Filing excerpt
As of December 31, 2025, we had 2.4 million average monthly active rental listings, including 72,000 multifamily properties listed on Zillow, a 44% increase as compared to December 31, 2024.
Zillow is experiencing rapid growth in its rentals marketplace, with a 44% increase in multifamily properties listed. This expansion is a key revenue driver and necessitates scalable systems for property management, advertising, data analytics, and tenant services.
Filing excerpt
As of December 31, 2025, we had 2.4 million average monthly active rental listings, including 72,000 multifamily properties listed on Zillow, a 44% increase as compared to December 31, 2024.
What this signalsFilings often name leadership changes, deals and spending plans.
sec-10kmarketExpansionGet every 10-K signal for Zillow and the companies you sell to, in the tools you already use.
Connect Autobound to Claude, Claude Code or Cursor with MCP. Then ask: “What changed at Zillow this week?”
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This page shows a preview. The full sec-10k record in the Signal API and MCP can also have these 8 fields. Some fields are empty for some signals.
Company
linkedin_urlValue in the APIindustriesValue in the APIemployee_count_lowValue in the APIemployee_count_highValue in the APIrevenueValue in the APIdescriptionValue in the APISignal
signal_nameValue in the APIassociationValue in the APIGET /v1/signals/c3f7f510-65ba-43b8-9235-9b5d9be12890 returns this record as JSON. POST /v1/companies/enrich returns every signal for zillowgroup.com.
{
"signal_id": "c3f7f510-65ba-43b8-9235-9b5d9be12890",
"signal_type": "sec-10k",
"signal_subtype": "marketExpansion",
"detected_at": "2026-02-17T06:35:09.617+00:00",
"company": {
"name": "Zillow",
"domain": "zillowgroup.com"
},
"data": {
"detail": "Zillow is experiencing rapid growth in its rentals marketplace, with a 44% increase in multifamily properties listed. This expansion is a key revenue driver and necessitates scalable systems for property management, advertising, data analytics, and tenant services.",
"metrics": {
"pct": 0.44,
"timeframe": "current_year",
"pct_context": "Year-over-year increase in multifamily properties listed on Zillow"
},
"summary": "Zillow grew multifamily rental properties by 44% YoY to 72,000 in 2025",
"excerpts": "As of December 31, 2025, we had 2.4 million average monthly active rental listings, including 72,000 multifamily properties listed on Zillow, a 44% increase as compared to December 31, 2024.",
"relevance": 0.85,
"sentiment": "positive",
"confidence": "high",
"source_url": "https://www.sec.gov/Archives/edgar/data/1617640/000161764026000015/z-20251231.htm",
"filing_date": "2026-02-11",
"filing_year": 2026,
"fiscal_year_end": "12/31",
"sales_relevance": "Scaling infrastructure needed",
"signal_category": "market"
}
}
curl https://signals.autobound.ai/v1/signals/c3f7f510-65ba-43b8-9235-9b5d9be12890 \
-H "X-API-KEY: $AUTOBOUND_API_KEY"curl -X POST https://signals.autobound.ai/v1/companies/enrich \
-H "X-API-KEY: $AUTOBOUND_API_KEY" \
-H "Content-Type: application/json" \
-d '{"domain":"zillowgroup.com","limit":20}'Long text fields are shortened on this page.
Looking up one signal by its id is free. Enrich costs 2 credits per signal returned; a call with no results is free.