Paychex, Inc.
US ˙ NasdaqGS ˙ US7043261079

SecurityPAYX / Paychex, Inc.
InstitutionBoston Research & Management Inc
Latest Disclosed Ownership7,555 shares
Latest Disclosed Value $ 695
Boston Research & Management Inc ownership in PAYX / Paychex, Inc.

On April 10, 2026 - Boston Research & Management Inc filed a 13F-HR form disclosing ownership of 7,555 shares of Paychex, Inc. (US:PAYX) valued at $695,967 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 11, 2026 disclosing 7,555 shares of Paychex, Inc.. The current value of the position is $759,504 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)
2026-04-10 2026-03-31 13F Paychex COM 704326107 7,555 0 0.00 1 0.1651
2026-02-11 2025-12-31 13F Paychex COM 704326107 7,555 0 0.00 1 0.1953
2025-11-12 2025-09-30 13F Paychex COM 704326107 7,555 0 0.00 1 -100.00 0.2111
2025-08-12 2025-06-30 13F Paychex COM 704326107 7,555 0 0.00 1 0.00 0.2624
2025-05-12 2025-03-31 13F Paychex COM 704326107 7,555 -35 -0.46 1 0.00 0.2893
2025-02-12 2024-12-31 13F Paychex COM 704326107 7,590 0 0.00 1 0.00 0.2612
2024-11-12 2024-09-30 13F Paychex COM 704326107 7,590 -25 -0.33 1 0.2391
2024-08-13 2024-06-30 13F Paychex COM 704326107 7,615 0 0.00 1 0.2281
2024-05-14 2024-03-31 13F Paychex COM 704326107 7,615 0 0.00 1 0.2311
2024-02-12 2023-12-31 13F Paychex COM 704326107 7,615 0 0.00 1 0.2408
2023-11-13 2023-09-30 13F Paychex COM 704326107 7,615 -60 -0.78 1 0.2595
2023-08-01 2023-06-30 13F Paychex COM 704326107 7,675 0 0.00 1 0.2429
2023-05-10 2023-03-31 13F Paychex COM 704326107 7,675 0 0.00 1 0.2625
2023-02-13 2022-12-31 13F Paychex COM 704326107 7,675 0 0.00 1 -100.00 0.2741
2022-11-14 2022-09-30 13F Paychex COM 704326107 7,675 0 0.00 861 -1.37 0.2933
2022-08-11 2022-06-30 13F Paychex COM 704326107 7,675 0 0.00 873 -16.62 0.2828
2022-05-12 2022-03-31 13F Paychex COM 704326107 7,675 0 0.00 1,047 0.00 0.3039
2022-02-10 2021-12-31 13F Paychex COM 704326107 7,675 -80 -1.03 1,047 20.07 0.2859
2021-11-10 2021-09-30 13F/A-1 Paychex COM 704326107 7,755 0 0.00 872 4.81 0.2597
2021-11-10 2021-09-30 13F Paychex COM 704326107 7,755 0 760 0.2446
2021-08-11 2021-06-30 13F Paychex COM 704326107 7,755 0 0.00 832 9.47 0.2524
2021-05-11 2021-03-31 13F Paychex COM 704326107 7,755 0 0.00 760 5.26 0.2446
2021-02-09 2020-12-31 13F Paychex COM 704326107 7,755 0 0.00 722 16.83 0.2512
2020-11-09 2020-09-30 13F Paychex COM 704326107 7,755 0 0.00 618 5.28 0.2417
2020-08-10 2020-06-30 13F Paychex COM 704326107 7,755 0 0.00 587 20.53 0.2439
2020-05-08 2020-03-31 13F Paychex COM 704326107 7,755 0 0.00 487 -26.10 0.2445
2020-02-07 2019-12-31 13F Paychex COM 704326107 7,755 0 0.00 659 2.81 0.2472
2019-11-12 2019-09-30 13F Paychex COM 704326107 7,755 0 0.00 641 0.47 0.2535
2019-08-07 2019-06-30 13F Paychex COM 704326107 7,755 0 0.00 638 2.74 0.2580
2019-05-07 2019-03-31 13F Paychex COM 704326107 7,755 0 0.00 621 22.97 0.2587
2019-02-06 2018-12-31 13F Paychex COM 704326107 7,755 0 0.00 505 -11.56 0.2405
2018-11-13 2018-09-30 13F Paychex COM 704326107 7,755 0 0.00 571 7.74 0.2609
2018-07-30 2018-06-30 13F Paychex COM 704326107 7,755 0 0.00 530 11.11 0.2608
2018-05-09 2018-03-31 13F Paychex COM 704326107 7,755 0 0.00 477 -9.49 0.2431
2018-02-09 2017-12-31 13F Paychex COM 704326107 7,755 0 0.00 527 13.58 0.2643
2017-11-09 2017-09-30 13F Paychex COM 704326107 7,755 0 0.00 464 5.22 0.2371
2017-08-08 2017-06-30 13F Paychex COM 704326107 7,755 0 0.00 441 -3.29 0.2386
2017-05-05 2017-03-31 13F Paychex COM 704326107 7,755 0 0.00 456 -3.39 0.2484
2017-02-09 2016-12-31 13F Paychex COM 704326107 7,755 0 0.00 472 5.36 0.2685
2016-11-07 2016-09-30 13F Paychex COM 704326107 7,755 0 0.00 448 -2.82 0.2588
2016-08-10 2016-06-30 13F Paychex COM 704326107 7,755 0 0.00 461 10.29 0.2795
2016-05-13 2016-03-31 13F Paychex COM 704326107 7,755 0 0.00 418 1.95 0.2603
2016-02-11 2015-12-31 13F Paychex COM 704326107 7,755 0 0.00 410 11.11 0.2549
2015-11-09 2015-09-30 13F Paychex COM 704326107 7,755 0 0.00 369 1.65 0.2429
2015-07-31 2015-06-30 13F Paychex COM 704326107 7,755 -120 -1.52 363 -6.92 0.2298
2015-05-11 2015-03-31 13F Paychex COM 704326107 7,875 0 0.00 390 7.44 0.2474
2015-02-11 2014-12-31 13F Paychex COM 704326107 7,875 0 0.00 363 4.31 0.2275
2014-11-04 2014-09-30 13F Paychex COM 704326107 7,875 0 0.00 348 6.42 0.2340
2014-08-12 2014-06-30 13F Paychex COM 704326107 7,875 0 0.00 327 -2.39 0.2260
2014-05-13 2014-03-31 13F Paychex COM 704326107 7,875 0 0.00 335 -6.42 0.2463
2014-02-07 2013-12-31 13F Paychex COM 704326107 7,875 0 0.00 358 11.88 0.2752
2013-11-08 2013-09-30 13F Paychex COM 704326107 7,875 0 0.00 320 11.50 0.2703
2013-08-13 2013-06-30 13F/A-1 Paychex COM 704326107 7,875 7,875 287 0.2552
2013-08-12 2013-06-30 13F Paychex COM 704326107 7,875 287 0.2597
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.