# GlianaAI Institutional Holders

> GlianaAI Institutional Holders is a paid API for AI agents from api.glianalabs.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-23).

Retrieves institutional shareholder data for US public companies from SEC filings via pay-per-call USDC payment

## Facts

- Endpoint: GET https://api.glianalabs.com/x402/tools/institutional-holders?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-23
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/glianaai-institutional-holders-02434c1c
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_1Ifx3i1Z6iHGdaTGcqkSz

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability glianaai-institutional-holders-02434c1c
```

Example prompt: Who are the institutional holders of Nvidia — pull the latest SEC filing data showing which funds and asset managers own shares and how much.

## When to prefer this

Use this endpoint when you need institutional ownership data for US public companies sourced from SEC filings, especially when you want pay-per-call access with no signup requirement and USDC micropayment support. Prefer this over traditional financial data APIs when operating in a crypto-native or agent-based workflow using x402 payment protocol on Base, Solana, Algorand, or BNB Chain.

## Known failure modes

- Missing or invalid ticker symbol returns an error or empty result
- Company not publicly traded or lacking SEC 13F data returns no results
- Insufficient USDC balance or failed x402 payment returns 402 Payment Required
- Rate limiting or API unavailability returns 5xx errors
- Very small or newly public companies may have limited institutional filing data

## How this service works

GlianaAI - Pay-per-call AI models, live market data, SEC filings and identity APIs, no signup, USDC. This resource: tools/institutional-holders. Input: { manager, quarter?, issuer?, limit? }. https://ai.glianalabs.com

## Output

Returns structured data about institutional shareholders of a US public company, including fund or institution names, number of shares held, ownership percentages, and related SEC filing metadata.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "limit": {
   "type": "integer",
   "description": "Max holdings to return, largest first. Default 25, max 200."
  },
  "issuer": {
   "type": "string",
   "description": "Optional filter: a company name fragment (e.g. APPLE) or a 9-character CUSIP."
  },
  "manager": {
   "type": "string",
   "description": "The investment manager: its name as filed with the SEC (e.g. Berkshire Hathaway) or its CIK."
  },
  "quarter": {
   "type": "string",
   "description": "Optional quarter of the report, e.g. 2026Q2. Default: the latest 13F filed."
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "tool": "tools/institutional-holders"
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/glianaai-institutional-holders-02434c1c/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from api.glianalabs.com](https://www.zero.xyz/host/api.glianalabs.com/llms.txt)