Workday, Inc.
MX ˙ BMV ˙ US98138H1014
SecurityMX:WDAY / Workday, Inc.
InstitutionMillennium Management Llc
ManagerIsrael Englander
Latest Disclosed Ownership248,428 shares
Latest Disclosed Value $ 32,275,766
Millennium Management Llc ownership in WDAY / Workday, Inc.

On May 15, 2026 - Millennium Management Llc filed a 13F-HR form disclosing ownership of 248,428 shares of Workday, Inc. (MX:WDAY) valued at $32,275,766 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 17, 2026 disclosing 35,168 shares of Workday, Inc.. This represents a change in shares of 606.40% during the quarter.

Millennium Management Llc has a history of taking positions in derivatives of the underlying security (WDAY) in the form of stock options. The firm currently holds call options representing 399,500 of underlying shares valued at $51,903,040 USD and put options representing 294,200 of underlying shares valued at $38,222,464 USD .

Note: prior versions of this page mistakenly stated that the share values represented the number of options, not the number of underlying shares. For more information on the data backing these reports, please see the SEC document Frequently Asked Questions About Form 13F.

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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Institutional Put/Call Ratios
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In addition to reporting standard equity and debt issues, institutions with more than 100MM assets under management must also disclose their put and call option holdings. Since put options generally indicate negative sentiment, and call options indicate positive sentiment, we can get a sense of the overall institutional sentiment by plotting the ratio of puts to calls. The chart to the right plots the historical put/call ratio for this instrument.

Using Put/Call Ratio as an indicator of investor sentiment overcomes one of the key deficiencies of using total institutional ownership, which is that a significant amount of assets under management are invested passively to track indices. Passively-managed funds do not typically buy options, so the put/call ratio indicator more closely tracks the sentiment of actively-managed funds.

MX:WDAY / Workday, Inc. Historical Put/Call Ratio
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 WORKDAY CL A 98138H101 248,428 213,260 606.40 32,276 327.31 0.0134
2026-02-17 2025-12-31 13F WORKDAY CL A 98138H101 35,168 24,366 225.57 7,553 190.50 0.0032
2025-11-14 2025-09-30 13F WORKDAY CL A 98138H101 10,802 -428,213 -97.54 2,600 -97.53 0.0011
2025-08-14 2025-06-30 13F WORKDAY CL A 98138H101 439,015 -187,438 -29.92 105,364 -27.98 0.0509
2025-05-15 2025-03-31 13F WORKDAY CL A 98138H101 626,453 504,838 415.11 146,296 366.20 0.0779
2025-02-14 2024-12-31 13F WORKDAY CL A 98138H101 121,615 -1,721,348 -93.40 31,380 -93.03 0.0153
2024-11-14 2024-09-30 13F WORKDAY CL A 98138H101 1,842,963 536,886 41.11 450,439 54.27 0.2136
2024-08-14 2024-06-30 13F WORKDAY CL A 98138H101 1,306,077 -604,641 -31.64 291,987 -43.97 0.1352
2024-05-15 2024-03-31 13F WORKDAY CL A 98138H101 1,910,718 533,800 38.77 521,148 37.10 0.2226
2024-02-14 2023-12-31 13F WORKDAY CL A 98138H101 1,376,918 1,232,168 851.24 380,112 1,122.26 0.1645
2023-11-14 2023-09-30 13F WORKDAY CL A 98138H101 144,750 -441,069 -75.29 31,100 -76.50 0.0157
2023-08-14 2023-06-30 13F WORKDAY CL A 98138H101 585,819 241,978 70.37 132,331 86.34 0.0653
2023-05-15 2023-03-31 13F WORKDAY CL A 98138H101 343,841 -162,150 -32.05 71,017 -16.12 0.0407
2023-02-14 2022-12-31 13F WORKDAY CL A 98138H101 505,991 -594,161 -54.01 84,667 -49.44 0.0468
2022-11-14 2022-09-30 13F WORKDAY CL A 98138H101 1,100,152 35,887 3.37 167,465 12.73 0.0990
2022-08-15 2022-06-30 13F WORKDAY CL A 98138H101 1,064,265 487,575 84.55 148,550 7.57 0.0922
2022-05-16 2022-03-31 13F WORKDAY CL A 98138H101 576,690 344,361 148.22 138,094 117.58 0.0732
2022-02-14 2021-12-31 13F WORKDAY CL A 98138H101 232,329 -237,767 -50.58 63,468 -45.97 0.0323
2021-11-15 2021-09-30 13F WORKDAY CL A 98138H101 470,096 310,952 195.39 117,472 209.19 0.0705
2021-08-16 2021-06-30 13F WORKDAY CL A 98138H101 159,144 60,724 61.70 37,994 55.39 0.0233
2021-05-17 2021-03-31 13F WORKDAY CL A 98138H101 98,420 -18,798 -16.04 24,450 -12.95 0.0175
2021-02-16 2020-12-31 13F WORKDAY CL A 98138H101 117,218 -174,266 -59.79 28,087 -55.21 0.0203
2020-11-16 2020-09-30 13F WORKDAY CL A 98138H101 291,484 -74,670 -20.39 62,707 -8.59 0.0772
2020-08-14 2020-06-30 13F WORKDAY CL A 98138H101 366,154 85,777 30.59 68,603 87.90 0.0940
2020-05-14 2020-03-31 13F WORKDAY CL A 98138H101 280,377 -105,848 -27.41 36,511 -42.52 0.0820
2020-02-14 2019-12-31 13F WORKDAY CL A 98138H101 386,225 380,877 7,121.86 63,515 6,895.04 0.0795
2019-11-14 2019-09-30 13F WORKDAY CL A 98138H101 5,348 -142,452 -96.38 908 -97.01 0.0014
2019-08-15 2019-06-30 13F/A-1 WORKDAY CL A 98138H101 147,800 -14,247 -8.79 30,385 -2.77 0.0457
2019-08-14 2019-06-30 13F WORKDAY CL A 98138H101 147,800 -14,247 30,385
2019-05-14 2019-03-31 13F WORKDAY CL A 98138H101 162,047 80,571 98.89 31,251 140.21 0.0468
2019-02-15 2018-12-31 13F/A-1 WORKDAY CL A 98138H101 81,476 40,805 100.33 13,010 119.13 0.0203
2019-02-14 2018-12-31 13F WORKDAY CL A 98138H101 81,476 13,010
2018-11-14 2018-09-30 13F WORKDAY CL A 98138H101 40,671 -6,537 -13.85 5,937 3.83 0.0073
2018-08-14 2018-06-30 13F WORKDAY CL A 98138H101 47,208 40,396 593.01 5,718 560.28 0.0075
2018-05-15 2018-03-31 13F WORKDAY CL A 98138H101 6,812 6,812 866 0.0012
2018-02-14 2017-12-31 13F WORKDAY CL A 98138H101 0 -216,504 -100.00 0 -100.00
2017-11-14 2017-09-30 13F WORKDAY CL A 98138H101 216,504 36,134 20.03 22,817 30.41 0.0348
2017-08-14 2017-06-30 13F WORKDAY CL A 98138H101 180,370 141,122 359.56 17,496 435.21 0.0312
2017-05-15 2017-03-31 13F WORKDAY CL A 98138H101 39,248 39,248 3,269 0.0060
2017-02-14 2016-12-31 13F WORKDAY CL A 98138H101 0 -367,115 -100.00 0 -100.00
2016-11-14 2016-09-30 13F WORKDAY CL A 98138H101 367,115 367,115 0.00 33,661 0.0564
2016-05-16 2016-03-31 13F WORKDAY CL A 98138H101 0 -218,514 -100.00 0 -100.00
2016-02-16 2015-12-31 13F WORKDAY CL A 98138H101 218,514 125,551 135.05 17,411 172.00 0.0366
2015-11-16 2015-09-30 13F WORKDAY CL A 98138H101 92,963 92,963 0.00 6,401 0.0124
2015-05-15 2015-03-31 13F WORKDAY CL A 98138H101 0 -28,052 -100.00 0 -100.00
2015-02-17 2014-12-31 13F WORKDAY CL A 98138H101 28,052 -197,741 -87.58 2,289 -87.71 0.0049
2014-11-14 2014-09-30 13F WORKDAY CL A 98138H101 225,793 206,585 1,075.52 18,628 979.26 0.0471
2014-08-14 2014-06-30 13F WORKDAY CL A 98138H101 19,208 -119,284 -86.13 1,726 -86.37 0.0048
2014-05-15 2014-03-31 13F WORKDAY CL A 98138H101 138,492 64,785 87.90 12,662 106.59 0.0367
2014-02-14 2013-12-31 13F WORKDAY CL A 98138H101 73,707 31,110 73.03 6,129 77.81 0.0193
2013-11-14 2013-09-30 13F WORKDAY CL A 98138H101 42,597 42,597 3,447 0.0111
Disclosed Call Options
File
Date
Effective
Date
Form Security Class ID Opt Avg Share
Price
Shares ΔShares
(%)
Value
(x1000)
ΔValue
(%)
Prior Allocation
(%)
Allocation
(%)
ΔAllocation
(%)
Cost Basis
(x1000)
Profit
(x1000)
Return
(%)
2026-05-15 2026-03-31 13F WORKDAY CL A Call 399,500 21.02 51,903 -26.79 n/a n/a n/a
2026-02-17 2025-12-31 13F WORKDAY CL A Call 330,100 48.69 70,899 32.66 n/a n/a n/a
2025-11-14 2025-09-30 13F WORKDAY CL A Call 222,000 46.15 53,442 46.59 n/a n/a n/a
2025-08-14 2025-06-30 13F WORKDAY CL A Call 151,900 50.25 36,456 54.42 n/a n/a n/a
2025-05-15 2025-03-31 13F WORKDAY CL A Call 101,100 -41.02 23,610 -46.62 n/a n/a n/a
2025-02-14 2024-12-31 13F WORKDAY CL A Call 171,400 -3.76 44,226 1.60 n/a n/a n/a
2024-11-14 2024-09-30 13F WORKDAY CL A Call 178,100 38.06 43,529 50.94 n/a n/a n/a
2024-08-14 2024-06-30 13F WORKDAY CL A Call 129,000 -1.30 28,839 -19.10 n/a n/a n/a
2024-05-15 2024-03-31 13F WORKDAY CL A Call 130,700 -44.57 35,648 -45.24 n/a n/a n/a
2024-02-14 2023-12-31 13F WORKDAY CL A Call 235,800 99.32 65,095 156.11 n/a n/a n/a
2023-11-14 2023-09-30 13F WORKDAY CL A Call 118,300 25.99 25,417 19.82 n/a n/a n/a
2023-08-14 2023-06-30 13F WORKDAY CL A Call 93,900 21,211 n/a n/a n/a
2023-05-15 2023-03-31 13F WORKDAY CL A Call 0 -100.00 0 -100.00 n/a n/a n/a
2023-02-14 2022-12-31 13F WORKDAY CL A Call 409,700 -33.32 68,555 -26.70 n/a n/a n/a
2022-11-14 2022-09-30 13F WORKDAY CL A Call 614,400 225.77 93,524 255.27 n/a n/a n/a
2022-08-15 2022-06-30 13F WORKDAY CL A Call 188,600 -67.66 26,325 -81.15 n/a n/a n/a
2022-05-16 2022-03-31 13F WORKDAY CL A Call 583,200 0.73 139,653 -11.71 n/a n/a n/a
2022-02-14 2021-12-31 13F WORKDAY CL A Call 579,000 -7.45 158,171 1.18 n/a n/a n/a
2021-11-15 2021-09-30 13F WORKDAY CL A Call 625,600 8.69 156,331 13.76 n/a n/a n/a
2021-08-16 2021-06-30 13F WORKDAY CL A Call 575,600 133.70 137,419 124.58 n/a n/a n/a
2021-05-17 2021-03-31 13F WORKDAY CL A Call 246,300 13.29 61,188 17.46 n/a n/a n/a
2021-02-16 2020-12-31 13F WORKDAY CL A Call 217,400 97.64 52,091 120.13 n/a n/a n/a
2020-11-16 2020-09-30 13F WORKDAY CL A Call 110,000 4,300.00 23,664 4,956.41 n/a n/a n/a
2020-08-14 2020-06-30 13F WORKDAY CL A Call 2,500 -46.81 468 -23.53 n/a n/a n/a
2020-05-14 2020-03-31 13F WORKDAY CL A Call 4,700 -70.44 612 -76.60 n/a n/a n/a
2020-02-14 2019-12-31 13F WORKDAY CL A Call 15,900 -76.23 2,615 -77.00 n/a n/a n/a
2019-11-14 2019-09-30 13F WORKDAY CL A Call 66,900 11,370 n/a n/a n/a
2015-08-14 2015-06-30 13F WORKDAY CL A Call 0 -100.00 0 -100.00 n/a n/a n/a
2015-05-15 2015-03-31 13F WORKDAY CL A Call 2,700 -79.85 228 -79.16 n/a n/a n/a
2015-02-17 2014-12-31 13F WORKDAY CL A Call 13,400 44.09 1,094 42.63 n/a n/a n/a
2014-11-14 2014-09-30 13F WORKDAY CL A Call 9,300 93.75 767 92.23 n/a n/a n/a
2014-02-14 2013-12-31 13F WORKDAY CL A Call 4,800 -47.83 399 -46.44 n/a n/a n/a
2013-11-14 2013-09-30 13F WORKDAY CL A Call 9,200 745 n/a n/a n/a
Disclosed Put Options
File
Date
Effective
Date
Form Security Class ID Opt Avg Share Price Shares ΔShares
(%)
Value
(x1000)
ΔValue
(%)
Prior Allocation
(%)
Allocation
(%)
ΔAllocation
(%)
Cost Basis
(x1000)
Profit
(x1000)
Return
(%)
2026-05-15 2026-03-31 13F WORKDAY CL A Put 294,200 -33.39 38,222 -59.71 n/a n/a n/a
2026-02-17 2025-12-31 13F WORKDAY CL A Put 441,700 -3.50 94,868 -13.90 n/a n/a n/a
2025-11-14 2025-09-30 13F WORKDAY CL A Put 457,700 143.98 110,182 144.72 n/a n/a n/a
2025-08-14 2025-06-30 13F WORKDAY CL A Put 187,600 -49.83 45,024 -48.44 n/a n/a n/a
2025-05-15 2025-03-31 13F WORKDAY CL A Put 373,900 -19.56 87,317 -27.20 n/a n/a n/a
2025-02-14 2024-12-31 13F WORKDAY CL A Put 464,800 -31.99 119,932 -28.20 n/a n/a n/a
2024-11-14 2024-09-30 13F WORKDAY CL A Put 683,400 55.53 167,030 70.04 n/a n/a n/a
2024-08-14 2024-06-30 13F WORKDAY CL A Put 439,400 -56.37 98,232 -64.24 n/a n/a n/a
2024-05-15 2024-03-31 13F WORKDAY CL A Put 1,007,100 13.80 274,687 12.43 n/a n/a n/a
2024-02-14 2023-12-31 13F WORKDAY CL A Put 885,000 13.45 244,313 45.77 n/a n/a n/a
2023-11-14 2023-09-30 13F WORKDAY CL A Put 780,100 9.63 167,604 4.27 n/a n/a n/a
2023-08-14 2023-06-30 13F WORKDAY CL A Put 711,600 198.62 160,743 226.59 n/a n/a n/a
2023-05-15 2023-03-31 13F WORKDAY CL A Put 238,300 -42.62 49,218 -29.17 n/a n/a n/a
2023-02-14 2022-12-31 13F WORKDAY CL A Put 415,300 -48.35 69,492 -43.23 n/a n/a n/a
2022-11-14 2022-09-30 13F WORKDAY CL A Put 804,100 -14.83 122,400 -7.12 n/a n/a n/a
2022-08-15 2022-06-30 13F WORKDAY CL A Put 944,100 -2.40 131,777 -43.11 n/a n/a n/a
2022-05-16 2022-03-31 13F WORKDAY CL A Put 967,300 -24.53 231,630 -33.85 n/a n/a n/a
2022-02-14 2021-12-31 13F WORKDAY CL A Put 1,281,700 -2.15 350,135 6.97 n/a n/a n/a
2021-11-15 2021-09-30 13F WORKDAY CL A Put 1,309,900 8.69 327,331 13.76 n/a n/a n/a
2021-08-16 2021-06-30 13F WORKDAY CL A Put 1,205,200 26.17 287,729 21.25 n/a n/a n/a
2021-05-17 2021-03-31 13F WORKDAY CL A Put 955,200 54.81 237,300 60.51 n/a n/a n/a
2021-02-16 2020-12-31 13F WORKDAY CL A Put 617,000 330.57 147,839 379.56 n/a n/a n/a
2020-11-16 2020-09-30 13F WORKDAY CL A Put 143,300 -31.70 30,828 -21.57 n/a n/a n/a
2020-08-14 2020-06-30 13F WORKDAY CL A Put 209,800 165.91 39,308 282.60 n/a n/a n/a
2020-05-14 2020-03-31 13F WORKDAY CL A Put 78,900 839.29 10,274 643.95 n/a n/a n/a
2020-02-14 2019-12-31 13F WORKDAY CL A Put 8,400 -48.15 1,381 -49.84 n/a n/a n/a
2019-11-14 2019-09-30 13F WORKDAY CL A Put 16,200 2,753 n/a n/a n/a
2015-08-14 2015-06-30 13F WORKDAY CL A Put 0 -100.00 0 -100.00 n/a n/a n/a
2015-05-15 2015-03-31 13F WORKDAY CL A Put 3,000 -74.79 253 -73.94 n/a n/a n/a
2015-02-17 2014-12-31 13F WORKDAY CL A Put 11,900 7.21 971 6.00 n/a n/a n/a
2014-11-14 2014-09-30 13F WORKDAY CL A Put 11,100 85.00 916 83.57 n/a n/a n/a
2014-02-14 2013-12-31 13F WORKDAY CL A Put 6,000 -56.52 499 -55.33 n/a n/a n/a
2013-11-14 2013-09-30 13F WORKDAY CL A Put 13,800 1,117 n/a n/a n/a
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.