CMCSA COMCAST CORP

BEARISH Impact: 7/10 Institutional Cluster
Horizon weeks Processed 3mo ago
Institutional cluster: 1 buyers, 3 sellers (bearish)
Final — all horizons settled through T+60d
CMCSA ▼ -18.33% at T+60d
SHORT call ✓ call won +18.33% · α vs SPY +27.66% · entry $30.80 → $25.15
Entry anchored
Feb 27, 03:59 PM ET
via Databento tick
T+1d
+0.62%
call -0.62% · α -1.53%
$30.99
settled 3mo ago
T+5d
+0.75%
call -0.75% · α -1.95%
$31.03
settled 3mo ago
T+20d
-6.20%
call +6.20% · α -1.74%
$28.89
settled 3mo ago
T+60d
-18.33%
call +18.33% · α +27.66%
$25.15
settled 15d ago

Executive Summary

Three major institutions reduced their positions in Comcast Corp (CMCSA) in 2025-Q4, with Fidelity, Wells Fargo, and Two Sigma selling a combined $1.37B in shares, while Norges Bank initiated a new $2.50B position. The net selling pressure from large passive and quant funds outweighs the sovereign buyer, signaling institutional skepticism despite a major new entrant.

Key Financial Metrics

Direction
distributing
Buy Value
$2.5B
Sell Value
$1.4B
Net Flow
$1.1B

Institutional Positions

Net institutional flow: $1.1B

▲ Buyers (1)

InstitutionActionChangePosition ValueValue Δ
Norges Bank NEW +0% $2.5B $2.5B

▼ Sellers (3)

InstitutionActionChangePrev ValueValue Δ
Fidelity TRIM -30.4% $3.0B -$1.0B
Wells Fargo TRIM -26.8% $478.8M -$145.4M
Two Sigma EXIT -100% $206.0M -$206.0M

Actionable Insight

Monitor whether Norges Bank's bullish conviction is shared in coming quarters, or if the broad-based trimming by mega-passive and quant funds reflects growing bearish consensus on Comcast's growth outlook.

Key Facts

  • Norges Bank established a new $2.50B position in CMCSA, acquiring 83.59 million shares.
  • Fidelity trimmed its stake by 30.4%, reducing holdings by 29.29 million shares and cutting value by $1.02B.
  • Wells Fargo reduced its position by 26.8%, selling 4.09 million shares and decreasing value by $145.4M.
  • Two Sigma fully exited its $206.0M position, selling all 6.56 million shares.
  • Total institutional outflows amounted to $1.37B, compared to $2.50B in new inflows from a single buyer.

Financial Impact

3 institutions reduced CMCSA holdings by $1.37B while 1 new buyer added $2.50B, resulting in net institutional accumulation of $1.13B but concentrated selling pressure from major passives and a quant fund.

float ownershipinstitutional ownershiptrading volumeinvestor sentiment

Risk Factors

  • Sustained outflows from passive mega-funds like Fidelity and Wells Fargo could pressure the stock despite sovereign buying.
  • Two Sigma's full exit suggests potential model-driven concerns about valuation or cash flow trends.
  • Concentration risk: one buyer accounts for all new buying activity.

Market Snapshot

Exchange
NYSE

Documents Analyzed

This report is based on 1 institutional 13F filing from SEC EDGAR.

DocumentAccession Number
INST-CLUSTER Data (Synthetic)inst-cluster-CMCSA-2025-Q4
2 reports for CMCSA
Performance horizon
Filters
Rows
Reports for CMCSA — sortable, filterable
Type Now
Mar 27, 2026
10w ago
Court Ruling
NEUTRAL ★ 2/10
$28.33 $27.47▼ −3.04%▼ −15.78%
Feb 28, 2026
14w ago
Institutional Cluster
BEARISH ★ 7/10
$30.80 $28.89▲ +6.20%▼ −1.74%
Showing 2 of 2

US Market Status

Market Closed — Opens in 7h 23m

Subscribe to SecBot

Get Real-Time SEC Filing Intelligence

Comprehensive SEC filing analysis delivered the moment filings hit EDGAR. Sentiment scoring, impact analysis, and actionable insights for every material event.

Try SecBot Free Coming soon: SecBot Pro with alerts, watchlists, and API access