Paychex, Inc.
US ˙ NasdaqGS ˙ US7043261079

SecurityPAYX / Paychex, Inc.
InstitutionAlbert D Mason Inc
Latest Disclosed Ownership16,537 shares
Latest Disclosed Value $ 1,523,357
Albert D Mason Inc reports 104.14% increase in ownership of PAYX / Paychex, Inc.

On April 15, 2026 - Albert D Mason Inc filed a 13F-HR form disclosing ownership of 16,537 shares of Paychex, Inc. (US:PAYX) valued at $1,523,388 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 13, 2026 disclosing 8,101 shares of Paychex, Inc.. This represents a change in shares of 104.14% during the quarter. The current value of the position is $1,662,465 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)
2026-04-15 2026-03-31 13F Paychex COM 704326107 16,537 8,436 104.14 1,523 67.73 0.9861
2026-01-13 2025-12-31 13F Paychex COM 704326107 8,101 500 6.58 909 -5.71 0.5980
2025-10-15 2025-09-30 13F Paychex COM 704326107 7,601 402 5.58 964 -8.02 0.6274
2025-07-29 2025-06-30 13F Paychex COM 704326107 7,199 -463 -6.04 1,047 -11.42 0.7578
2025-04-16 2025-03-31 13F Paychex COM 704326107 7,662 -9,670 -55.79 1,182 -51.36 0.8036
2025-01-15 2024-12-31 13F Paychex COM 704326107 17,332 228 1.33 2,430 5.88 1.6241
2024-10-22 2024-09-30 13F Paychex COM 704326107 17,104 -189 -1.09 2,295 11.95 1.4700
2024-07-16 2024-06-30 13F Paychex COM 704326107 17,293 -23 -0.13 2,050 102,400.00 1.3856
2024-04-24 2024-03-31 13F Paychex COM 704326107 17,316 216 1.26 2 0.00 1.3146
2024-01-03 2023-12-31 13F Paychex COM 704326107 17,100 -33 -0.19 2 100.00 1.3492
2023-10-10 2023-09-30 13F Paychex COM 704326107 17,133 -510 -2.89 2 0.00 1.4298
2023-07-25 2023-06-30 13F Paychex COM 704326107 17,643 1 0.01 2 -50.00 1.3526
2023-04-11 2023-03-31 13F Paychex COM 704326107 17,642 -126 -0.71 2 0.00 1.4021
2023-01-11 2022-12-31 13F Paychex COM 704326107 17,768 50 0.28 2 -99.90 1.4651
2022-10-12 2022-09-30 13F Paychex COM 704326107 17,718 -139 -0.78 1,988 -2.21 1.5932
2022-07-12 2022-06-30 13F Paychex COM 704326107 17,857 -202 -1.12 2,033 -17.49 1.5114
2022-04-20 2022-03-31 13F Paychex COM 704326107 18,059 -2,116 -10.49 2,464 -10.53 1.5851
2022-01-25 2021-12-31 13F Paychex COM 704326107 20,175 -56 -0.28 2,754 21.05 1.6417
2021-10-13 2021-09-30 13F Paychex COM 704326107 20,231 -301 -1.47 2,275 3.27 1.4653
2021-07-14 2021-06-30 13F Paychex COM 704326107 20,532 -461 -2.20 2,203 7.05 1.3519
2021-04-14 2021-03-31 13F Paychex COM 704326107 20,993 -290 -1.36 2,058 3.78 1.3437
2021-01-12 2020-12-31 13F Paychex COM 704326107 21,283 -137 -0.64 1,983 16.03 1.3786
2020-10-20 2020-09-30 13F Paychex COM 704326107 21,420 195 0.92 1,709 6.28 1.4008
2020-07-21 2020-06-30 13F Paychex COM 704326107 21,225 -160 -0.75 1,608 19.47 1.3548
2020-04-15 2020-03-31 13F Paychex COM 704326107 21,385 35 0.16 1,346 -25.88 1.3552
2020-01-21 2019-12-31 13F Paychex COM 704326107 21,350 302 1.43 1,816 4.25 1.2829
2019-10-23 2019-09-30 13F Paychex COM 704326107 21,048 225 1.08 1,742 1.63 1.3036
2019-07-30 2019-06-30 13F Paychex COM 704326107 20,823 -5,499 -20.89 1,714 -18.81 1.2864
2019-04-30 2019-03-31 13F Paychex COM 704326107 26,322 -75 -0.28 2,111 22.73 1.5457
2019-01-29 2018-12-31 13F Paychex COM 704326107 26,397 -1,075 -3.91 1,720 -14.98 1.3932
2018-10-30 2018-09-30 13F Paychex COM 704326107 27,472 -510 -1.82 2,023 5.75 1.3813
2018-07-31 2018-06-30 13F Paychex COM 704326107 27,982 -70 -0.25 1,913 10.71 1.3819
2018-05-02 2018-03-31 13F Paychex COM 704326107 28,052 -5 -0.02 1,728 -9.53 1.3001
2018-02-06 2017-12-31 13F Paychex COM 704326107 28,057 -120 -0.43 1,910 13.08 1.4352
2017-10-18 2017-09-30 13F Paychex COM 704326107 28,177 50 0.18 1,689 5.43 1.3576
2017-07-25 2017-06-30 13F Paychex COM 704326107 28,127 -110 -0.39 1,602 -3.67 1.3388
2017-05-02 2017-03-31 13F Paychex COM 704326107 28,237 -155 -0.55 1,663 -3.82 1.4110
2017-02-01 2016-12-31 13F Paychex COM 704326107 28,392 -49,262 -63.44 1,729 -61.53 1.5085
2016-10-25 2016-09-30 13F Paychex COM 704326107 77,654 29,972 62.86 4,494 58.41 1.4483
2016-07-19 2016-06-30 13F Paychex COM 704326107 47,682 256 0.54 2,837 10.78 1.6473
2016-04-27 2016-03-31 13F Paychex COM 704326107 47,426 0 0.00 2,561 2.11 1.5677
2016-01-20 2015-12-31 13F Paychex COM 704326107 47,426 -2,055 -4.15 2,508 6.41 1.6372
2015-10-13 2015-09-30 13F Paychex COM 704326107 49,481 -5,046 -9.25 2,357 -7.79 1.4571
2015-07-22 2015-06-30 13F Paychex COM 704326107 54,527 -117,639 -68.33 2,556 -70.08 1.3807
2015-05-06 2015-03-31 13F Paychex COM 704326107 172,166 30,501 21.53 8,542 30.59 1.7769
2015-02-18 2014-12-31 13F/A-1 Paychex COM 704326107 119,855 -26,145 5,534 1.2325
2015-02-26 2014-12-31 13F/A-2 Paychex COM 704326107 141,665 -4,335 -2.97 6,541 1.36 1.3048
2015-02-11 2014-12-31 13F Paychex COM 704326107 70,855 3,271
2015-02-26 2014-09-30 13F/A-1 Paychex COM 704326107 146,000 -6,280 -4.12 6,453 1.96 1.2672
2014-10-14 2014-09-30 13F Paychex COM 704326107 76,150 3,366
2015-02-25 2014-06-30 13F/A-1 Paychex COM 704326107 152,280 9,800 6.88 6,329 4.27 1.1516
2014-07-30 2014-06-30 13F Paychex COM 704326107 77,880 3,237
2014-04-22 2014-03-31 13F Paychex COM 704326107 142,480 0 0.00 6,070 -6.43 1.1861
2014-01-21 2013-12-31 13F Paychex COM 704326107 142,480 -280 -0.20 6,487 11.81 1.2768
2013-10-29 2013-09-30 13F Paychex COM 704326107 142,760 -17,475 -10.91 5,802 -0.82 1.2164
2013-08-16 2013-06-30 13F Paychex COM 704326107 160,235 160,235 5,850 1.2925
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.