Workday, Inc.
US ˙ NasdaqGS ˙ US98138H1014

SecurityWDAY / Workday, Inc.
InstitutionCitigroup Inc
Latest Disclosed Ownership2,600,984 shares
Latest Disclosed Value $ 337,919,841
Citigroup Inc ownership in WDAY / Workday, Inc.

On May 11, 2026 - Citigroup Inc filed a 13F-HR form disclosing ownership of 2,600,984 shares of Workday, Inc. (US:WDAY) valued at $337,919,841 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 13, 2026 disclosing 595,375 shares of Workday, Inc.. This represents a change in shares of 336.86% during the quarter. The current value of the position is $382,084,550 USD.

Citigroup Inc 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 86,600 of underlying shares valued at $11,251,072 USD and put options representing 0 of underlying shares valued at $0 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.

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)
2026-05-11 2026-03-31 13F WORKDAY CL A 98138H101 2,600,984 2,005,609 336.86 337,920 164.26 0.0725
2026-02-13 2025-12-31 13F WORKDAY CL A 98138H101 595,375 -446,844 -42.87 127,875 -49.03 0.0564
2025-11-10 2025-09-30 13F WORKDAY CL A 98138H101 1,042,219 552,721 112.92 250,893 113.56 0.1119
2025-08-11 2025-06-30 13F WORKDAY CL A 98138H101 489,498 14,922 3.14 117,480 6.00 0.0577
2025-05-12 2025-03-31 13F WORKDAY CL A 98138H101 474,576 57,070 13.67 110,828 2.88 0.0566
2025-02-12 2024-12-31 13F WORKDAY CL A 98138H101 417,506 38,112 10.05 107,729 16.18 0.0639
2024-11-12 2024-09-30 13F WORKDAY CL A 98138H101 379,394 48,863 14.78 92,728 25.49 0.0537
2024-08-12 2024-06-30 13F WORKDAY CL A 98138H101 330,531 3,453 1.06 73,893 -17.17 0.0473
2024-05-10 2024-03-31 13F WORKDAY CL A 98138H101 327,078 17,433 5.63 89,210 4.36 0.0586
2024-02-09 2023-12-31 13F WORKDAY CL A 98138H101 309,645 39,965 14.82 85,481 47.53 0.0602
2023-12-06 2023-09-30 13F/A-1 WORKDAY CL A 98138H101 269,680 -10,209 -3.65 57,941 -8.36 0.0433
2023-11-09 2023-09-30 13F WORKDAY CL A 98138H101 269,680 -10,209 57,941 0.0173
2023-08-10 2023-06-30 13F WORKDAY CL A 98138H101 279,889 19,283 7.40 63,224 17.46 0.0415
2023-05-11 2023-03-31 13F WORKDAY CL A 98138H101 260,606 -3,893 -1.47 53,825 21.62 0.0377
2023-02-09 2022-12-31 13F WORKDAY CL A 98138H101 264,499 64,754 32.42 44,259 45.56 0.0352
2022-11-10 2022-09-30 13F WORKDAY CL A 98138H101 199,745 -25,094 -11.16 30,405 -3.11 0.0218
2022-08-10 2022-06-30 13F WORKDAY CL A 98138H101 224,839 -235,045 -51.11 31,382 -71.50 0.0234
2022-05-12 2022-03-31 13F WORKDAY CL A 98138H101 459,884 10,863 2.42 110,124 -10.22 0.0669
2022-02-10 2021-12-31 13F WORKDAY CL A 98138H101 449,021 74,743 19.97 122,665 31.15 0.0657
2021-11-10 2021-09-30 13F WORKDAY CL A 98138H101 374,278 -1,212 -0.32 93,529 4.33 0.0552
2021-08-10 2021-06-30 13F WORKDAY CL A 98138H101 375,490 -149,937 -28.54 89,645 -31.32 0.0540
2021-05-13 2021-03-31 13F WORKDAY CL A 98138H101 525,427 245,700 87.84 130,533 94.75 0.0844
2021-02-11 2020-12-31 13F WORKDAY CL A 98138H101 279,727 74,080 36.02 67,025 51.50 0.0396
2020-11-12 2020-09-30 13F WORKDAY CL A 98138H101 205,647 -12,570 -5.76 44,240 8.21 0.0289
2020-08-12 2020-06-30 13F WORKDAY CL A 98138H101 218,217 -57,971 -20.99 40,885 13.68 0.0319
2020-05-12 2020-03-31 13F WORKDAY CL A 98138H101 276,188 -374,356 -57.55 35,964 -66.38 0.0325
2020-02-12 2019-12-31 13F WORKDAY CL A 98138H101 650,544 408,177 168.41 106,982 159.72 0.0775
2019-11-08 2019-09-30 13F WORKDAY CL A 98138H101 242,367 77,020 46.58 41,192 21.19 0.0327
2019-08-12 2019-06-30 13F WORKDAY CL A 98138H101 165,347 -53,983 -24.61 33,991 -19.64 0.0275
2019-05-13 2019-03-31 13F WORKDAY CL A 98138H101 219,330 10,804 5.18 42,298 27.03 0.0408
2019-02-12 2018-12-31 13F WORKDAY CL A 98138H101 208,526 -17,321 -7.67 33,298 1.00 0.0337
2018-11-13 2018-09-30 13F WORKDAY CL A 98138H101 225,847 17,357 8.33 32,969 30.56 0.0294
2018-08-10 2018-06-30 13F WORKDAY CL A 98138H101 208,490 -300,849 -59.07 25,252 -61.00 0.0232
2018-05-11 2018-03-31 13F WORKDAY CL A 98138H101 509,339 -10,155 -1.95 64,741 22.49 0.0533
2018-02-12 2017-12-31 13F WORKDAY CL A 98138H101 519,494 34,876 7.20 52,854 3.49 0.0424
2017-11-13 2017-09-30 13F WORKDAY CL A 98138H101 484,618 409,623 546.20 51,074 602.05 0.0418
2017-08-11 2017-06-30 13F WORKDAY CL A 98138H101 74,995 8,242 12.35 7,275 30.87 0.0066
2017-05-12 2017-03-31 13F WORKDAY CL A 98138H101 66,753 64,536 2,910.96 5,559 3,707.53 0.0050
2017-02-10 2016-12-31 13F WORKDAY CL A 98138H101 2,217 -26,059 -92.16 146 -94.37 0.0001
2016-11-10 2016-09-30 13F WORKDAY CL A 98138H101 28,276 25,006 764.71 2,593 962.70 0.0024
2016-08-12 2016-06-30 13F WORKDAY CL A 98138H101 3,270 -26,599 -89.05 244 -89.37 0.0002
2016-05-13 2016-03-31 13F WORKDAY CL A 98138H101 29,869 17,019 132.44 2,295 124.12 0.0026
2016-02-12 2015-12-31 13F WORKDAY CL A 98138H101 12,850 -40,679 -75.99 1,024 -72.23 0.0010
2015-11-13 2015-09-30 13F WORKDAY CL A 98138H101 53,529 6,889 14.77 3,687 3.48 0.0035
2015-08-13 2015-06-30 13F WORKDAY CL A 98138H101 46,640 -1,042 -2.19 3,563 -11.48 0.0032
2015-05-14 2015-03-31 13F WORKDAY CL A 98138H101 47,682 6,334 15.32 4,025 19.29 0.0039
2015-02-17 2014-12-31 13F WORKDAY CL A 98138H101 41,348 9,895 31.46 3,374 30.07 0.0030
2014-11-14 2014-09-30 13F WORKDAY CL A 98138H101 31,453 8,084 34.59 2,594 23.58 0.0023
2014-08-14 2014-06-30 13F WORKDAY CL A 98138H101 23,369 14,214 155.26 2,099 150.78 0.0020
2014-05-15 2014-03-31 13F WORKDAY CL A 98138H101 9,155 4,947 117.56 837 138.46 0.0009
2014-02-14 2013-12-31 13F WORKDAY CL A 98138H101 4,208 -1,706 -28.85 351 -26.72 0.0003
2013-11-14 2013-09-30 13F WORKDAY CL A 98138H101 5,914 1,636 38.24 479 74.82 0.0004
2013-08-14 2013-06-30 13F WORKDAY CL A 98138H101 4,278 4,278 274 0.0003
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
(%)
2026-05-11 2026-03-31 13F WORKDAY CL A Call 86,600 11,251 n/a n/a n/a
2025-08-11 2025-06-30 13F WORKDAY CL A Call 0 -100.00 0 -100.00 n/a n/a n/a
2025-05-12 2025-03-31 13F WORKDAY CL A Call 600 -96.77 140 -97.08 n/a n/a n/a
2025-02-12 2024-12-31 13F WORKDAY CL A Call 18,600 3.33 4,799 9.09 n/a n/a n/a
2024-11-12 2024-09-30 13F WORKDAY CL A Call 18,000 -84.07 4,399 -82.59 n/a n/a n/a
2024-08-12 2024-06-30 13F WORKDAY CL A Call 113,000 769.23 25,262 612.61 n/a n/a n/a
2024-05-10 2024-03-31 13F WORKDAY CL A Call 13,000 0.00 3,546 -1.20 n/a n/a n/a
2024-02-09 2023-12-31 13F WORKDAY CL A Call 13,000 0.00 3,589 28.46 n/a n/a n/a
2023-12-06 2023-09-30 13F/A WORKDAY CL A Call 13,000 0.00 2,793 -4.87 n/a n/a n/a
2023-11-09 2023-09-30 13F WORKDAY CL A Call 13,000 2,793 n/a n/a n/a
2023-08-10 2023-06-30 13F WORKDAY CL A Call 13,000 2,937 n/a n/a n/a
2023-05-11 2023-03-31 13F WORKDAY CL A Call 0 -100.00 0 -100.00 n/a n/a n/a
2023-02-09 2022-12-31 13F WORKDAY CL A Call 179,400 30,019 n/a n/a n/a
2022-11-10 2022-09-30 13F WORKDAY CL A Call 0 -100.00 0 -100.00 n/a n/a n/a
2022-08-10 2022-06-30 13F WORKDAY CL A Call 1,425,000 23,650.00 198,902 13,741.48 n/a n/a n/a
2022-05-12 2022-03-31 13F WORKDAY CL A Call 6,000 -62.50 1,437 -67.12 n/a n/a n/a
2022-02-10 2021-12-31 13F WORKDAY CL A Call 16,000 -65.22 4,371 -61.97 n/a n/a n/a
2021-11-10 2021-09-30 13F WORKDAY CL A Call 46,000 -48.89 11,495 -46.50 n/a n/a n/a
2021-08-10 2021-06-30 13F WORKDAY CL A Call 90,000 5.88 21,487 1.75 n/a n/a n/a
2021-05-13 2021-03-31 13F WORKDAY CL A Call 85,000 2.16 21,117 5.93 n/a n/a n/a
2021-02-11 2020-12-31 13F WORKDAY CL A Call 83,200 75.90 19,935 95.90 n/a n/a n/a
2020-11-12 2020-09-30 13F WORKDAY CL A Call 47,300 1.07 10,176 16.06 n/a n/a n/a
2020-08-12 2020-06-30 13F WORKDAY CL A Call 46,800 -44.62 8,768 -20.32 n/a n/a n/a
2020-05-12 2020-03-31 13F WORKDAY CL A Call 84,500 50.36 11,004 19.07 n/a n/a n/a
2020-02-12 2019-12-31 13F WORKDAY CL A Call 56,200 -8.62 9,242 -11.59 n/a n/a n/a
2019-11-08 2019-09-30 13F WORKDAY CL A Call 61,500 110.62 10,453 74.13 n/a n/a n/a
2019-08-12 2019-06-30 13F WORKDAY CL A Call 29,200 11.88 6,003 19.27 n/a n/a n/a
2019-05-13 2019-03-31 13F WORKDAY CL A Call 26,100 -50.00 5,033 -39.62 n/a n/a n/a
2019-02-12 2018-12-31 13F WORKDAY CL A Call 52,200 50.00 8,335 64.07 n/a n/a n/a
2018-11-13 2018-09-30 13F WORKDAY CL A Call 34,800 13.36 5,080 36.63 n/a n/a n/a
2018-08-10 2018-06-30 13F WORKDAY CL A Call 30,700 0.33 3,718 -4.42 n/a n/a n/a
2018-05-11 2018-03-31 13F WORKDAY CL A Call 30,600 -41.60 3,890 -27.03 n/a n/a n/a
2018-02-12 2017-12-31 13F WORKDAY CL A Call 52,400 322.58 5,331 307.88 n/a n/a n/a
2017-11-13 2017-09-30 13F WORKDAY CL A Call 12,400 313.33 1,307 349.14 n/a n/a n/a
2017-08-11 2017-06-30 13F WORKDAY CL A Call 3,000 172.73 291 216.30 n/a n/a n/a
2017-05-12 2017-03-31 13F WORKDAY CL A Call 1,100 -62.07 92 -52.08 n/a n/a n/a
2017-02-10 2016-12-31 13F WORKDAY CL A Call 2,900 61.11 192 16.36 n/a n/a n/a
2016-11-10 2016-09-30 13F WORKDAY CL A Call 1,800 -70.97 165 -64.36 n/a n/a n/a
2016-08-12 2016-06-30 13F WORKDAY CL A Call 6,200 1,140.00 463 1,118.42 n/a n/a n/a
2016-05-13 2016-03-31 13F WORKDAY CL A Call 500 -94.62 38 -94.87 n/a n/a n/a
2016-02-12 2015-12-31 13F WORKDAY CL A Call 9,300 25.68 741 45.29 n/a n/a n/a
2015-11-13 2015-09-30 13F WORKDAY CL A Call 7,400 -11.90 510 -20.56 n/a n/a n/a
2015-08-13 2015-06-30 13F WORKDAY CL A Call 8,400 52.73 642 38.36 n/a n/a n/a
2015-05-14 2015-03-31 13F WORKDAY CL A Call 5,500 464 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
(%)
2025-08-11 2025-06-30 13F WORKDAY CL A Put 0 -100.00 0 -100.00 n/a n/a n/a
2025-05-12 2025-03-31 13F WORKDAY CL A Put 600 -97.61 140 -97.84 n/a n/a n/a
2025-02-12 2024-12-31 13F WORKDAY CL A Put 25,100 2.45 6,477 8.15 n/a n/a n/a
2024-11-12 2024-09-30 13F WORKDAY CL A Put 24,500 25.64 5,988 37.37 n/a n/a n/a
2024-08-12 2024-06-30 13F WORKDAY CL A Put 19,500 0.00 4,359 -18.03 n/a n/a n/a
2024-05-10 2024-03-31 13F WORKDAY CL A Put 19,500 0.00 5,319 -1.21 n/a n/a n/a
2024-02-09 2023-12-31 13F WORKDAY CL A Put 19,500 0.00 5,383 28.50 n/a n/a n/a
2023-12-06 2023-09-30 13F/A WORKDAY CL A Put 19,500 0.00 4,190 -4.88 n/a n/a n/a
2023-11-09 2023-09-30 13F WORKDAY CL A Put 19,500 4,190 n/a n/a n/a
2023-08-10 2023-06-30 13F WORKDAY CL A Put 19,500 4,405 n/a n/a n/a
2023-05-11 2023-03-31 13F WORKDAY CL A Put 0 -100.00 0 -100.00 n/a n/a n/a
2023-02-09 2022-12-31 13F WORKDAY CL A Put 400,000 0.00 66,932 9.93 n/a n/a n/a
2022-11-10 2022-09-30 13F WORKDAY CL A Put 400,000 -46.67 60,888 -41.84 n/a n/a n/a
2022-08-10 2022-06-30 13F WORKDAY CL A Put 750,000 -7.29 104,685 -45.96 n/a n/a n/a
2022-05-12 2022-03-31 13F WORKDAY CL A Put 809,000 -1.22 193,723 -13.41 n/a n/a n/a
2022-02-10 2021-12-31 13F WORKDAY CL A Put 819,000 -2.38 223,734 6.71 n/a n/a n/a
2021-11-10 2021-09-30 13F WORKDAY CL A Put 839,000 4.88 209,658 9.77 n/a n/a n/a
2021-08-10 2021-06-30 13F WORKDAY CL A Put 800,000 92.77 190,992 85.25 n/a n/a n/a
2021-05-13 2021-03-31 13F WORKDAY CL A Put 415,000 610.62 103,098 636.78 n/a n/a n/a
2021-02-11 2020-12-31 13F WORKDAY CL A Put 58,400 -17.86 13,993 -8.52 n/a n/a n/a
2020-11-12 2020-09-30 13F WORKDAY CL A Put 71,100 -8.26 15,296 5.34 n/a n/a n/a
2020-08-12 2020-06-30 13F WORKDAY CL A Put 77,500 -0.77 14,520 42.77 n/a n/a n/a
2020-05-12 2020-03-31 13F WORKDAY CL A Put 78,100 -15.84 10,170 -33.36 n/a n/a n/a
2020-02-12 2019-12-31 13F WORKDAY CL A Put 92,800 33.33 15,261 29.01 n/a n/a n/a
2019-11-08 2019-09-30 13F WORKDAY CL A Put 69,600 -47.79 11,829 -56.83 n/a n/a n/a
2019-08-12 2019-06-30 13F WORKDAY CL A Put 133,300 192.97 27,404 212.30 n/a n/a n/a
2019-05-13 2019-03-31 13F WORKDAY CL A Put 45,500 -30.96 8,775 -16.61 n/a n/a n/a
2019-02-12 2018-12-31 13F WORKDAY CL A Put 65,900 14.41 10,523 25.15 n/a n/a n/a
2018-11-13 2018-09-30 13F WORKDAY CL A Put 57,600 36.82 8,408 64.90 n/a n/a n/a
2018-08-10 2018-06-30 13F WORKDAY CL A Put 42,100 -26.91 5,099 -30.36 n/a n/a n/a
2018-05-11 2018-03-31 13F WORKDAY CL A Put 57,600 2.86 7,322 28.52 n/a n/a n/a
2018-02-12 2017-12-31 13F WORKDAY CL A Put 56,000 273.33 5,697 260.34 n/a n/a n/a
2017-11-13 2017-09-30 13F WORKDAY CL A Put 15,000 150.00 1,581 171.65 n/a n/a n/a
2017-08-11 2017-06-30 13F WORKDAY CL A Put 6,000 81.82 582 111.64 n/a n/a n/a
2017-05-12 2017-03-31 13F WORKDAY CL A Put 3,300 725.00 275 957.69 n/a n/a n/a
2017-02-10 2016-12-31 13F WORKDAY CL A Put 400 -42.86 26 -59.37 n/a n/a n/a
2016-11-10 2016-09-30 13F WORKDAY CL A Put 700 -69.57 64 -62.79 n/a n/a n/a
2016-08-12 2016-06-30 13F WORKDAY CL A Put 2,300 187.50 172 181.97 n/a n/a n/a
2016-05-13 2016-03-31 13F WORKDAY CL A Put 800 -76.47 61 -77.49 n/a n/a n/a
2016-02-12 2015-12-31 13F WORKDAY CL A Put 3,400 -22.73 271 -10.56 n/a n/a n/a
2015-11-13 2015-09-30 13F WORKDAY CL A Put 4,400 -72.33 303 -75.06 n/a n/a n/a
2015-08-13 2015-06-30 13F WORKDAY CL A Put 15,900 51.43 1,215 37.13 n/a n/a n/a
2015-05-14 2015-03-31 13F WORKDAY CL A Put 10,500 886 n/a n/a n/a
2014-11-14 2014-09-30 13F WORKDAY CL A Put 0 -100.00 0 -100.00 n/a n/a n/a
2014-08-14 2014-06-30 13F WORKDAY CL A Put 8,800 791 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.