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Of the 17 tracked institutions holding AJG, 11 have a 3-year clone track record — 10 of them beat the S&P. Average holder's clone alpha: +4.5pt. It's a gauge of who owns the name, not just how many.
Among the 17 tracked institutional investors we monitor, AJG (GALLAGHER ARTHUR J & CO) is held with a combined value of $19.72B across 84,931,141 shares. The largest holder is VANGUARD GROUP INC with a position worth $8.12B (0.12% of their portfolio). 10 funds increased their holdings. 7 funds reduced their position.
Total Institutional Value
$19.72B
Total Shares Held
84,931,141
Institutional Holders
17
% of Shares Outstanding
33.1%
of 256.90M shares · SEC 2026-03-31
Days to Cover
4.3+17.2%
7.99M shares short · FINRA 2026-07-15
Tracked 13F institutions hold 33.1% of AJG's shares outstanding. This is a floor: 13F filings arrive on a ~45-day lag and we track only a subset of institutional filers, so true institutional ownership is higher. Shares-outstanding is the latest SEC cover-page figure (as of 2026-03-31), not a live float.
Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.
0
$0
1
$618.00K
Total Transactions
1
Last 12 months
| Date | Insider | Code | Type | Shares | Value |
|---|---|---|---|---|---|
| Jun 2, 2026 | RICHARD C CARY | S | Sale | 3,000 | $618.00K |
| # | Fund | Value↓ | Portfolio % | Change |
|---|---|---|---|---|
| 1 | VANGUARD GROUP INC | $8.12B | 0.12% | +0.7% |
| 2 | BlackRock, Inc. | $4.18B | 0.07% | +0.4% |
| 3 | FMR LLC | $3.17B | 0.17% | -3.2% |
| 4 | STATE STREET CORP | $2.38B | 0.08% | +0.2% |
| 5 | Capital Research Global Investors | $645.43M | 0.10% | +92.5% |
| 6 | WELLINGTON MANAGEMENT GROUP LLP | $559.50M | 0.10% | -12.9% |
| 7 | CITADEL ADVISORS LLC | $165.18M | 0.12% | +22.2% |
| 8 | VIKING GLOBAL INVESTORS LP | $157.55M | 0.44% | -30.1% |
| 9 | PRICE T ROWE ASSOCIATES INC /MD/ | $108.28M | 0.01% | -11.9% |
| 10 | ADAGE CAPITAL PARTNERS GP, L.L.C. | $73.80M | 0.11% | +113.2% |
| Member | Type | Date |
|---|---|---|
| Alan Armstrong | Buy | Mar 27, 2026 |
| Kelly Louise Morrison | Sell | Mar 8, 2026 |
| Kelly Louise Morrison | Sell | Mar 8, 2026 |
| Kelly Louise Morrison | Sell |
As of the latest SEC 13F filings, VANGUARD GROUP INC is the largest institutional holder of AJG with a position worth $8.12B, representing 0.12% of their portfolio. In total, 17 institutional investors hold AJG with a combined value of $19.72B.
Institutional investors hold $19.72B worth of AJG stock across 17 positions. The largest institutional holder is VANGUARD GROUP INC with $8.12B in holdings.
A 13F filing is a quarterly report required by the SEC from institutional investment managers with over $100 million in assets. It discloses their holdings in U.S. equities. For AJG, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.
Get notified when hedge funds change their AJG positions.
Alpha = the manager's 3-year clone return minus the S&P 500. A skilled roster is a stronger tell than a crowded one — though even skilled managers' edge doesn't reliably survive the 13F disclosure lag. Why →
| Mar 8, 2026 |
| Gilbert Cisneros | Sell | Feb 10, 2026 |
| Gilbert Cisneros | Buy | Dec 19, 2025 |
| Julie Johnson | Sell | Dec 18, 2025 |
| Julie Johnson | Sell | Nov 13, 2025 |
Showing 8 of 18. STOCK Act disclosures lag up to 45 days.
Last Close
$247.77
2026-07-24
YTD
-3.2%
45% of 52-week range
