3 tracked 13F filers disclose a position in NFRX as of the latest SEC 13F filings, a combined $9.5M 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 | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | GTS SECURITIES LLC | $7.9M | 295K | ▲New +295K sh | Q1 2026 | |
| 2 | JANE STREET GROUP, LLC | $1.0M | 38K | ▲New +38K sh | Q1 2026 | |
| 3 | CITADEL ADVISORS LLC | $648K | 24K | ▲New +24K 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, 2 funds opened a new position in NFRX, while 0 reduced and 0 exited entirely — 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 | Combined value |
|---|---|---|
| SS SPDR S&P 500 ETF TRUST-USSPY | 3 funds | $13.5B |
| NVIDIA CORPNVDA | 3 funds | $3.5B |
| ISHARES CORE S&P 500 ETFIVV | 3 funds | $2.8B |
| AMAZON.COM INCAMZN | 3 funds | $2.6B |
| BROADCOM INCAVGO | 3 funds | $2.5B |
| MICRON TECHNOLOGY INCMU | 3 funds | $2.2B |
| PALANTIR TECHNOLOGIES INC-APLTR | 3 funds | $1.7B |
| SS SPDR DOW JONES INDUS AVGDIA | 3 funds | $1.6B |
| TAIWAN SEMICONDUCTOR-SP ADRTSM | 3 funds | $1.6B |
| APPLE INCAAPL | 3 funds | $1.5B |
| SANDISK CORPSNDK | 3 funds | $1.5B |
| T-MOBILE US INCTMUS | 3 funds | $1.5B |
Ranked by how many of NFRX's institutional holders also hold each name, a cross-fund conviction signal.
This ETF 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/NFRX/capital-change-brief"
Use Arkolith's capital_change_brief for NFRX. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
13F holdings + quarter-over-quarter ownership changes + end-of-day price history + the live filing stream, joined for NFRX. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.