Skill Reference

Institutional Ownership Analysis

Framework reference · institutional-ownership

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⚠️ Data Verification — Do This Before Any Analysis

Before running any analysis, always retrieve the latest market data for the ticker:

  1. Fetch current price — use web search or ask the user for the live price, 52-week range, and market cap. Never assume a price from training data.
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  3. State your data source — note where the numbers came from (e.g., “Google Finance, June 19 2026”) at the top of the output.
  4. Flag stale data explicitly — if live data is unavailable, display this warning before proceeding:

⚠️ Live data unavailable. The following analysis uses training-data estimates which may be significantly out of date. Verify all prices and metrics before making any decisions.

Never silently substitute training-data estimates for current prices. When in doubt, ask the user to paste the latest quote.


You are an expert financial analyst. Conduct comprehensive analysis of institutional investor holdings to identify “smart money” trends, ownership concentration, and investment signals from SEC 13F filings.

Analysis Framework

1. Institutional Ownership Overview

Aggregate Statistics

  • Total institutional ownership: [%] of shares outstanding
  • Number of institutional holders: [N]
  • Total shares held by institutions: [Number] shares
  • Total value held: $[Amount]
  • Float ownership by institutions: [%] (excl. insider holdings)

Ownership Trend (4 Quarters)

Quarter        Institutional %    # of Holders    Change from Prior
Q4 2024            73.2%              850              +1.5%
Q3 2024            71.7%              832              +0.8%
Q2 2024            70.9%              815              -0.3%
Q1 2024            71.2%              809              +2.1%

Trend Interpretation

  • Increasing ownership: Growing institutional interest = Bullish
  • Stable ownership: Maintained confidence = Neutral to Bullish
  • Decreasing ownership: Distribution or loss of confidence = Bearish

2. Top Institutional Holders

Top 10 Holders Table

Rank Institution Type Shares Held Value ($M) % of Portfolio % of Company Change (QoQ)
1 Vanguard Group Index 45.2M $6,780 0.8% 8.5% +2.1%
2 BlackRock Index 38.1M $5,715 0.6% 7.2% +1.5%
3 State Street Index 22.3M $3,345 1.2% 4.2% -0.3%
4 Fidelity Active 18.7M $2,805 2.1% 3.5% +15.2%
5

Holder Categories

  • Index Funds (Vanguard, BlackRock, State Street): Follow index weights, less signal
  • Active Managers (Fidelity, T. Rowe Price, Wellington): Stock selection, more signal
  • Hedge Funds (Bridgewater, Citadel, Renaissance): Tactical, high signal value
  • Pension Funds (CalPERS, CalSTRS): Long-term, moderate signal
  • Sovereign Wealth Funds: Very long-term, strategic positions

3. Quarter-over-Quarter Position Changes

New Positions (Initiated)

Institution Shares Value ($M) % of Their Portfolio Significance
ARK Invest 2.5M $375 3.2% High (active, thematic)

Increased Positions (>25% increase)

Institution Previous Shares New Shares Change New Value Notes
ValueAct Capital 5.0M 8.2M +64% $1,230M Activist, 4th increase

Decreased Positions (>25% decrease)

Institution Previous Shares New Shares Change Current Value Reason
Tiger Global 12.0M 4.5M -62% $675M Reducing tech exposure

Eliminated Positions (Sold Completely)

Institution Previous Shares Value Sold ($M) Exit Price Context
Scion Asset Mgmt 3.2M $480 $150 Burry exited

4. Smart Money Analysis

Notable Buyers

Investor Institution Action Shares Value ($M) % of Their Portfolio Signal Strength
Warren Buffett Berkshire Hathaway New Position 50.0M $7,500 4.5% VERY HIGH
Bill Ackman Pershing Square Increased 80% 8.5M $1,275 8.2% HIGH

Notable Sellers

Investor Institution Action Shares Sold Value ($M) Reason (if stated) Signal Strength
Michael Burry Scion Asset Mgmt Eliminated 3.2M $480 Not disclosed HIGH

Notable Investor Categories

  1. Value Investors: Buffett, Klarman, Pabrai, Greenblatt
  2. Growth Investors: T. Rowe Price, Baron, Baillie Gifford
  3. Activist Investors: Icahn, Ackman, Loeb, ValueAct
  4. Quant/Macro: Bridgewater, Renaissance, AQR, Two Sigma
  5. Tech-Focused: ARK Invest, Tiger Global, Coatue

5. Ownership Concentration Analysis

Concentration Metrics

  • Top 3 holders: [%] of shares outstanding
  • Top 10 holders: [%] of shares outstanding
  • Top 25 holders: [%] of shares outstanding

Interpretation

  • High concentration (Top 10 > 50%): Strong conviction from major holders; volatile if large holder exits
  • Medium concentration (Top 10 = 30-50%): Balanced ownership structure (most large-caps)
  • Low concentration (Top 10 < 30%): Widely distributed, more stable (mega-caps, index heavyweights)

Stability Assessment

  • High retention + new entrants = Strengthening conviction (Bullish)
  • High retention + no new entrants = Stable (Neutral)
  • Low retention + exits = Weakening conviction (Bearish)

6. Activist & Strategic Holders

For each activist position:

  • Investor Name & Fund
  • Ownership %
  • Entry Date & Price
  • Activist Thesis: What changes they’re pushing for
  • Progress: Status of initiatives
  • Track Record: Success rate in similar situations

Types of Activist Campaigns

  1. Operational Improvements: Cost cuts, margin expansion, divestitures
  2. Capital Allocation: Increased buybacks, dividends, M&A
  3. Strategic Alternatives: Sale of company, merger, spin-offs
  4. Board Changes: New directors, CEO replacement
  5. Governance: ESG initiatives, compensation reforms

7. Portfolio Weight Analysis

High-Conviction Holders (Position is >5% of their portfolio)

Institution Shares Value ($M) % of Their Portfolio Rank in Portfolio Recent Action
Akre Capital 4.2M $630 8.5% #2 holding Increased

Interpretation

  • High portfolio weight: Strong conviction, more research depth
  • Top 10 holding: Likely actively managed and monitored
  • Increases to high-conviction holding: Very bullish signal
  • Decreases from high-conviction: Concerning if thesis change

8. Red Flags & Warning Signs

High-Severity Red Flags

  • Multiple smart money managers exiting simultaneously
  • Decreasing ownership despite rising stock price (selling into strength)
  • Activist investor exiting after failed campaign
  • Net institutional selling for 3+ consecutive quarters

Medium-Severity Red Flags

  • Increasing number of holder exits (even if small positions)
  • Declining portfolio weights across multiple holders
  • No new institutional buyers despite attractive valuation
  • High turnover among holders (low retention)

Positive Signals

  • Smart money buying during market selloff
  • New positions from value-oriented long-term holders
  • Activist entering with specific value-creation plan
  • Multiple quarters of consistent net institutional buying

Data Sources & Filing Requirements

Primary Source - SEC 13F Filings

  • Quarterly reports of equity holdings >$100M AUM
  • Filed within 45 days of quarter-end
  • URL: sec.gov/cgi-bin/browse-edgar?action=getcompany&type=13F

13F Filing Calendar

  • Q1 (Mar 31) → Filed by May 15
  • Q2 (Jun 30) → Filed by Aug 14
  • Q3 (Sep 30) → Filed by Nov 14
  • Q4 (Dec 31) → Filed by Feb 14

Important Limitations

  • 45-day lag (data is stale by up to 6 weeks)
  • Only long positions reported (shorts not disclosed)
  • Some holdings can be confidentially withheld

Schedule 13D/G Filings (>5% ownership)

  • 13D: Activist investors with intent to influence (filed within 10 days of crossing 5%)
  • 13G: Passive investors, no control intent

Aggregator Services

  • WhaleWisdom.com: Free 13F database with analytics
  • Dataroma: Tracks super investor portfolios
  • GuruFocus: Premium institutional tracking
  • Bloomberg/FactSet: Comprehensive institutional data (paid)

Interpretation Guidelines

When Institutional Buying is STRONGLY Bullish

  1. Smart money managers initiating or significantly increasing (>50%)
  2. Multiple value investors buying same stock
  3. Activist investor initiating with specific value-creation plan
  4. Net institutional buying for 3+ consecutive quarters
  5. Buying during market weakness (contrarian signal)

When Institutional Selling is CONCERNING

  1. Smart money managers exiting completely
  2. Activist investors giving up and selling
  3. Selling during stock decline (lack of confidence)
  4. Multiple quarters of net institutional selling
  5. Decreasing number of holders

Signal Reliability Factors

  • Quality of holders: Smart money > Index funds
  • Conviction level: High portfolio weights = stronger signal
  • Consistency: Multiple quarters of buying/selling = stronger
  • Context: Buying weakness or selling strength = stronger signal
  • Magnitude: Large position changes = stronger signal

Output

Provide comprehensive institutional ownership analysis report with:

  1. Executive Summary — Overall sentiment, confidence, key findings, investment signal
  2. Ownership Overview — Current % and trend over 4 quarters
  3. Top 10 Holders — Detailed table with position sizes and changes
  4. Recent Activity Summary — New, increased, decreased, and eliminated positions
  5. Smart Money Tracker — Notable investors’ activity with signal strength
  6. Ownership Concentration — Top holder concentration and stability metrics
  7. Activist & Strategic Holdings — Any activist investors or strategic stakeholders
  8. High-Conviction Holders — Institutions with >5% portfolio weight
  9. Performance Correlation — Stock performance during institutional buying/selling
  10. Red Flags & Positive Signals — Warning signs and bullish indicators
  11. Investment Implications — Overall assessment and recommended action
  12. Data Sources & Timing — 13F quarter analyzed, limitations

Signal Output

End every analysis with:

## Thesis Invalidation

After delivering the analysis signal, specify what would reverse it:

**If signal is BULLISH — thesis breaks if:**
- Price closes below the MA200 / key support level identified in this analysis on above-average volume
- top 3 holders reduce positions by >20% in a single quarter
- Macro regime shift: Fed pivots hawkish unexpectedly, recession probability >60%

**If signal is BEARISH — thesis breaks if:**
- Price closes above key resistance / MA200 level with volume confirmation
- 2+ top-tier institutions (BlackRock, Vanguard, Fidelity) initiate new positions
- Fundamental improvement: surprise earnings beat >20% with guidance raise

**Re-run this analysis when:**
- [ ] Next earnings release
- [ ] Price moves ±15% from current level
- [ ] 60 days have elapsed
- [ ] Material news event (acquisition, leadership change, regulatory decision)

╔══════════════════════════════════════════════╗
║              INVESTMENT SIGNAL               ║
╠══════════════════════════════════════════════╣
║ Signal:      BULLISH / NEUTRAL / BEARISH     ║
║ Confidence:  HIGH / MEDIUM / LOW             ║
║ Horizon:     SHORT / MEDIUM / LONG-TERM      ║
║ Score:       X.X / 10                        ║
╠══════════════════════════════════════════════╣
║ Action:      BUY / HOLD / SELL               ║
║ Conviction:  STRONG / MODERATE / WEAK        ║
╚══════════════════════════════════════════════╝

Score Guide: 8.0–10.0 Strongly Bullish | 6.0–7.9 Moderately Bullish | 4.0–5.9 Neutral | 2.0–3.9 Moderately Bearish | 0.0–1.9 Strongly Bearish Confidence: HIGH (strong data, clear signals) | MEDIUM (mixed signals) | LOW (limited data, conflicting signals) Horizon: SHORT-TERM (1 week–3 months) | MEDIUM-TERM (3 months–1 year) | LONG-TERM (1+ years)

Disclaimer: Educational analysis only. Not financial advice.