Albemarle Corporation
Albemarle Corporation (ALB) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · ALB · as of Sep 30, 2025
Ownership Breakdown
831
Institutional Holders
▲ 75 vs Q2
$8.79B
Total Inst. Value
▲ $1.69B vs Q2
117.93M
Shares Outstanding
freeFloat 99.67%
108.15M
13F Shares Held
▼ 5.05M vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
ALB largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
VANGUARD GROUP INC plastic materials, synth resins & nonvulcan elastomers | 14.60M | 12.41% | 12.41% | $1.18T | Nov 7, 2025 | ▼ 123.5K |
CAPITAL WORLD INVESTORS plastic materials, synth resins & nonvulcan elastomers | 8.26M | 7.02% | 7.02% | $669.75B | Nov 13, 2025 | ▲ 20.5K |
BLACKROCK, INC. plastic materials, synth resins & nonvulcan elastomers | 8.21M | 6.98% | 6.98% | $665.56B | Nov 12, 2025 | ▼ 6.8K |
STATE STREET CORP plastic materials, synth resins & nonvulcan elastomers | 5.62M | 4.77% | 4.77% | $457.71B | Nov 14, 2025 | ▼ 1.02M |
FRANKLIN RESOURCES INC plastic materials, synth resins & nonvulcan elastomers | 3.30M | 2.81% | 2.81% | $267.69B | Nov 13, 2025 | ▼ 2.47M |
PRIMECAP MANAGEMENT CO/CA/ plastic materials, synth resins & nonvulcan elastomers | 3.26M | 2.77% | 2.77% | $263.99B | Nov 12, 2025 | ▼ 49.9K |
MORGAN STANLEY plastic materials, synth resins & nonvulcan elastomers | 3.17M | 2.69% | 2.69% | $256.76B | May 27, 2026 | ▲ 789.4K |
SUSQUEHANNA INTERNATIONAL GROUP, LLP plastic materials, synth resins & nonvulcan elastomers | 3.15M | 2.68% | 2.68% | $255.40B | Nov 14, 2025 | ▼ 628.7K |
SUSQUEHANNA INTERNATIONAL GROUP, LLP plastic materials, synth resins & nonvulcan elastomers | 3.10M | 2.63% | 2.63% | $251.04B | Nov 14, 2025 | ▲ 1.19M |
BANK OF AMERICA CORP /DE/ plastic materials, synth resins & nonvulcan elastomers | 3.03M | 2.57% | 2.57% | $245.60B | Feb 3, 2026 | ▲ 671.9K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
30
Increased
+12.56M shares1
New Positions
first time holders19
Decreased
−7.63M shares0
Sold Out
fully exitedNet shares change (top 50)
+4.92M
+12.56M / −7.63M
Net new holders
+12
1 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
ALB insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
0
Buy transactions
0
Sell transactions
0.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Masters J Kent Chairman & CEO | May 15, 2026 | Sale | 3,826 | $183.12 | $700.6K | 100.1K | Form 4 ↗ |
Masters J Kent Chairman & CEO | May 15, 2026 | Sale | 11,867 | $183.87 | $2.18M | 88.2K | Form 4 ↗ |
Masters J Kent Chairman & CEO | May 15, 2026 | Sale | 700 | $184.52 | $129.2K | 87.5K | Form 4 ↗ |
Wolff Alejandro Daniel director | Apr 1, 2026 | Award | 25 | — | — | 13.0K | Form 4 ↗ |
Masters J Kent Chairman & CEO | Mar 10, 2026 | Sale | 5,395 | $170.26 | $918.6K | 141.0K | Form 4 ↗ |
Masters J Kent Chairman & CEO | Mar 10, 2026 | Sale | 5,392 | $171.18 | $923.0K | 135.6K | Form 4 ↗ |
Masters J Kent Chairman & CEO | Mar 10, 2026 | Sale | 996 | $171.82 | $171.1K | 134.6K | Form 4 ↗ |
Masters J Kent Chairman & CEO | Mar 12, 2026 | Gift | 30,716 | $162.79 | $5.00M | 103.9K | Form 4 ↗ |
Wolff Alejandro Daniel director | Jan 2, 2026 | Award | 32 | — | — | 13.0K | Form 4 ↗ |
Wolff Alejandro Daniel director | Oct 1, 2024 | Award | 46 | — | — | 13.0K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Albemarle Corporation (ALB) is primarily owned by institutional investors, who hold approximately 91.7% of total shares outstanding. Company insiders own approximately 0.33%, while retail and public investors account for the remaining 7.97%.
The largest institutional shareholder of Albemarle Corporation is VANGUARD GROUP INC, holding approximately 14.60 million shares — equal to 12.41% of outstanding shares — as of September 30, 2025.
A total of 831 institutional investors currently hold ALB stock, with a combined institutional value of approximately $8.79 billion as of the most recent 13F filing period.
Frequently asked questions
ALB ownershipAlbemarle Corporation (ALB) is primarily owned by institutional investors, who hold approximately 91.7% of shares. The largest shareholder is VANGUARD GROUP INC with a 12.41% stake. Company insiders hold 0.33%. Data sourced from SEC Form 13F as of September 30, 2025.