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Warren Buffett

PERSON Financials / Investment Banking & Brokerage Momentum 8.2ML 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) under Warren Buffett controls one of the world's largest diversified holding companies spanning insurance, energy, rail, and equities. Recent signal shows Buffett personally directing major new stock position, signaling active portfolio management despite leadership transition planning.

Berkshire Hathaway made a significant new equity position recently; Buffett personally directed this investment decision rather than delegating to successor Greg Abel.
0.96
PSI ScorePlocamium Signal Index - composite z-score from 5 orthogonal signals: news frequency, targeted sentiment, graph centrality, regulatory filings, and clinical trial activity.
8.2
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.
24
ConnectionsDegree centrality - number of unique entities this entity co-occurs with in news signals and articles. Higher = more connected in the intelligence network.
Warren Buffett is graph community structure is reorganizing around this entity — relationship patterns are changing (primary driver: Spectral Shift).
Connected Entities
Berkshire Hathaway Alphabet CNBC NYSE Jeffrey Epstein Wall Street Apple Nvidia Fed S&P 500 AP Microsoft Oracle UnitedHealth Group Reuters
Watch This Entity
PSI Intelligence
30-Day Trend
2026-08-09 2026-09-03 26 0 Degree Mentions
Signal Decomposition
Attention Cascade
3.333
Narrative Drift
0.062
Spectral Shift
480.450
Sentiment-Momentum Divergence
0.000
Source Concentration
0.241
Signal
Warren Buffett is graph community structure is reorganizing around this entity — relationship patterns are changing (primary driver: Spectral Shift).
Driver
Ranked #16 of 124 in Financials — above 88% of sector peers. PSI stable vs yesterday (0.20).
Action
Baseline conditions. Continue standard monitoring cadence.
Peer Comparison
16 of 124
Sector Rank
+1.13
Peer Z-Score
88%
Sector Percentile
Network Analysis
24 Degree Centrality
Ego Network (top connections)
Berkshire Hathaway (weight 98.0)Alphabet (weight 25.0)CNBC (weight 15.0)NYSE (weight 13.0)Jeffrey Epstein (weight 13.0)Wall Street (weight 13.0)Apple (weight 9.0)Nvidia (weight 8.0) Berkshire HathawayAlphabetCNBCNYSEJeffrey EpsteinWall StreetAppleNvidia Warren Buffett (degree 24) Warren Buffett
Centrality History
2026-08-09 2026-09-03 26 0 Degree Mentions
EntityWeight StatusFirst Seen
Berkshire Hathaway 98 NEW
Alphabet 25 NEW
CNBC 15 NEW
NYSE 13 NEW
Jeffrey Epstein 13 NEW
Wall Street 13 NEW
Apple 9 NEW
Nvidia 8 NEW
Fed 6 NEW
S&P 500 6 NEW
AP 4 NEW
Microsoft 3 NEW
Oracle 3 NEW
UnitedHealth Group 3 NEW
Reuters 3 NEW
United States 3 NEW
Iran 3 NEW
Japan 3 NEW
Amazon 3 NEW
NASDAQ 3 NEW
SpaceX 2 NEW
White House 2 NEW
Christina Ruffini 2 NEW
David Gura 2 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 2026-09-03 ← Intelligence Network