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Chesley Taft & Associates LLC

Position in ABT — Abbott Laboratories

CIK 1164632 CHICAGO, IL

Position in ABT

as of Jun 30, 2026 · filed Jul 8, 2026
Position Value
$25,378,525
+$467,806 QoQ
Shares Held
279,684
+15.3% QoQ
Ownership
0.016%
of shares outstanding
% of Portfolio
1.34%
of 13F equity value
Holder Rank
#299
of 2,959 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 64% Shared 0% None 36%

Common Shares in ABT Over Time

Shares Held

Position Value (USD)

Position in Medical Devices

Healthcare · as of Jun 30, 2026

Chesley Taft & Associates LLC holds $71,609,069 across 3 Medical Devices names. ABT ranks #2 (35.4% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 ABT
Abbott Laboratories
This page
279,684 $25,378,525

All Filings in ABT

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26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $25,378,525 279,684
2026-03-31 $24,910,719 242,629
2025-12-31 $30,291,488 241,771
2025-09-30 $29,890,318 223,162
2025-06-30 $31,644,630 232,664
2025-03-31 $31,048,324 234,062
2024-12-31 $26,881,722 237,660
2024-09-30 $26,925,627 236,169
2024-06-30 $24,735,463 238,047
2024-03-31 $26,970,381 237,290
2023-12-31 $26,141,735 237,501
2023-09-30 $22,892,725 236,373
2023-06-30 $25,774,508 236,420
2023-03-31 $24,237,694 239,361
2022-12-31 $26,460,927 241,014
2022-09-30 $26,685,924 275,795
2022-06-30 $30,168,193 277,664
2022-03-31 $33,041,614 279,162
2021-12-31 $39,891,908 283,444
2021-09-30 $33,437,405 283,056
2021-06-30 $32,899,195 283,785
2021-03-31 $34,649,698 289,133
2020-12-31 $32,483,164 296,677
2020-09-30 $33,399,600 306,897
2020-06-30 $28,501,839 311,734
2020-03-31 $24,972,726 316,471