 2026 | |
| 2 | Two Sigma Investments, LP | 44K | $34K | ▼−14% Reduced · −7K sh | Q1 2026 | |
| 3 | Jane Street Group, LLC | 29K | $22K | ▲New +29K sh | Q1 2026 | |
| 4 | Commonwealth Equity Services, LLC | 23K | $17K | —Held | Q1 2026 | |
| 5 | PNC Financial Services Group, Inc. | 21K | $16K | ▲New +21K sh | Q1 2026 | |
| 6 | Pathstone Holdings, LLC | 17K | $12K | —Held | Q2 2026 | |
| 7 | Geode Capital Management, LLC | 16K | $11K | —Held | Q2 2026 | |
| 8 | Creative Planning | 12K | $9K | —Held | Q1 2026 | |
| 9 | Jones Financial Companies LLLP | 1K | $731 | —Held | Q1 2026 | |
| 10 | SBI Securities Co., Ltd. | 255 | $184 | ▼−3.8% Reduced · −10 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, no active manager opened or added to a position in NRSN, while 2 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 | 2 funds | $2.4B |
| Apple IncAAPL | 2 funds | $1.6B |
| Amazon.com IncAMZN | 2 funds | $1.4B |
| Alphabet Inc-CL AGOOGL | 2 funds | $1.4B |
| Tesla IncTSLA | 2 funds | $1.2B |
| Palantir Technologies Inc-APLTR | 2 funds | $1.0B |
| JPMorgan Chase & CoJPM | 2 funds | $980.7M |
| Micron Technology IncMU | 2 funds | $903.3M |
| Costco Wholesale CorpCOST | 2 funds | $876.0M |
| Mastercard Inc - AMA | 2 funds | $841.0M |
| TJX Companies IncTJX | 2 funds | $837.6M |
| Lockheed Martin CorpLMT | 2 funds | $819.2M |
Ranked by how many of NRSN's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in NRSN.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Jun 16, 2026 | Ben-Noon Alon | Chief Executive Officer | Buy (P) | 250K | $200K |
| Jun 16, 2026 | Eisenberg Or | Chief Financial Officer | Buy (P) | 250K | $200K |
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 | 1 | 2 | – |
Insiders Form 4 open-market | 2 | 0 | +$400K |
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 |
|---|---|---|
| NRSNthis pageORDINARY SHARES | 10 funds | $159K |
| NRSNW*W EXP 11/10/202 | 2 funds | $4K |
Same issuer, multiple share classes. The consensus leaderboards count this company once across all classes; this is the per-class detail.
Connected entities for NRSN
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/NRSN/capital-change-brief"
Use Arkolith's capital_change_brief for NRSN. 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 NRSN. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.