Quarter-over-quarter 13F position changes for an institutional manager — Parses
Quarter-over-quarter 13F position changes for an institutional manager — Parses a fund's 13F-HR information tables and diffs the latest quarter against the prior one: new positions, exits, increases, decreases (with share deltas), and the change in top-10 concentration. CIKs may be zero-padded or not.
Answeringour last check, 2026-09-24
1 of 1checks answered this week
583 msmedian answer time
$0.05listed price per call
$0.05price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
GET https://x402-factory.com/v1/edgar/13f/:cik/diff
| Category | Everything else |
|---|---|
| Provider host | x402-factory.com |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 2 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $0.05 | 583 ms |
Example input (from the provider)
{
"method": "GET",
"pathParams": {
"cik": "1067983"
},
"queryParams": {},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"pathParams": {
"properties": {
"cik": {
"pattern": "^\\d{1,10}$",
"type": "string"
}
},
"required": [
"cik"
],
"type": "object"
},
"queryParams": {
"properties": {
"quarter": {
"description": "Defaults to the latest filed quarter",
"pattern": "^\\d{4}Q[1-4]$",
"type": "string"
}
},
"required": [],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}