Abbott Laboratories
US ˙ NYSE ˙ US0028241000

SecurityABT / Abbott Laboratories
InstitutionDimensional Fund Advisors Lp
Latest Disclosed Ownership8,852,797 shares
Latest Disclosed Value $ 908,918,852
Dimensional Fund Advisors Lp reports 2.04% decrease in ownership of ABT / Abbott Laboratories

On May 7, 2026 - Dimensional Fund Advisors Lp filed a 13F-HR form disclosing ownership of 8,852,797 shares of Abbott Laboratories (US:ABT) valued at $908,916,668 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 12, 2026 disclosing 9,037,035 shares of Abbott Laboratories. This represents a change in shares of -2.04% during the quarter. The current value of the position is $770,104,811 USD.

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 8,852,797 -184,238 -2.04 908,919 -19.73 0.0407
2026-02-12 2025-12-31 13F ABBOTT LABS COM 002824100 9,037,035 17,086 0.19 1,132,281 -6.27 0.2375
2025-11-12 2025-09-30 13F ABBOTT LABS COM 002824100 9,019,949 169,115 1.91 1,208,086 0.36 0.2592
2025-08-12 2025-06-30 13F ABBOTT LABS COM 002824100 8,850,834 -216,144 -2.38 1,203,714 0.09 0.2787
2025-05-13 2025-03-31 13F ABBOTT LABS COM 002824100 9,066,978 -42,233 -0.46 1,202,613 16.72 0.2989
2025-02-13 2024-12-31 13F ABBOTT LABS COM 002824100 9,109,211 595,738 7.00 1,030,334 6.16 0.2475
2024-11-07 2024-09-30 13F ABBOTT LABS COM 002824100 8,513,473 1,084,721 14.60 970,557 25.73 0.2354
2024-08-09 2024-06-30 13F ABBOTT LABS COM 002824100 7,428,752 1,596,835 27.38 771,940 16.46 0.2016
2024-05-10 2024-03-31 13F ABBOTT LABS COM 002824100 5,831,917 605,299 11.58 662,856 15.22 0.1795
2024-02-07 2023-12-31 13F ABBOTT LABS COM 002824100 5,226,618 1,040,046 24.84 575,304 41.87 0.1680
2023-11-09 2023-09-30 13F ABBOTT LABS COM 002824100 4,186,572 97,287 2.38 405,510 -9.04 0.1330
2023-08-09 2023-06-30 13F ABBOTT LABS COM 002824100 4,089,285 -134,761 -3.19 445,792 4.23 0.1421
2023-05-12 2023-03-31 13F ABBOTT LABS COM 002824100 4,224,046 -496,083 -10.51 427,684 82,464.48 0.1441
2023-02-09 2022-12-31 13F ABBOTT LABS COM 002824100 4,720,129 -292,931 -5.84 518 -99.89 0.1531
2022-11-10 2022-09-30 13F ABBOTT LABS COM 002824100 5,013,060 -6,413 -0.13 485,102 -11.05 0.1862
2022-08-12 2022-06-30 13F ABBOTT LABS COM 002824100 5,019,473 -160,596 -3.10 545,359 -11.06 0.1956
2022-05-13 2022-03-31 13F ABBOTT LABS COM 002824100 5,180,069 -59,119 -1.13 613,155 -16.85 0.1889
2022-02-09 2021-12-31 13F ABBOTT LABS COM 002824100 5,239,188 18,935 0.36 737,366 19.57 0.2229
2021-11-12 2021-09-30 13F ABBOTT LABS COM 002824100 5,220,253 -7,505 -0.14 616,700 1.75 0.1986
2021-08-12 2021-06-30 13F ABBOTT LABS COM 002824100 5,227,758 111,491 2.18 606,071 -1.15 0.1919
2021-05-14 2021-03-31 13F ABBOTT LABS COM 002824100 5,116,267 -35,265 -0.68 613,134 8.71 0.2028
2021-03-08 2020-12-31 13F/A-2 ABBOTT LABS COM 002824100 5,151,532 -39,387 -0.76 564,015 -0.14 0.2037
2021-02-11 2020-12-31 13F ABBOTT LABS COM 002824100 5,151,532 -39,387 564,015 203,692.2390
2020-11-12 2020-09-30 13F ABBOTT LABS COM 002824100 5,190,919 -36,392 -0.70 564,801 18.20 0.2395
2020-08-13 2020-06-30 13F ABBOTT LABS COM 002824100 5,227,311 -40,624 -0.77 477,852 14.95 0.2100
2020-05-14 2020-03-31 13F ABBOTT LABS COM 002824100 5,267,935 -118,360 -2.20 415,689 -11.15 0.2166
2020-02-14 2019-12-31 13F ABBOTT LABS COM 002824100 5,386,295 -1,492,664 -21.70 467,854 -18.71 0.1705
2019-11-12 2019-09-30 13F ABBOTT LABS COM 002824100 6,878,959 -1,464,397 -17.55 575,531 -17.98 0.2236
2019-08-13 2019-06-30 13F ABBOTT LABS COM 002824100 8,343,356 -1,143,599 -12.05 701,669 -7.48 0.2724
2019-08-12 2019-03-31 13F/A-2 ABBOTT LABS COM 002824100 9,486,955 -37,406 -0.39 758,381 10.09 0.3020
2019-05-10 2019-03-31 13F ABBOTT LABS COM 002824100 9,486,955 -37,406 758,381
2019-02-26 2018-12-31 13F/A-1 ABBOTT LABS COM 002824100 9,524,361 -154,994 -1.60 688,872 -2.98 0.3121
2019-02-13 2018-12-31 13F ABBOTT LABS COM 002824100 9,524,361 -154,994 688,872
2018-11-13 2018-09-30 13F ABBOTT LABS COM 002824100 9,679,355 201,764 2.13 710,045 22.83 0.2703
2018-08-10 2018-06-30 13F ABBOTT LABS COM 002824100 9,477,591 67,093 0.71 578,069 2.52 0.2305
2018-05-11 2018-03-31 13F ABBOTT LABS COM 002824100 9,410,498 -620,562 -6.19 563,877 -1.51 0.2350
2018-02-12 2017-12-31 13F ABBOTT LABS COM 002824100 10,031,060 -806,721 -7.44 572,506 -1.01 0.2373
2017-11-13 2017-09-30 13F ABBOTT LABS COM 002824100 10,837,781 -884,307 -7.54 578,324 1.49 0.2527
2017-08-11 2017-06-30 13F ABBOTT LABS COM 002824100 11,722,088 2,606,404 28.59 569,830 40.76 0.2631
2017-05-12 2017-03-31 13F ABBOTT LABS COM 002824100 9,115,684 2,320,898 34.16 404,830 55.12 0.1935
2017-02-09 2016-12-31 13F ABBOTT LABS COM 002824100 6,794,786 3,082,971 83.06 260,987 66.28 0.1304
2016-11-10 2016-09-30 13F ABBOTT LABS COM 002824100 3,711,815 246,063 7.10 156,956 15.22 0.0848
2016-08-09 2016-06-30 13F ABBOTT LABS COM 002824100 3,465,752 814,053 30.70 136,225 22.82 0.0784
2016-05-13 2016-03-31 13F ABBOTT LABS COM 002824100 2,651,699 160,637 6.45 110,917 -0.86 0.0664
2016-02-10 2015-12-31 13F ABBOTT LABS COM 002824100 2,491,062 132,689 5.63 111,880 17.96 0.0697
2015-11-13 2015-09-30 13F ABBOTT LABS COM 002824100 2,358,373 193,563 8.94 94,847 -10.73 0.0623
2015-08-14 2015-06-30 13F ABBOTT LABS COM 002824100 2,164,810 165,611 8.28 106,253 14.70 0.0651
2015-05-14 2015-03-31 13F ABBOTT LABS COM 002824100 1,999,199 35,083 1.79 92,632 4.74 0.0585
2015-02-06 2014-12-31 13F ABBOTT LABS COM 002824100 1,964,116 160,726 8.91 88,440 17.90 0.0581
2014-11-13 2014-09-30 13F ABBOTT LABS COM 002824100 1,803,390 -240,032 -11.75 75,012 -10.23 0.0531
2014-08-08 2014-06-30 13F ABBOTT LABS COM 002824100 2,043,422 -35,260 -1.70 83,564 4.39 0.0581
2014-05-14 2014-03-31 13F ABBOTT LABS COM 002824100 2,078,682 37,483 1.84 80,051 2.31 0.0598
2014-02-12 2013-12-31 13F ABBOTT LABS COM 002824100 2,041,199 7,885 0.39 78,241 15.95 0.0610
2013-11-13 2013-09-30 13F ABBOTT LABS COM 002824100 2,033,314 156,985 8.37 67,481 3.09 0.0584
2013-08-15 2013-06-30 13F ABBOTT LABS COM 002824100 1,876,329 1,876,329 65,459 0.0616
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.