Zillow is aggressively expanding its rentals marketplace, resulting in a 44% year-over-year increase in listed multifamily properties. This growth is supported by key syndication and service partnerships, indicating a need for platform integration services, data syndication technologies, and tools to manage a rapidly scaling partner ecosystem.
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.
Vendors
sec-10kdigitalTransformationGet 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/c8562a0a-9ab7-4b1d-95cd-f91f349253d3 returns this record as JSON. POST /v1/companies/enrich returns every signal for zillowgroup.com.
{
"signal_id": "c8562a0a-9ab7-4b1d-95cd-f91f349253d3",
"signal_type": "sec-10k",
"signal_subtype": "digitalTransformation",
"detected_at": "2026-02-17T06:35:09.617+00:00",
"company": {
"name": "Zillow",
"domain": "zillowgroup.com"
},
"data": {
"detail": "Zillow is aggressively expanding its rentals marketplace, resulting in a 44% year-over-year increase in listed multifamily properties. This growth is supported by key syndication and service partnerships, indicating a need for platform integration services, data syndication technologies, and tools to manage a rapidly scaling partner ecosystem.",
"metrics": {
"pct": 0.44,
"timeframe": "current_year",
"pct_context": "year-over-year increase in multifamily properties listed on Zillow"
},
"summary": "Zillow grew multifamily properties by 44% in 2025 through partnerships with Redfin, Realtor.com, and Esusu.",
"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": 0.8,
"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": "Multi-year tech investment",
"signal_category": "strategic",
"vendors_mentioned": [
"Realtor.com",
"Redfin",
"AppFolio",
"Esusu"
],
"competitors_mentioned": [
"Redfin",
"Realtor.com"
]
}
}
curl https://signals.autobound.ai/v1/signals/c8562a0a-9ab7-4b1d-95cd-f91f349253d3 \
-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.