Abbott Laboratories
MX ˙ BMV ˙ US0028241000
SecurityMX:ABT / Abbott Laboratories
InstitutionGrandfield & Dodd, Llc
Latest Disclosed Ownership14,782 shares
Latest Disclosed Value $ 1,517,771
Grandfield & Dodd, Llc reports 4.97% increase in ownership of ABT / Abbott Laboratories

On May 7, 2026 - Grandfield & Dodd, Llc filed a 13F-HR form disclosing ownership of 14,782 shares of Abbott Laboratories (MX:ABT) valued at $1,517,771 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 10, 2026 disclosing 14,082 shares of Abbott Laboratories. This represents a change in shares of 4.97% 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)
2026-05-07 2026-03-31 13F ABBOTT LABORATORIES COM 002824100 14,782 700 4.97 1,518 -14.00 0.0857
2026-02-10 2025-12-31 13F ABBOTT LABS COM 002824100 14,082 -567 -3.87 1,764 -10.09 0.0999
2025-10-30 2025-09-30 13F ABBOTT LABS COM 002824100 14,649 0 0.00 1,962 -1.51 0.1113
2025-08-08 2025-06-30 13F ABBOTT LABS COM 002824100 14,649 486 3.43 1,993 6.07 0.1167
2025-05-02 2025-03-31 13F ABBOTT LABS COM 002824100 14,163 -24 -0.17 1,879 17.08 0.1165
2025-02-06 2024-12-31 13F ABBOTT LABS COM 002824100 14,187 -88 -0.62 1,605 -1.41 0.0989
2024-11-08 2024-09-30 13F ABBOTT LABS COM 002824100 14,275 -290 -1.99 1,628 7.53 0.0964
2024-08-09 2024-06-30 13F ABBOTT LABS COM 002824100 14,565 -50 -0.34 1,514 -8.91 0.0958
2024-05-06 2024-03-31 13F ABBOTT LABS COM 002824100 14,615 0 0.00 1,661 3.30 0.1048
2024-01-31 2023-12-31 13F ABBOTT LABS COM 002824100 14,615 -38 -0.26 1,609 13.32 0.1112
2023-10-26 2023-09-30 13F ABBOTT LABS COM 002824100 14,653 -142 -0.96 1,419 -12.03 0.1043
2023-08-08 2023-06-30 13F ABBOTT LABS COM 002824100 14,795 -312 -2.07 1,613 5.49 0.1128
2023-04-28 2023-03-31 13F ABBOTT LABS COM 002824100 15,107 857 6.01 1,530 -2.24 0.1069
2023-01-20 2022-12-31 13F ABBOTT LABS COM 002824100 14,250 -28 -0.20 1,565 13.33 0.1145
2022-11-04 2022-09-30 13F ABBOTT LABS COM 002824100 14,278 0 0.00 1,380 -10.97 0.1127
2022-08-01 2022-06-30 13F ABBOTT LABS COM 002824100 14,278 -1,033 -6.75 1,550 -14.36 0.1221
2022-04-19 2022-03-31 13F ABBOTT LABS COM 002824100 15,311 -300 -1.92 1,810 -17.73 0.1228
2022-02-08 2021-12-31 13F ABBOTT LABS COM 002824100 15,611 -173 -1.10 2,200 18.28 0.1415
2021-10-28 2021-09-30 13F ABBOTT LABS COM 002824100 15,784 0 0.00 1,860 1.64 0.1298
2021-07-28 2021-06-30 13F ABBOTT LABS COM 002824100 15,784 -696 -4.22 1,830 -7.58 0.1266
2021-04-22 2021-03-31 13F ABBOTT LABS COM 002824100 16,480 -25 -0.15 1,980 9.39 0.1480
2021-01-29 2020-12-31 13F ABBOTT LABS COM 002824100 16,505 0 0.00 1,810 0.56 0.1420
2020-11-03 2020-09-30 13F ABBOTT LABS COM 002824100 16,505 -171 -1.03 1,800 18.42 0.1621
2020-07-24 2020-06-30 13F ABBOTT LABS COM 002824100 16,676 -80 -0.48 1,520 14.98 0.1471
2020-05-14 2020-03-31 13F ABBOTT LABS COM 002824100 16,756 -196 -1.16 1,322 -10.19 0.1559
2020-02-07 2019-12-31 13F ABBOTT LABS COM 002824100 16,952 0 0.00 1,472 3.81 0.1341
2019-10-30 2019-09-30 13F ABBOTT LABS COM 002824100 16,952 0 0.00 1,418 -0.56 0.1395
2019-07-29 2019-06-30 13F ABBOTT LABS COM 002824100 16,952 0 0.00 1,426 5.24 0.1410
2019-04-26 2019-03-31 13F ABBOTT LABS COM 002824100 16,952 0 0.00 1,355 10.52 0.1411
2019-02-12 2018-12-31 13F ABBOTT LABS COM 002824100 16,952 -281 -1.63 1,226 -3.01 0.1451
2018-11-02 2018-09-30 13F ABBOTT LABS COM 002824100 17,233 -200 -1.15 1,264 18.91 0.1303
2018-07-27 2018-06-30 13F ABBOTT LABS COM 002824100 17,433 -413 -2.31 1,063 -0.56 0.1168
2018-05-04 2018-03-31 13F/A-1 ABBOTT LABS COM 002824100 17,846 -1,449 -7.51 1,069 -2.91 0.1192
2018-05-04 2018-03-31 13F ABBOTT LABS COM 002824100 17,846 -1,449 1,069
2018-02-05 2017-12-31 13F ABBOTT LABS COM 002824100 19,295 -2,312 -10.70 1,101 -4.51 0.1175
2017-11-03 2017-09-30 13F ABBOTT LABS COM 002824100 21,607 -3,562 -14.15 1,153 -5.72 0.1294
2017-07-27 2017-06-30 13F ABBOTT LABS COM 002824100 25,169 -11,788 -31.90 1,223 -25.47 0.1445
2017-04-28 2017-03-31 13F ABBOTT LABS COM 002824100 36,957 22,374 153.43 1,641 193.04 0.2027
2017-02-02 2016-12-31 13F ABBOTT LABS COM 002824100 14,583 1,000 7.36 560 -2.44 0.0726
2016-10-24 2016-09-30 13F ABBOTT LABS COM 002824100 13,583 -135 -0.98 574 6.49 0.0754
2016-07-28 2016-06-30 13F ABBOTT LABS COM 002824100 13,718 0 0.00 539 -6.10 0.0755
2016-05-06 2016-03-31 13F ABBOTT LABS COM 002824100 13,718 899 7.01 574 -0.35 0.0831
2016-02-03 2015-12-31 13F ABBOTT LABS COM 002824100 12,819 1,417 12.43 576 25.49 0.0876
2015-11-02 2015-09-30 13F ABBOTT LABS COM 002824100 11,402 250 2.24 459 -16.09 0.0770
2015-08-03 2015-06-30 13F ABBOTT LABS COM 002824100 11,152 168 1.53 547 7.47 0.0837
2015-05-15 2015-03-31 13F ABBOTT LABS COM 002824100 10,984 0 0.00 509 3.04 0.0778
2015-02-05 2014-12-31 13F ABBOTT LABS COM 002824100 10,984 -19 -0.17 494 7.86 0.0764
2014-11-10 2014-09-30 13F ABBOTT LABS COM 002824100 11,003 269 2.51 458 4.33 0.0720
2014-08-14 2014-06-30 13F ABBOTT LABS COM 002824100 10,734 -90 -0.83 439 5.28 0.0662
2014-05-06 2014-03-31 13F ABBOTT LABS COM 002824100 10,824 706 6.98 417 7.47 0.0655
2014-02-06 2013-12-31 13F ABBOTT LABS COM 002824100 10,118 0 0.00 388 15.48 0.0630
2013-11-04 2013-09-30 13F ABBOTT LABS COM 002824100 10,118 0 0.00 336 -4.82 0.0599
2013-08-01 2013-06-30 13F ABBOTT LABS COM 002824100 10,118 10,118 353 0.0669
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.