MillerKnoll, Inc.
DE ˙ DB ˙ US6005441000
12,50 € 0,00 (0,00%)
2026-06-05
DEL PRIS
SecurityDE:MHR / MillerKnoll, Inc.
InstitutionCitadel Advisors Llc
ManagerKen Griffin
Latest Disclosed Ownership115,719 shares
Latest Disclosed Value $ 1,673,297
Citadel Advisors Llc ownership in MHR / MillerKnoll, Inc.

On May 15, 2026 - Citadel Advisors Llc filed a 13F-HR form disclosing ownership of 115,719 shares of MillerKnoll, Inc. (DE:MHR) valued at $1,434,916 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 17, 2026 disclosing 453,505 shares of MillerKnoll, Inc.. This represents a change in shares of -74.48% during the quarter. The current value of the position is $1,446,488 USD.

Citadel Advisors Llc has a history of taking positions in derivatives of the underlying security (MHR) in the form of stock options. The firm currently holds call options representing 0 of underlying shares valued at $0 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.

DE:MHR / MillerKnoll, 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 MILLERKNOLL COM 600544100 115,719 -337,786 -74.48 1,673 -79.82 0.0002
2026-02-17 2025-12-31 13F MILLERKNOLL COM 600544100 453,505 273,552 152.01 8,290 159.71 0.0011
2025-11-14 2025-09-30 13F MILLERKNOLL COM 600544100 179,953 167,875 1,389.92 3,192 1,264.10 0.0004
2025-08-14 2025-06-30 13F MILLERKNOLL COM 600544100 12,078 -224,288 -94.89 235 -94.83 0.0000
2025-05-15 2025-03-31 13F MILLERKNOLL COM 600544100 236,366 74,451 45.98 4,524 23.71 0.0009
2025-02-14 2024-12-31 13F MILLERKNOLL COM 600544100 161,915 136,976 549.24 3,658 492.71 0.0006
2024-11-14 2024-09-30 13F MILLERKNOLL COM 600544100 24,939 -97,207 -79.58 617 -80.93 0.0001
2024-08-14 2024-06-30 13F MILLERKNOLL COM 600544100 122,146 102,572 524.02 3,236 568.39 0.0007
2024-05-15 2024-03-31 13F MILLERKNOLL COM 600544100 19,574 -188,052 -90.57 485 -91.26 0.0001
2024-02-14 2023-12-31 13F MILLERKNOLL COM 600544100 207,626 -106,931 -33.99 5,539 -27.97 0.0011
2023-11-14 2023-09-30 13F MILLERKNOLL COM 600544100 314,557 -205,676 -39.54 7,691 0.01 0.0016
2023-08-14 2023-06-30 13F MILLERKNOLL COM 600544100 520,233 368,278 242.36 7,689 147.47 0.0016
2023-05-15 2023-03-31 13F MILLERKNOLL COM 600544100 151,955 -61,922 -28.95 3,107 -30.85 0.0007
2023-02-14 2022-12-31 13F MILLERKNOLL COM 600544100 213,877 -561,926 -72.43 4,494 -62.88 0.0010
2022-11-14 2022-09-30 13F MILLERKNOLL COM 600544100 775,803 457,181 143.49 12,103 44.60 0.0028
2022-08-15 2022-06-30 13F MILLERKNOLL COM 600544100 318,622 180,083 129.99 8,370 74.81 0.0021
2022-05-16 2022-03-31 13F MILLERKNOLL COM 600544100 138,539 1,978 1.45 4,788 -10.54 0.0010
2022-02-14 2021-12-31 13F MILLERKNOLL COM 600544100 136,561 57,437 72.59 5,352 79.60 0.0011
2021-11-15 2021-09-30 13F MILLER HERMAN Cmn 600544100 79,124 -19,741 -19.97 2,980 -36.07 0.0006
2021-08-16 2021-06-30 13F MILLER HERMAN COM 600544100 98,865 42,411 75.12 4,661 100.65 0.0010
2021-05-21 2021-03-31 13F/A-1 MILLER HERMAN COM 600544100 56,454 -206,387 -78.52 2,323 -73.85 0.0006
2021-05-17 2021-03-31 13F MILLER HERMAN COM 600544100 56,454 -206,387 2,323 0.0006
2021-02-16 2020-12-31 13F MILLER HERMAN COM 600544100 262,841 -96,402 -26.83 8,884 -18.00 0.0023
2020-11-16 2020-09-30 13F MILLER HERMAN COM 600544100 359,243 275,190 327.40 10,834 445.79 0.0031
2020-08-14 2020-06-30 13F MILLER HERMAN Cmn 600544100 84,053 -1,347 -1.58 1,985 4.69 0.0007
2020-05-15 2020-03-31 13F MILLER HERMAN Cmn 600544100 85,400 -71,221 -45.47 1,896 -70.94 0.0009
2020-02-14 2019-12-31 13F MILLER HERMAN Cmn 600544100 156,621 68,105 76.94 6,524 59.94 0.0028
2019-11-14 2019-09-30 13F MILLER HERMAN Cmn 600544100 88,516 -194,428 -68.72 4,079 -67.75 0.0019
2019-08-14 2019-06-30 13F MILLER HERMAN Cmn 600544100 282,944 198,847 236.45 12,647 327.41 0.0058
2019-05-15 2019-03-31 13F MILLER HERMAN Cmn 600544100 84,097 -67,331 -44.46 2,959 -35.41 0.0015
2019-02-14 2018-12-31 13F MILLER HERMAN Cmn 600544100 151,428 69,760 85.42 4,581 46.08 0.0025
2018-11-13 2018-09-30 13F MILLER HERMAN Cmn 600544100 81,668 73,701 925.08 3,136 1,061.48 0.0014
2018-08-14 2018-06-30 13F/A-1 MILLER HERMAN Cmn 600544100 7,967 -23,849 -74.96 270 -73.45 0.0001
2018-08-10 2018-06-30 13F MILLER HERMAN Cmn 600544100 7,967 -23,849 270
2018-05-14 2018-03-31 13F/A-1 MILLER HERMAN Cmn 600544100 31,816 -101,404 -76.12 1,017 -80.94 0.0006
2018-05-11 2018-03-31 13F MILLER HERMAN Cmn 600544100 31,816 -101,404 1,017
2018-02-09 2017-12-31 13F MILLER HERMAN Cmn 600544100 133,220 123,783 1,311.68 5,335 1,473.75 0.0032
2017-11-09 2017-09-30 13F MILLER HERMAN Cmn 600544100 9,437 -15,470 -62.11 339 -55.22 0.0003
2017-08-11 2017-06-30 13F MILLER HERMAN Cmn 600544100 24,907 24,907 757 0.0006
2016-08-12 2016-06-30 13F MILLER (HERMAN) INC CMN STK Cmn 600544100 0 -85,799 -100.00 0 -100.00
2017-01-31 2016-03-31 13F/A-1 MILLER HERMAN Cmn 600544100 85,799 -51,023 -37.29 2,651 -32.49 0.0033
2016-05-13 2016-03-31 13F MILLER (HERMAN) INC CMN STK Cmn 600544100 85,799 85,799 2,651
2017-01-31 2015-12-31 13F/A-1 MILLER HERMAN Cmn 600544100 136,822 -77,289 -36.10 3,927 -36.42 0.0043
2016-02-12 2015-12-31 13F MILLER (HERMAN) INC CMN STK Cmn 600544100 136,822 51,023 3,927
2015-11-16 2015-09-30 13F MILLER (HERMAN) INC CMN STK Cmn 600544100 214,111 51,853 31.96 6,176 31.57 0.0060
2015-08-14 2015-06-30 13F MILLER (HERMAN) INC CMN STK Cmn 600544100 162,258 126,737 356.79 4,694 376.06 0.0041
2015-05-15 2015-03-31 13F MILLER (HERMAN) INC CMN STK Cmn 600544100 35,521 -156,047 -81.46 986 -82.51 0.0011
2015-02-17 2014-12-31 13F MILLER (HERMAN) INC CMN STK Cmn 600544100 191,568 -26,533 -12.17 5,638 -13.39 0.0068
2014-11-14 2014-09-30 13F MILLER (HERMAN) INC CMN STK Cmn 600544100 218,101 -26,371 -10.79 6,510 -11.94 0.0082
2014-08-14 2014-06-30 13F MILLER (HERMAN) INC CMN STK Cmn 600544100 244,472 68,879 39.23 7,393 31.04 0.0100
2014-05-15 2014-03-31 13F MILLER (HERMAN) INC CMN STK Cmn 600544100 175,593 23,794 15.67 5,642 25.91 0.0078
2014-02-14 2013-12-31 13F MILLER (HERMAN) INC CMN STK Cmn 600544100 151,799 20,327 15.46 4,481 16.81 0.0058
2013-11-14 2013-09-30 13F MILLER (HERMAN) INC CMN STK Cmn 600544100 131,472 65,708 99.91 3,836 115.51 0.0059
2013-08-14 2013-06-30 13F MILLER (HERMAN) INC CMN STK Cmn 600544100 65,764 65,764 1,780 0.0031
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 MILLERKNOLL COM Call 0 -100.00 0 n/a n/a n/a
2026-02-17 2025-12-31 13F MILLERKNOLL COM Call 14,700 -66.05 269 -65.10 n/a n/a n/a
2025-11-14 2025-09-30 13F MILLERKNOLL COM Call 43,300 -13.23 768 -20.74 n/a n/a n/a
2025-08-14 2025-06-30 13F MILLERKNOLL COM Call 49,900 -39.73 969 -38.83 n/a n/a n/a
2025-05-15 2025-03-31 13F MILLERKNOLL COM Call 82,800 301.94 1,585 240.65 n/a n/a n/a
2025-02-14 2024-12-31 13F MILLERKNOLL COM Call 20,600 472.22 465 422.47 n/a n/a n/a
2024-11-14 2024-09-30 13F MILLERKNOLL COM Call 3,600 -94.50 89 -94.87 n/a n/a n/a
2024-08-14 2024-06-30 13F MILLERKNOLL COM Call 65,500 7.73 1,735 15.28 n/a n/a n/a
2024-05-15 2024-03-31 13F MILLERKNOLL COM Call 60,800 -2.72 1,505 -9.72 n/a n/a n/a
2024-02-14 2023-12-31 13F MILLERKNOLL COM Call 62,500 -38.54 1,668 -32.94 n/a n/a n/a
2023-11-14 2023-09-30 13F MILLERKNOLL COM Call 101,700 468.16 2,487 841.67 n/a n/a n/a
2023-08-14 2023-06-30 13F MILLERKNOLL COM Call 17,900 -29.25 265 -48.94 n/a n/a n/a
2023-05-15 2023-03-31 13F MILLERKNOLL COM Call 25,300 35.29 517 31.89 n/a n/a n/a
2023-02-14 2022-12-31 13F MILLERKNOLL COM Call 18,700 -32.97 393 -9.89 n/a n/a n/a
2022-11-14 2022-09-30 13F MILLERKNOLL COM Call 27,900 -10.00 435 -46.56 n/a n/a n/a
2022-08-15 2022-06-30 13F MILLERKNOLL COM Call 31,000 134.85 814 78.51 n/a n/a n/a
2022-05-16 2022-03-31 13F MILLERKNOLL COM Call 13,200 -29.03 456 -37.45 n/a n/a n/a
2022-02-14 2021-12-31 13F MILLERKNOLL COM Call 18,600 -64.84 729 -63.40 n/a n/a n/a
2021-11-15 2021-09-30 13F MILLER HERMAN Cmn Call 52,900 83.68 1,992 46.69 n/a n/a n/a
2021-08-16 2021-06-30 13F MILLER HERMAN COM Call 28,800 64.57 1,358 88.61 n/a n/a n/a
2021-05-21 2021-03-31 13F/A MILLER HERMAN COM Call 17,500 -73.60 720 -67.87 n/a n/a n/a
2021-05-17 2021-03-31 13F MILLER HERMAN COM Call 17,500 720 n/a n/a n/a
2021-02-16 2020-12-31 13F MILLER HERMAN COM Call 66,300 -57.28 2,241 -52.13 n/a n/a n/a
2020-11-16 2020-09-30 13F MILLER HERMAN COM Call 155,200 95.22 4,681 149.39 n/a n/a n/a
2020-08-14 2020-06-30 13F MILLER HERMAN Cmn Call 79,500 1,877 n/a n/a n/a
2020-05-15 2020-03-31 13F MILLER HERMAN Cmn Call 0 -100.00 0 -100.00 n/a n/a n/a
2020-02-14 2019-12-31 13F MILLER HERMAN Cmn Call 11,300 -23.13 471 -30.53 n/a n/a n/a
2019-11-14 2019-09-30 13F MILLER HERMAN Cmn Call 14,700 122.73 678 129.83 n/a n/a n/a
2019-08-14 2019-06-30 13F MILLER HERMAN Cmn Call 6,600 295 n/a n/a n/a
2019-05-15 2019-03-31 13F MILLER HERMAN Cmn Call 0 -100.00 0 -100.00 n/a n/a n/a
2019-02-14 2018-12-31 13F MILLER HERMAN Cmn Call 7,700 -59.69 233 -68.21 n/a n/a n/a
2018-11-13 2018-09-30 13F MILLER HERMAN Cmn Call 19,100 733 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
(%)
2026-02-17 2025-12-31 13F MILLERKNOLL COM Put 0 -100.00 0 n/a n/a n/a
2025-11-14 2025-09-30 13F MILLERKNOLL COM Put 37,400 3.31 663 -5.69 n/a n/a n/a
2025-08-14 2025-06-30 13F MILLERKNOLL COM Put 36,200 -28.88 703 -27.82 n/a n/a n/a
2025-05-15 2025-03-31 13F MILLERKNOLL COM Put 50,900 57.59 974 33.61 n/a n/a n/a
2025-02-14 2024-12-31 13F MILLERKNOLL COM Put 32,300 146.56 730 125.00 n/a n/a n/a
2024-11-14 2024-09-30 13F MILLERKNOLL COM Put 13,100 -61.24 324 -63.80 n/a n/a n/a
2024-08-14 2024-06-30 13F MILLERKNOLL COM Put 33,800 32.55 895 41.84 n/a n/a n/a
2024-05-15 2024-03-31 13F MILLERKNOLL COM Put 25,500 -3.41 631 -10.37 n/a n/a n/a
2024-02-14 2023-12-31 13F MILLERKNOLL COM Put 26,400 261.64 704 295.51 n/a n/a n/a
2023-11-14 2023-09-30 13F MILLERKNOLL COM Put 7,300 -68.40 178 -47.80 n/a n/a n/a
2023-08-14 2023-06-30 13F MILLERKNOLL COM Put 23,100 -59.54 341 -70.78 n/a n/a n/a
2023-05-15 2023-03-31 13F MILLERKNOLL COM Put 57,100 465.35 1,168 450.47 n/a n/a n/a
2023-02-14 2022-12-31 13F MILLERKNOLL COM Put 10,100 -84.81 212 -79.56 n/a n/a n/a
2022-11-14 2022-09-30 13F MILLERKNOLL COM Put 66,500 303.03 1,037 139.49 n/a n/a n/a
2022-08-15 2022-06-30 13F MILLERKNOLL COM Put 16,500 -2.94 433 -26.36 n/a n/a n/a
2022-05-16 2022-03-31 13F MILLERKNOLL COM Put 17,000 62.96 588 43.77 n/a n/a n/a
2022-02-14 2021-12-31 13F MILLERKNOLL COM Put 10,432 -83.44 409 -82.76 n/a n/a n/a
2021-11-15 2021-09-30 13F MILLER HERMAN Cmn Put 63,000 -13.10 2,373 -30.57 n/a n/a n/a
2021-08-16 2021-06-30 13F MILLER HERMAN COM Put 72,500 47.66 3,418 69.21 n/a n/a n/a
2021-05-21 2021-03-31 13F/A MILLER HERMAN COM Put 49,100 -44.96 2,020 -33.00 n/a n/a n/a
2021-05-17 2021-03-31 13F MILLER HERMAN COM Put 49,100 2,020 n/a n/a n/a
2021-02-16 2020-12-31 13F MILLER HERMAN COM Put 89,200 252.57 3,015 295.15 n/a n/a n/a
2020-11-16 2020-09-30 13F MILLER HERMAN COM Put 25,300 1.61 763 29.76 n/a n/a n/a
2020-08-14 2020-06-30 13F MILLER HERMAN Cmn Put 24,900 84.44 588 96.00 n/a n/a n/a
2020-05-15 2020-03-31 13F MILLER HERMAN Cmn Put 13,500 -57.01 300 -77.06 n/a n/a n/a
2020-02-14 2019-12-31 13F MILLER HERMAN Cmn Put 31,400 139.69 1,308 116.56 n/a n/a n/a
2019-11-14 2019-09-30 13F MILLER HERMAN Cmn Put 13,100 74.67 604 80.30 n/a n/a n/a
2019-08-14 2019-06-30 13F MILLER HERMAN Cmn Put 7,500 -25.74 335 -5.63 n/a n/a n/a
2019-05-15 2019-03-31 13F MILLER HERMAN Cmn Put 10,100 355 n/a n/a n/a
2018-05-14 2018-03-31 13F/A MILLER HERMAN Cmn Put 0 -100.00 0 -100.00 n/a n/a n/a
2018-02-09 2017-12-31 13F MILLER HERMAN Cmn Put 5,600 224 n/a n/a n/a
2017-02-10 2016-12-31 13F MILLER (HERMAN) INC CMN STK Cmn Put 0 -100.00 0 -100.00 n/a n/a n/a
2017-01-31 2016-09-30 13F/A MILLER HERMAN Cmn Put 7,800 223 n/a n/a n/a
2016-11-10 2016-09-30 13F MILLER (HERMAN) INC CMN STK Cmn Put 7,800 223 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.