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Warren Buffett

PERSON Financials / Investment Banking & Brokerage Momentum 9.1ML Momentum Score (0-100). Weighted composite of 9 features: mention velocity, article breadth, relationship density, deal context, recency, market cap, enrichment completeness, mention concentration, entity type. NORMALPSI regime classification. QUIET (<0.3): baseline activity. NORMAL (0.3-0.5): typical deal flow. ELEVATED (0.5-0.7): above-average signals. HIGH (0.7-0.85): significant activity. EXTREME (>0.85): exceptional signal concentration. Primary: Spectral Shift

$1.1T Berkshire Hathaway (Omaha) conglomerate controlled by Warren Buffett, spanning insurance, utilities, rail, and equity stakes across 100+ companies. CEO Greg Abel shifting portfolio away from payment processors toward airlines and selective equity positions as Buffett's active deal-making declines.

Greg Abel (Berkshire CEO successor) actively rebalancing portfolio: sold Visa/Mastercard stakes, initiated new positions in equities; Berkshire divested significant cash holdings in 2025; strategic shifts in airline (Delta) and financial services exposure.
0.07
PSI ScorePlocamium Signal Index - composite z-score from 5 orthogonal signals: news frequency, targeted sentiment, graph centrality, regulatory filings, and clinical trial activity.
9.1
MomentumML Momentum Score (0-100). Weighted composite of 9 features including mention velocity, article breadth, deal context, and relationship density. Retrained weekly.
1%
ConfidenceSignal confidence - percentage of PSI sub-signals with sufficient data (30+ observations). Higher confidence means the PSI score is based on more complete data.
13
ConnectionsDegree centrality - number of unique entities this entity co-occurs with in news signals and articles. Higher = more connected in the intelligence network.
Connected Entities
Buffett NYSE Fed Apple Wall Street AP UnitedHealth Group Reuters United States Japan Amazon M&A Berkshire Hathaway Inc.
Watch This Entity
PSI Intelligence
30-Day Trend
2026-04-24 2026-05-24 14 0 Degree Mentions
Signal Decomposition
Attention Cascade
3.333
Narrative Drift
0.000
Spectral Shift
566.963
Sentiment-Momentum Divergence
0.000
Source Concentration
0.238
Peer Comparison
Not yet ranked. Sector-relative scoring requires at least four entities in the same BICS sector with PSI history; this entity does not yet meet the threshold or sits in a sector with insufficient peers.
Network Analysis
13 Degree Centrality
Ego Network (top connections)
Buffett (weight 30.0)NYSE (weight 10.0)Fed (weight 6.0)Apple (weight 4.0)Wall Street (weight 4.0)AP (weight 4.0)UnitedHealth Group (weight 3.0)Reuters (weight 3.0) BuffettNYSEFedAppleWall StreetAPUnitedHealth GroupReuters Warren Buffett (degree 13) Warren Buffett
Centrality History
2026-04-24 2026-05-24 14 0 Degree Mentions
EntityWeight StatusFirst Seen
Buffett 30 NEW
NYSE 10 NEW
Fed 6 NEW
Apple 4 NEW
Wall Street 4 NEW
AP 4 NEW
UnitedHealth Group 3 NEW
Reuters 3 NEW
United States 3 NEW
Japan 3 NEW
Amazon 3 NEW
M&A 2 NEW
Berkshire Hathaway Inc. 1 NEW
Article Coverage (0)
DateLaneTitle
No Plocamium-authored coverage yet. This entity surfaces in upstream signals (news, filings, trials) but has not yet been a primary subject of a published article. Watch this entity to be alerted when one is published.

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Data as of 2026-05-24 ← Intelligence Network