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ALB

Albemarle Corp

Company with tickers: ALB, ALB-PA

CIK
915913
CUSIP
012653101
Shares Outstanding
117,934,651
13F Activity (30d)
481 filings 462 filers

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 985
Total Value: $22,189,319,734
Total Shares: 123,596,727
Showing 1–100 of 1,033 holdings by value · page 1 of 11

Institutional Ownership Trend

25 quarters

Holder Concentration

Across 985 13F filers · Δ vs Dec 31, 2025
Top Holder
8.0%
Jun 2023 → Mar 2026 · range 8.0% – 12.9%
−2.9 pts
Top 5
30.6%
Jun 2023 → Mar 2026 · range 27.9% – 37.5%
−2.3 pts
Top 10
45.4%
Jun 2023 → Mar 2026 · range 42.4% – 50.2%
−3.6 pts
HHI
283
Jun 2023 → Mar 2026 · range 273 – 378
Broadly held−49

Quarterly Activity

vs Dec 31, 2025
New
202
Increased
323
Decreased
313
Sold Out
130
Unchanged
147
Holder count: +72
Institutional value: +17.5%
Shares held: -7.4%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Showing 100 of 1,033
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Holder Value (USD) % of 13F Shares Open