Arthur J. Gallagher & Co.
MX ˙ BMV ˙ US3635761097
SecurityMX:AJG / Arthur J. Gallagher & Co.
InstitutionSecurian Asset Management, Inc
Latest Disclosed Ownership6,983 shares
Latest Disclosed Value $ 1,512,378
Securian Asset Management, Inc ownership in AJG / Arthur J. Gallagher & Co.

On May 1, 2026 - Securian Asset Management, Inc filed a 13F-HR form disclosing ownership of 6,983 shares of Arthur J. Gallagher & Co. (MX:AJG) valued at $1,512,378 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 4, 2026 disclosing 6,983 shares of Arthur J. Gallagher & Co.. This represents a change in shares of 0.00% during the quarter.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-05-01 2026-03-31 13F GALLAGHER ARTHUR J COM 363576109 6,983 0 0.00 1,512 -16.33 0.0599
2026-02-04 2025-12-31 13F GALLAGHER ARTHUR J COM 363576109 6,983 -5,415 -43.68 1,807 -52.94 0.0685
2025-10-23 2025-09-30 13F GALLAGHER ARTHUR J COM 363576109 12,398 -983 -7.35 3,840 -10.34 0.1017
2025-07-30 2025-06-30 13F GALLAGHER ARTHUR J COM 363576109 13,381 -60 -0.45 4,284 -7.69 0.1221
2025-05-01 2025-03-31 13F GALLAGHER ARTHUR J COM 363576109 13,441 -13 -0.10 4,640 21.53 0.1410
2025-02-10 2024-12-31 13F GALLAGHER ARTHUR J COM 363576109 13,454 1,393 11.55 3,819 12.53 0.1112
2024-11-13 2024-09-30 13F GALLAGHER ARTHUR J COM 363576109 12,061 -544 -4.32 3,394 3.82 0.0979
2024-07-15 2024-06-30 13F GALLAGHER ARTHUR J COM 363576109 12,605 -155 -1.21 3,269 2.45 0.0954
2024-04-26 2024-03-31 13F GALLAGHER ARTHUR J COM 363576109 12,760 -938 -6.85 3,191 3.57 0.0936
2024-02-08 2023-12-31 13F GALLAGHER ARTHUR J COM 363576109 13,698 -1,677 -10.91 3,080 -12.10 0.0873
2023-10-30 2023-09-30 13F GALLAGHER ARTHUR J COM 363576109 15,375 -2,446 -13.73 3,504 -10.43 0.1047
2023-08-07 2023-06-30 13F GALLAGHER ARTHUR J COM 363576109 17,821 24 0.13 3,913 14.92 0.1005
2023-04-27 2023-03-31 13F GALLAGHER ARTHUR J COM 363576109 17,797 141 0.80 3,405 2.28 0.0908
2023-02-03 2022-12-31 13F GALLAGHER ARTHUR J COM 363576109 17,656 282 1.62 3,329 166,300.00 0.0931
2022-10-28 2022-09-30 13F GALLAGHER ARTHUR J COM 363576109 17,374 100 0.58 3 0.00 0.0887
2022-08-04 2022-06-30 13F GALLAGHER ARTHUR J COM 363576109 17,274 13 0.08 3 -33.33 0.0675
2022-05-03 2022-03-31 13F GALLAGHER ARTHUR J COM 363576109 17,261 7 0.04 3 50.00 0.0589
2022-02-10 2021-12-31 13F GALLAGHER ARTHUR J COM 363576109 17,254 -100 -0.58 3 0.00 0.0540
2021-11-08 2021-09-30 13F GALLAGHER ARTHUR J COM 363576109 17,354 -100 -0.57 3 0.00 0.0530
2021-08-10 2021-06-30 13F GALLAGHER ARTHUR J COM 363576109 17,454 963 5.84 2 0.00 0.0497
2021-05-10 2021-03-31 13F GALLAGHER ARTHUR J COM 363576109 16,491 -511 -3.01 2 0.00 0.0447
2021-02-08 2020-12-31 13F GALLAGHER ARTHUR J COM 363576109 17,002 -472 -2.70 2 -99.89 0.0476
2020-11-04 2020-09-30 13F Arthur J Gallagher COMMON STOCK 363576109 17,474 -88 -0.50 1,845 7.77 0.0447
2020-08-06 2020-06-30 13F Arthur J Gallagher COMMON STOCK 363576109 17,562 -834 -4.53 1,712 14.21 0.0438
2020-05-07 2020-03-31 13F Arthur J Gallagher COMMON STOCK 363576109 18,396 -293 -1.57 1,499 -15.79 0.0423
2020-02-04 2019-12-31 13F Arthur J Gallagher COMMON STOCK 363576109 18,689 -470 -2.45 1,780 3.73 0.0393
2019-11-12 2019-09-30 13F Arthur J Gallagher COMMON STOCK 363576109 19,159 -100 -0.52 1,716 171,500.00 0.0393
2019-08-05 2019-06-30 13F Arthur J Gallagher COMMON STOCK 363576109 19,259 289 1.52 2 0.00 0.0391
2019-04-26 2019-03-31 13F Arthur J Gallagher COMMON STOCK 363576109 18,970 137 0.73 1 0.00 0.0353
2019-02-04 2018-12-31 13F Arthur J Gallagher COMMON STOCK 363576109 18,833 276 1.49 1 0.00 0.0373
2018-10-26 2018-09-30 13F Arthur J Gallagher COMMON STOCK 363576109 18,557 220 1.20 1 0.00 0.0328
2018-08-09 2018-06-30 13F Arthur J Gallagher COMMON STOCK 363576109 18,337 94 0.52 1 0.00 0.0297
2018-04-30 2018-03-31 13F Arthur J Gallagher COMMON STOCK 363576109 18,243 -100 -0.55 1 0.00 0.0322
2018-02-05 2017-12-31 13F Arthur J Gallagher COMMON STOCK 363576109 18,343 187 1.03 1 0.00 0.0287
2017-11-03 2017-09-30 13F Arthur J Gallagher COMMON STOCK 363576109 18,156 178 0.99 1 0.00 0.0290
2017-08-14 2017-06-30 13F Arthur J Gallagher COMMON STOCK 363576109 17,978 103 0.58 1 0.00 0.0271
2017-05-11 2017-03-31 13F Arthur J Gallagher COMMON STOCK 363576109 17,875 70 0.39 1 9.30 0.0271
2017-02-10 2016-12-31 13F Arthur J Gallagher COMMON STOCK 363576109 17,805 378 2.17 1 4.28 0.0247
2016-11-14 2016-09-30 13F Arthur J Gallagher COMMON STOCK 363576109 17,427 166 0.96 1 7.91 0.0240
2016-08-10 2016-06-30 13F Arthur J Gallagher COMMON STOCK 363576109 17,261 -6,603 -27.67 1 -100.00 0.0230
2016-11-08 2016-03-31 13F/A-1 Arthur J Gallagher COMMON STOCK 363576109 23,864 701 3.03 1 11.92 0.0306
2016-05-09 2016-03-31 13F Arthur J Gallagher COMMON STOCK 363576109 23,864 1,061
2016-11-08 2015-12-31 13F/A-1 Arthur J Gallagher COMMON STOCK 363576109 23,163 -1,131 -4.66 1 -100.00 0.0282
2016-02-10 2015-12-31 13F Arthur J Gallagher COMMON STOCK 363576109 23,163 948
2016-11-08 2015-09-30 13F/A-1 Arthur J Gallagher COMMON STOCK 363576109 24,294 573 2.42 1 0.00 0.0329
2015-11-12 2015-09-30 13F Arthur J Gallagher COMMON STOCK 363576109 24,294 1,003
2016-11-08 2015-06-30 13F/A-2 Arthur J Gallagher COMMON STOCK 363576109 23,721 241 1.03 1 0.00 0.0350
2015-08-10 2015-06-30 13F Arthur J Gallagher COMMON STOCK 363576109 23,721 1,122
2016-11-08 2015-03-31 13F/A-2 Arthur J Gallagher COMMON STOCK 363576109 23,480 919 4.07 1 0.00 0.0320
2015-04-27 2015-03-31 13F Arthur J Gallagher COMMON STOCK 363576109 23,480 1,098
2016-11-08 2014-12-31 13F/A-2 Arthur J Gallagher COMMON STOCK 363576109 22,561 107 0.48 1 0.00 0.0329
2016-11-08 2014-09-30 13F/A-2 Arthur J Gallagher COMMON STOCK 363576109 22,454 443 2.01 1 0.00 0.0346
2014-10-28 2014-09-30 13F Arthur J Gallagher COMMON STOCK 363576109 22,454 1,019
2016-11-08 2014-06-30 13F/A-2 Arthur J Gallagher COMMON STOCK 363576109 22,011 2,694 13.95 1 11.64 0.0347
2014-08-01 2014-06-30 13F Arthur J Gallagher COMMON STOCK 363576109 22,011 1,026
2016-11-08 2014-03-31 13F/A-2 Arthur J Gallagher COMMON STOCK 363576109 19,317 309 1.63 1 3.03 0.0333
2014-05-07 2014-03-31 13F Arthur J Gallagher COMMON STOCK 363576109 19,317 919,103
2016-11-08 2013-12-31 13F/A-2 Arthur J Gallagher COMMON STOCK 363576109 19,008 -13 -0.07 1 7.47 0.0337
2014-01-23 2013-12-31 13F Arthur J Gallagher COMMON STOCK 363576109 19,008 892,045
2016-11-08 2013-09-30 13F/A-2 Arthur J Gallagher COMMON STOCK 363576109 19,021 0 0.00 1 -0.12 0.0334
2013-11-08 2013-09-30 13F Arthur J Gallagher COMMON STOCK 363576109 19,021 830
2016-11-08 2013-06-30 13F/A-2 Arthur J Gallagher COMMON STOCK 363576109 19,021 100 0.53 1 6.27 0.0337
2013-08-13 2013-06-30 13F Arthur J Gallagher COMMON STOCK 363576109 19,021 831
2016-11-08 2013-03-31 13F/A-2 Arthur J Gallagher COMMON STOCK 363576109 18,921 100 0.53 1 19.94 0.0319
2016-11-08 2012-12-31 13F/A-2 Arthur J Gallagher COMMON STOCK 363576109 18,821 547 2.99 1 -0.46 0.0290
2016-11-08 2012-09-30 13F/A-2 Arthur J Gallagher COMMON STOCK 363576109 18,274 588 3.32 1 5.65 0.0293
2016-11-08 2012-06-30 13F/A-2 Arthur J Gallagher COMMON STOCK 363576109 17,686 293 1.68 1 -0.32 0.0291
2016-11-08 2012-03-31 13F/A-2 Arthur J Gallagher COMMON STOCK 363576109 17,393 179 1.04 1 7.99 0.0280
2016-11-08 2011-12-31 13F/A-2 Arthur J Gallagher COMMON STOCK 363576109 17,214 409 2.43 1 30.32 0.0294
2016-11-08 2011-09-30 13F/A-2 Arthur J Gallagher COMMON STOCK 363576109 16,805 16,805 0 0.0254
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.