Who Owns AJG?
Arthur J. Gallagher & Co. — Institutional Ownership & 13F Holdings
$203.87
-7.79 (-3.68%)
Market Cap
$54.9B
Shares Outstanding
257,100,000
Institutional Holders
1,325
Total Inst. Value
$354.5B
% of Float Held
88.6%
QoQ Holder Change
+528
Institutional data as of Q1 2025
New Positions
335
Closed Positions
133
Increased
471
Decreased
382
Institutional Ownership Trend
Top 10 Institutional Holders(Q1 2025)
| # | Fund | Value | Shares |
|---|---|---|---|
| 1 | Mawer Investment Management Ltd. | $255.2B | 739,307 |
| 2 | CANADA PENSION PLAN INVESTMENT BOARD | $29.9B | 86,536 |
| 3 | VANGUARD GROUP INC | $10.5B | 30,411,264 |
| 4 | BlackRock, Inc. | $7.0B | 20,142,524 |
| 5 | JPMORGAN CHASE & CO | $6.0B | 17,372,745 |
| 6 | FMR LLC | $4.7B | 13,728,232 |
| 7 | Capital World Investors | $4.0B | 11,574,183 |
| 8 | STATE STREET CORP | $3.7B | 10,625,847 |
| 9 | Capital International Investors | $2.5B | 7,225,946 |
| 10 | MORGAN STANLEY | $2.5B | 7,141,464 |
Biggest Buyers & Sellers This Quarter
Top Buyers
| Fund | Shares Added | Value |
|---|---|---|
| CANADA PENSION PLAN INVESTMENT BOARD | +75K | $29.9B |
| VANGUARD GROUP INC | +739K | $10.5B |
| BlackRock, Inc. | +633K | $7.0B |
| JPMORGAN CHASE & CO | +4.8M | $6.0B |
| FMR LLC | +1.8M | $4.7B |
Top Sellers
| Fund | Shares Removed | Value |
|---|---|---|
| Capital International Investors | -2.8M | $2.5B |
| JANE STREET GROUP, LLC | -1.8M | $19.9M |
| Woodline Partners LP | -552K | $4.0M |
| Burkehill Global Management, LP | -365K | $63.9M |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | -358K | $12.8M |
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Frequently Asked Questions
How many institutional investors hold AJG?
As of Q1 2025, 1325 institutional investors report holding AJG (Arthur J. Gallagher & Co.) in their 13F filings.
What percentage of Arthur J. Gallagher & Co. is owned by institutions?
Institutional investors hold approximately 88.6% of Arthur J. Gallagher & Co.'s float as reported in SEC 13F filings.
Which hedge fund owns the most AJG?
The largest institutional holder of AJG is Mawer Investment Management Ltd. with $255.2B in shares.
Are institutions buying or selling AJG?
This quarter, 335 institutions opened new positions in AJG and 133 closed their positions.
What is 13F institutional ownership?
SEC Form 13F is a quarterly report filed by institutional investment managers with over $100M in qualifying assets. It discloses their US equity holdings, providing transparency into what the largest investors are buying and selling.
How often is institutional ownership data updated?
13F filings are due 45 days after each calendar quarter end (May 15, Aug 14, Nov 14, Feb 14). Data is updated on HedgeTrace as new filings are processed.