Paychex, Inc.
US ˙ NasdaqGS ˙ US7043261079

SecurityPAYX / Paychex, Inc.
InstitutionBoston Trust Walden Corp
Latest Disclosed Ownership149,629 shares
Latest Disclosed Value $ 13,783,823
Boston Trust Walden Corp reports 3.94% decrease in ownership of PAYX / Paychex, Inc.

On April 24, 2026 - Boston Trust Walden Corp filed a 13F-HR form disclosing ownership of 149,629 shares of Paychex, Inc. (US:PAYX) valued at $13,783,823 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 28, 2026 disclosing 155,763 shares of Paychex, Inc.. This represents a change in shares of -3.94% during the quarter. The current value of the position is $14,730,975 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)
2026-04-24 2026-03-31 13F PAYCHEX COMMON STOCK 704326107 149,629 -6,134 -3.94 13,784 -21.12 0.0678
2026-01-28 2025-12-31 13F PAYCHEX COMMON STOCK 704326107 155,763 8,995 6.13 17,473 -6.08 0.1319
2025-10-17 2025-09-30 13F PAYCHEX COMMON STOCK 704326107 146,768 -189 -0.13 18,604 -12.97 0.1365
2025-07-28 2025-06-30 13F PAYCHEX COMMON STOCK 704326107 146,957 -2,279 -1.53 21,376 -7.16 0.1525
2025-04-21 2025-03-31 13F PAYCHEX COMMON STOCK 704326107 149,236 -16,522 -9.97 23,024 -0.94 0.1682
2025-01-24 2024-12-31 13F PAYCHEX COMMON STOCK 704326107 165,758 154 0.09 23,243 4.59 0.1631
2024-10-24 2024-09-30 13F PAYCHEX COMMON STOCK 704326107 165,604 -1,797 -1.07 22,222 11.97 0.1546
2024-07-19 2024-06-30 13F PAYCHEX COMMON STOCK 704326107 167,401 1,949 1.18 19,847 -2.31 0.1472
2024-04-22 2024-03-31 13F PAYCHEX COMMON STOCK 704326107 165,452 -2,089 -1.25 20,318 1.81 0.1449
2024-01-24 2023-12-31 13F PAYCHEX COMMON STOCK 704326107 167,541 3,455 2.11 19,956 5.45 0.1506
2023-10-18 2023-09-30 13F PAYCHEX COMMON STOCK 704326107 164,086 1,152 0.71 18,924 3.82 0.1586
2023-07-24 2023-06-30 13F PAYCHEX COMMON STOCK 704326107 162,934 8,055 5.20 18,227 2.70 0.1495
2023-04-19 2023-03-31 13F PAYCHEX COMMON STOCK 704326107 154,879 43,615 39.20 17,748 38.03 0.1532
2023-01-20 2022-12-31 13F PAYCHEX COMMON STOCK 704326107 111,264 60 0.05 12,858 3.04 0.1131
2022-10-19 2022-09-30 13F PAYCHEX COMMON STOCK 704326107 111,204 -1,255 -1.12 12,478 -2.56 0.1236
2022-07-22 2022-06-30 13F PAYCHEX COMMON STOCK 704326107 112,459 -19,850 -15.00 12,806 -29.08 0.1210
2022-04-20 2022-03-31 13F PAYCHEX COMMON STOCK 704326107 132,309 2,409 1.85 18,056 1.83 0.1491
2022-01-21 2021-12-31 13F PAYCHEX COMMON STOCK 704326107 129,900 -3,300 -2.48 17,731 18.38 0.1424
2021-10-25 2021-09-30 13F PAYCHEX COMMON STOCK 704326107 133,200 -1,550 -1.15 14,978 3.59 0.1326
2021-07-22 2021-06-30 13F PAYCHEX COMMON STOCK 704326107 134,750 -3,300 -2.39 14,459 6.85 0.1286
2021-04-21 2021-03-31 13F PAYCHEX COMMON STOCK 704326107 138,050 -2,745 -1.95 13,532 3.15 0.1310
2021-01-15 2020-12-31 13F PAYCHEX COMMON STOCK 704326107 140,795 -1,945 -1.36 13,119 15.22 0.1399
2020-10-14 2020-09-30 13F PAYCHEX COMMON STOCK 704326107 142,740 -2,414 -1.66 11,386 3.55 0.1418
2020-07-23 2020-06-30 13F PAYCHEX COMMON STOCK 704326107 145,154 200 0.14 10,996 20.57 0.1485
2020-04-24 2020-03-31 13F/A-1 PAYCHEX COMMON STOCK 704326107 144,954 3,425 2.42 9,120 -24.25 0.1453
2020-04-21 2020-03-31 13F PAYCHEX COMMON STOCK 704326107 144,954 3,425 9,120 80,869.8044
2020-01-10 2019-12-31 13F PAYCHEX COMMON STOCK 704326107 141,529 -3,622 -2.50 12,039 0.21 0.1401
2019-10-21 2019-09-30 13F PAYCHEX COMMON STOCK 704326107 145,151 15,350 11.83 12,014 12.47 0.1510
2019-07-25 2019-06-30 13F PAYCHEX COMMON STOCK 704326107 129,801 7,550 6.18 10,682 8.96 0.1390
2019-04-16 2019-03-31 13F PAYCHEX COMMON STOCK 704326107 122,251 13,217 12.12 9,804 38.01 0.1335
2019-01-17 2018-12-31 13F PAYCHEX COMMON STOCK 704326107 109,034 23,600 27.62 7,104 12.91 0.1130
2018-10-23 2018-09-30 13F PAYCHEX COMMON STOCK 704326107 85,434 -800 -0.93 6,292 6.75 0.0867
2018-07-25 2018-06-30 13F PAYCHEX COMMON STOCK 704326107 86,234 20,325 30.84 5,894 45.21 0.0865
2018-04-13 2018-03-31 13F PAYCHEX COMMON STOCK 704326107 65,909 1,100 1.70 4,059 -8.00 0.0616
2018-01-29 2017-12-31 13F PAYCHEX COMMON STOCK 704326107 64,809 2,270 3.63 4,412 17.65 0.0647
2017-10-13 2017-09-30 13F PAYCHEX COMMON STOCK 704326107 62,539 14,160 29.27 3,750 36.12 0.0584
2017-07-19 2017-06-30 13F PAYCHEX COMMON STOCK 704326107 48,379 369 0.77 2,755 -2.55 0.0443
2017-04-24 2017-03-31 13F PAYCHEX COMMON STOCK 704326107 48,010 650 1.37 2,827 -1.98 0.0441
2017-02-07 2016-12-31 13F/A-1 PAYCHEX COMMON STOCK 704326107 47,360 675 1.45 2,884 6.78 0.0455
2017-02-01 2016-12-31 13F PAYCHEX COMMON STOCK 704326107 47,360 2,884
2016-10-17 2016-09-30 13F PAYCHEX COMMON STOCK 704326107 46,685 125 0.27 2,701 -2.53 0.0445
2016-08-09 2016-06-30 13F PAYCHEX COMMON STOCK 704326107 46,560 0 0.00 2,771 10.18 0.0473
2016-04-19 2016-03-31 13F PAYCHEX COMMON STOCK 704326107 46,560 -600 -1.27 2,515 0.84 0.0438
2016-01-21 2015-12-31 13F PAYCHEX COMMON STOCK 704326107 47,160 2,800 6.31 2,494 18.03 0.0463
2015-10-29 2015-09-30 13F PAYCHEX COMMON STOCK 704326107 44,360 2,510 6.00 2,113 7.70 0.0353
2015-07-17 2015-06-30 13F PAYCHEX COMMON STOCK 704326107 41,850 7,000 20.09 1,962 13.41 0.0299
2015-04-15 2015-03-31 13F PAYCHEX COMMON STOCK 704326107 34,850 34,850 0.00 1,730 0.0257
2015-01-28 2014-12-31 13F PAYCHEX COMMON STOCK 704326107 0 -34,850 -100.00 0 -100.00
2014-10-23 2014-09-30 13F PAYCHEX COMMON STOCK 704326107 34,850 200 0.58 1,541 7.01 0.0238
2014-08-01 2014-06-30 13F PAYCHEX COMMON STOCK 704326107 34,650 -110 -0.32 1,440 -2.77 0.0209
2014-04-11 2014-03-31 13F PAYCHEX COMMON STOCK 704326107 34,760 8,000 29.90 1,481 21.49 0.0220
2014-02-11 2013-12-31 13F PAYCHEX COMMON STOCK 704326107 26,760 -1,171 -4.19 1,219 7.40 0.0178
2013-11-15 2013-09-30 13F PAYCHEX COMMON STOCK 704326107 27,931 625 2.29 1,135 13.84 0.0174
2013-08-08 2013-06-30 13F PAYCHEX COMMON STOCK 704326107 27,306 27,306 997 0.0161
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.