Signal Nodus - which institutions hold a stock
https://api.signalnodus.ai/v1/whoholdsOverview
Every 13F manager whose latest information table names a company: manager, CIK, filing date, accession, and total reporting count. The inverse 13F query; chain into parsed holdings. $0.05 per call, USDC on Base.
Protocol
x402
Price
$0.05
Payment Asset
USDC
Payment Network
base
Category
finance
Provider
Signal Nodus
Source
self-registered
Indexed
2026-08-19 07:34:19
Health
Status
healthy
Latency (p50)
505ms
Uptime (30d)
100.0%
Reliability Score
85/100
Last Checked
2026-08-20 21:29:52
Last Healthy
2026-08-20 21:29:52
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
Valid
Asset Verified
Known USDC
Facilitator
—
Also available via
Recent Health Checks
| Time | Status | HTTP | Latency | Error |
|---|---|---|---|---|
| 2026-08-20 21:29:52 | healthy | 402 | 679ms | |
| 2026-08-20 15:19:53 | healthy | 402 | 637ms | |
| 2026-08-20 08:21:39 | healthy | 402 | 443ms | |
| 2026-08-20 02:53:22 | healthy | 402 | 728ms | |
| 2026-08-19 20:37:26 | healthy | 402 | 468ms | |
| 2026-08-19 18:44:41 | healthy | 402 | 387ms | |
| 2026-08-19 10:39:24 | healthy | 402 | 505ms |