Paychex, Inc.
US ˙ NasdaqGS ˙ US7043261079

SecurityPAYX / Paychex, Inc.
InstitutionOMERS ADMINISTRATION Corp
Latest Disclosed Ownership17,123 shares
Latest Disclosed Value $ 1,577,371
OMERS ADMINISTRATION Corp reports 26.61% increase in ownership of PAYX / Paychex, Inc.

On May 15, 2026 - OMERS ADMINISTRATION Corp filed a 13F-HR form disclosing ownership of 17,123 shares of Paychex, Inc. (US:PAYX) valued at $1,577,371 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 13, 2026 disclosing 13,524 shares of Paychex, Inc.. This represents a change in shares of 26.61% during the quarter. The current value of the position is $1,685,759 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)
2026-05-15 2026-03-31 13F PAYCHEX COM 704326107 17,123 3,599 26.61 1,577 3.96 0.0101
2026-02-13 2025-12-31 13F PAYCHEX COM 704326107 13,524 -11,275 -45.47 1,517 -51.73 0.0108
2025-11-14 2025-09-30 13F PAYCHEX COM 704326107 24,799 0 0.00 3,144 -12.86 0.0225
2025-08-13 2025-06-30 13F PAYCHEX COM 704326107 24,799 -100 -0.40 3,607 -6.09 0.0283
2025-05-14 2025-03-31 13F PAYCHEX COM 704326107 24,899 1,275 5.40 3,841 15.97 0.0336
2025-02-14 2024-12-31 13F PAYCHEX COM 704326107 23,624 -3,599 -13.22 3,313 -9.33 0.0290
2024-11-13 2024-09-30 13F PAYCHEX COM 704326107 27,223 -600 -2.16 3,653 10.76 0.0336
2024-08-13 2024-06-30 13F PAYCHEX COM 704326107 27,823 27,823 3,299 0.0318
2020-05-15 2020-03-31 13F PAYCHEX COM 704326107 0 -96,000 -100.00 0 -100.00
2020-02-14 2019-12-31 13F PAYCHEX COM 704326107 96,000 -41,300 -30.08 8,166 -28.14 0.0942
2019-11-12 2019-09-30 13F PAYCHEX COM 704326107 137,300 62,600 83.80 11,364 82.38 0.1132
2019-08-08 2019-06-30 13F PAYCHEX COM 704326107 74,700 74,700 6,231 0.0648
2019-02-14 2018-12-31 13F PAYCHEX COM 704326107 0 -103,300 -100.00 0 -100.00
2018-11-14 2018-09-30 13F PAYCHEX COM 704326107 103,300 18,600 21.96 7,608 31.42 0.0728
2018-08-09 2018-06-30 13F PAYCHEX COM 704326107 84,700 84,700 5,789 0.0535
2017-02-09 2016-12-31 13F PAYCHEX COM 704326107 0 -40,300 -100.00 0 -100.00
2016-11-14 2016-09-30 13F PAYCHEX COM 704326107 40,300 33,200 467.61 2,332 452.61 0.0415
2016-08-11 2016-06-30 13F PAYCHEX COM 704326107 7,100 -6,700 -48.55 422 -32.80 0.0087
2014-02-13 2013-12-31 13F PAYCHEX COM 704326107 13,800 13,800 628 0.0231
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.