2 tracked 13F filers disclose a position in ATTR as of the latest SEC 13F filings, a combined $94.9M 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 | Insight Advisors, LLC/ PA | $94.5M | 1.0M | ▲+2.5% Added · +25K sh | Q2 2026 | |
| 2 | OLD MISSION CAPITAL LLC | $369K | 4K | ▼−49% Reduced · −4K 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, 0 funds opened a new position in ATTR and 1 added to an existing one, while 1 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 | 2 funds | $363.9M |
| VANGUARD S&P 500 ETFVOO | 2 funds | $134.0M |
| INVESCO QQQ TRUST SERIES 1QQQ | 2 funds | $83.0M |
| TAIWAN SEMICONDUCTOR-SP ADRTSM | 2 funds | $59.4M |
| ISHARES JP MORGAN EM LOCAL CLEMB | 2 funds | $58.6M |
| VANGUARD FTSE DEVELOPED ETFVEA | 2 funds | $57.4M |
| ALPHA ARCHITECT 1-3 MNTH BOXBOXX | 2 funds | $45.1M |
| INVESCO S&P 500 EQUAL WEIGHTRSP | 2 funds | $41.9M |
| TESLA INCTSLA | 2 funds | $41.5M |
| NVIDIA CORPNVDA | 2 funds | $36.9M |
| VANECK SEMICONDUCTOR ETFSMH | 2 funds | $19.6M |
| VANGUARD TOTAL BOND MARKETBND | 2 funds | $16.7M |
Ranked by how many of ATTR's institutional holders also hold each name, a cross-fund conviction signal.
| Class | 13F holders | Value held |
|---|---|---|
| AAEQExchange Traded Fund | 38 funds | $298.1M |
| AAUACom | 33 funds | $233.2M |
| USEWExchange Traded Fund | 33 funds | $126.9M |
| ORRMILITIA LONG/SHO | 33 funds | $78.2M |
| AAUSETF | 25 funds | $332.6M |
| GEWETF | 24 funds | $62.8M |
| FMTMmc | 23 funds | $31.9M |
| GEQETF | 22 funds | $56.5M |
Same issuer, multiple share classes. The consensus leaderboards count this company once across all classes; this is the per-class detail.
No filings captured for this ticker in the live stream yet.
Connected entities for ATTR
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/ATTR/capital-change-brief"
Use Arkolith's capital_change_brief for ATTR. 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 ATTR. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.