Cisco Systems, Inc.
CH ˙ SWX ˙ US17275R1023
SecurityCH:CSCO / Cisco Systems, Inc.
InstitutionMillennium Management Llc
ManagerIsrael Englander
Latest Disclosed Ownership4,205,969 shares
Latest Disclosed Value $ 326,341,135
Millennium Management Llc ownership in CSCO / Cisco Systems, Inc.

On May 15, 2026 - Millennium Management Llc filed a 13F-HR form disclosing ownership of 4,205,969 shares of Cisco Systems, Inc. (CH:CSCO) valued at $326,341,135 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 17, 2026 disclosing 957,416 shares of Cisco Systems, Inc.. This represents a change in shares of 339.30% during the quarter.

Millennium Management Llc has a history of taking positions in derivatives of the underlying security (CSCO) in the form of stock options. The firm currently holds call options representing 2,048,900 of underlying shares valued at $158,974,151 USD and put options representing 2,848,100 of underlying shares valued at $220,984,079 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
(Premium Subscription Required)

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.

CH:CSCO / Cisco Systems, 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 CISCO SYS COM 17275R102 4,205,969 3,248,553 339.30 326,341 342.50 0.1358
2026-02-17 2025-12-31 13F CISCO SYS COM 17275R102 957,416 21,506 2.30 73,750 15.17 0.0310
2025-11-14 2025-09-30 13F CISCO SYS COM 17275R102 935,910 -1,651,442 -63.83 64,035 -64.33 0.0273
2025-08-14 2025-06-30 13F CISCO SYS COM 17275R102 2,587,352 1,359,910 110.79 179,510 136.99 0.0867
2025-05-15 2025-03-31 13F CISCO SYS COM 17275R102 1,227,442 -4,776,911 -79.56 75,745 -78.69 0.0403
2025-02-14 2024-12-31 13F CISCO SYS COM 17275R102 6,004,353 4,452,677 286.96 355,458 330.44 0.1737
2024-11-14 2024-09-30 13F CISCO SYS COM 17275R102 1,551,676 704,229 83.10 82,580 105.11 0.0392
2024-08-14 2024-06-30 13F CISCO SYS COM 17275R102 847,447 110,257 14.96 40,262 9.43 0.0186
2024-05-15 2024-03-31 13F CISCO SYS COM 17275R102 737,190 -53,342 -6.75 36,793 -7.87 0.0157
2024-02-14 2023-12-31 13F CISCO SYS COM 17275R102 790,532 -1,066,342 -57.43 39,938 -59.99 0.0173
2023-11-14 2023-09-30 13F CISCO SYS COM 17275R102 1,856,874 1,417,589 322.70 99,826 339.22 0.0504
2023-08-14 2023-06-30 13F CISCO SYS COM 17275R102 439,285 258,714 143.28 22,729 140.79 0.0112
2023-05-15 2023-03-31 13F CISCO SYS COM 17275R102 180,571 -1,878,691 -91.23 9,439 -90.38 0.0054
2023-02-14 2022-12-31 13F CISCO SYS COM 17275R102 2,059,262 -2,830,487 -57.89 98,103 -49.84 0.0543
2022-11-14 2022-09-30 13F CISCO SYS COM 17275R102 4,889,749 1,698,242 53.21 195,590 43.73 0.1157
2022-08-15 2022-06-30 13F CISCO SYS COM 17275R102 3,191,507 2,655,886 495.85 136,086 355.66 0.0844
2022-05-16 2022-03-31 13F CISCO SYS COM 17275R102 535,621 -117,758 -18.02 29,866 -27.87 0.0158
2022-02-14 2021-12-31 13F CISCO SYS COM 17275R102 653,379 47,297 7.80 41,405 25.51 0.0210
2021-11-15 2021-09-30 13F CISCO SYS COM 17275R102 606,082 375,334 162.66 32,989 169.74 0.0198
2021-08-16 2021-06-30 13F CISCO SYS COM 17275R102 230,748 -509,482 -68.83 12,230 -68.05 0.0075
2021-05-17 2021-03-31 13F CISCO SYS COM 17275R102 740,230 -548,667 -42.57 38,277 -33.64 0.0274
2021-02-16 2020-12-31 13F CISCO SYS COM 17275R102 1,288,897 -470,452 -26.74 57,678 -16.77 0.0416
2020-11-16 2020-09-30 13F CISCO SYS COM 17275R102 1,759,349 606,965 52.67 69,301 28.94 0.0853
2020-08-14 2020-06-30 13F CISCO SYS COM 17275R102 1,152,384 728,632 171.95 53,747 222.65 0.0736
2020-05-14 2020-03-31 13F CISCO SYS COM 17275R102 423,752 -504,482 -54.35 16,658 -62.58 0.0374
2020-02-14 2019-12-31 13F CISCO SYS COM 17275R102 928,234 -1,125,038 -54.79 44,518 -56.12 0.0557
2019-11-14 2019-09-30 13F CISCO SYS COM 17275R102 2,053,272 -2,589,201 -55.77 101,452 -60.07 0.1604
2019-08-15 2019-06-30 13F/A-1 CISCO SYS COM 17275R102 4,642,473 3,480,803 299.64 254,083 305.11 0.3820
2019-08-14 2019-06-30 13F PAN AMERICAN SILVER COM 17275R102 1,671,710 510,040 21,582
2019-05-14 2019-03-31 13F CISCO SYS COM 17275R102 1,161,670 -2,704,315 -69.95 62,719 -62.56 0.0939
2019-02-15 2018-12-31 13F/A-1 CISCO SYS COM 17275R102 3,865,985 -1,891,724 -32.86 167,513 -40.20 0.2612
2019-02-14 2018-12-31 13F CISCO SYS COM 17275R102 3,865,985 167,513
2018-11-14 2018-09-30 13F CISCO SYS COM 17275R102 5,757,709 3,289,076 133.23 280,113 163.70 0.3433
2018-08-14 2018-06-30 13F CISCO SYS COM 17275R102 2,468,633 -335,142 -11.95 106,225 -11.67 0.1386
2018-05-15 2018-03-31 13F CISCO SYS COM 17275R102 2,803,775 709,442 33.87 120,254 49.92 0.1605
2018-02-14 2017-12-31 13F CISCO SYS COM 17275R102 2,094,333 1,956,143 1,415.55 80,213 1,626.12 0.1107
2017-11-14 2017-09-30 13F CISCO SYS COM 17275R102 138,190 44,108 46.88 4,647 57.79 0.0071
2017-08-14 2017-06-30 13F CISCO SYS COM 17275R102 94,082 -2,972,003 -96.93 2,945 -97.16 0.0053
2017-05-15 2017-03-31 13F CISCO SYS COM 17275R102 3,066,085 3,066,085 103,634 0.1899
2017-02-14 2016-12-31 13F CISCO SYS COM 17275R102 0 -4,413,521 -100.00 0 -100.00
2016-11-14 2016-09-30 13F CISCO SYS COM 17275R102 4,413,521 628,553 16.61 139,997 28.92 0.2348
2016-08-15 2016-06-30 13F CISCO SYS COM 17275R102 3,784,968 1,722,776 83.54 108,591 84.96 0.2486
2016-05-16 2016-03-31 13F CISCO SYS COM 17275R102 2,062,192 -1,092,566 -34.63 58,711 -31.47 0.1467
2016-02-16 2015-12-31 13F CISCO SYS COM 17275R102 3,154,758 -3,781,599 -54.52 85,667 -52.95 0.1801
2015-11-16 2015-09-30 13F CISCO SYS COM 17275R102 6,936,357 3,259,317 88.64 182,079 80.33 0.3526
2015-08-14 2015-06-30 13F CISCO SYS COM 17275R102 3,677,040 -1,498,885 -28.96 100,972 -29.13 0.1910
2015-05-15 2015-03-31 13F CISCO SYS COM 17275R102 5,175,925 1,875,632 56.83 142,467 55.20 0.2651
2015-02-17 2014-12-31 13F CISCO SYS COM 17275R102 3,300,293 1,761,544 114.48 91,798 137.02 0.1945
2014-11-14 2014-09-30 13F CISCO SYS COM 17275R102 1,538,749 940,728 157.31 38,730 160.62 0.0980
2014-08-14 2014-06-30 13F CISCO SYS COM 17275R102 598,021 -2,184 -0.36 14,861 10.46 0.0412
2014-05-15 2014-03-31 13F CISCO SYS COM 17275R102 600,205 403,505 205.14 13,454 204.94 0.0390
2014-02-14 2013-12-31 13F CISCO SYS COM 17275R102 196,700 -14,196 -6.73 4,412 -10.72 0.0139
2013-11-14 2013-09-30 13F CISCO SYS COM 17275R102 210,896 -1,065,555 -83.48 4,942 -84.09 0.0159
2013-08-14 2013-06-30 13F CISCO SYS COM 17275R102 1,276,451 1,276,451 31,062 0.0952
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 CISCO SYS COM Call 2,048,900 86.86 158,974 88.22 n/a n/a n/a
2026-02-17 2025-12-31 13F CISCO SYS COM Call 1,096,500 -31.08 84,463 -22.41 n/a n/a n/a
2025-11-14 2025-09-30 13F CISCO SYS COM Call 1,591,000 -33.90 108,856 -34.82 n/a n/a n/a
2025-08-14 2025-06-30 13F CISCO SYS COM Call 2,407,000 107.02 166,998 132.75 n/a n/a n/a
2025-05-15 2025-03-31 13F CISCO SYS COM Call 1,162,700 -19.21 71,750 -15.78 n/a n/a n/a
2025-02-14 2024-12-31 13F CISCO SYS COM Call 1,439,100 -39.19 85,195 -32.36 n/a n/a n/a
2024-11-14 2024-09-30 13F CISCO SYS COM Call 2,366,600 87.13 125,950 109.62 n/a n/a n/a
2024-08-14 2024-06-30 13F CISCO SYS COM Call 1,264,700 -29.15 60,086 -32.56 n/a n/a n/a
2024-05-15 2024-03-31 13F CISCO SYS COM Call 1,785,100 -45.91 89,094 -46.56 n/a n/a n/a
2024-02-14 2023-12-31 13F CISCO SYS COM Call 3,300,200 -12.94 166,726 -18.19 n/a n/a n/a
2023-11-14 2023-09-30 13F CISCO SYS COM Call 3,790,900 -2.75 203,799 1.05 n/a n/a n/a
2023-08-14 2023-06-30 13F CISCO SYS COM Call 3,897,900 -15.51 201,677 -16.38 n/a n/a n/a
2023-05-15 2023-03-31 13F CISCO SYS COM Call 4,613,600 -25.92 241,176 -18.72 n/a n/a n/a
2023-02-14 2022-12-31 13F CISCO SYS COM Call 6,228,100 2.98 296,707 22.65 n/a n/a n/a
2022-11-14 2022-09-30 13F CISCO SYS COM Call 6,048,000 198.84 241,920 180.34 n/a n/a n/a
2022-08-15 2022-06-30 13F CISCO SYS COM Call 2,023,800 234.24 86,295 155.59 n/a n/a n/a
2022-05-16 2022-03-31 13F CISCO SYS COM Call 605,500 -56.79 33,763 -61.98 n/a n/a n/a
2022-02-14 2021-12-31 13F CISCO SYS COM Call 1,401,400 -7.01 88,807 8.26 n/a n/a n/a
2021-11-15 2021-09-30 13F CISCO SYS COM Call 1,507,100 -28.27 82,031 -26.33 n/a n/a n/a
2021-08-16 2021-06-30 13F CISCO SYS COM Call 2,101,000 -35.01 111,353 -33.39 n/a n/a n/a
2021-05-17 2021-03-31 13F CISCO SYS COM Call 3,233,000 -2.52 167,178 12.64 n/a n/a n/a
2021-02-16 2020-12-31 13F CISCO SYS COM Call 3,316,500 68.78 148,413 91.75 n/a n/a n/a
2020-11-16 2020-09-30 13F CISCO SYS COM Call 1,965,000 90.46 77,401 60.86 n/a n/a n/a
2020-08-14 2020-06-30 13F CISCO SYS COM Call 1,031,700 62.17 48,118 92.40 n/a n/a n/a
2020-05-14 2020-03-31 13F CISCO SYS COM Call 636,200 -12.22 25,009 -28.05 n/a n/a n/a
2020-02-14 2019-12-31 13F CISCO SYS COM Call 724,800 454.13 34,761 437.93 n/a n/a n/a
2019-11-14 2019-09-30 13F CISCO SYS COM Call 130,800 -74.43 6,462 -76.92 n/a n/a n/a
2019-08-15 2019-06-30 13F/A CISCO SYS COM Call 511,500 -20.40 27,994 -19.31 n/a n/a n/a
2019-08-14 2019-06-30 13F MPLX COM UNIT REP LTD Call 38,900 1,252 n/a n/a n/a
2019-05-14 2019-03-31 13F CISCO SYS COM Call 642,600 84.18 34,694 129.49 n/a n/a n/a
2019-02-15 2018-12-31 13F/A CISCO SYS COM Call 348,900 15,118 n/a n/a n/a
2019-02-14 2018-12-31 13F CISCO SYS COM Call 348,900 15,118 n/a n/a n/a
2014-08-14 2014-06-30 13F CISCO SYS COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2014-05-15 2014-03-31 13F CISCO SYS COM Call 275,500 -0.07 6,175 -0.15 n/a n/a n/a
2014-02-14 2013-12-31 13F CISCO SYS COM Call 275,700 37.85 6,184 27.06 n/a n/a n/a
2013-11-14 2013-09-30 13F CISCO SYS COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2013-08-14 2013-06-30 13F CISCO SYS COM Call 200,000 4,867 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 CISCO SYS COM Put 2,848,100 20.49 220,984 21.37 n/a n/a n/a
2026-02-17 2025-12-31 13F CISCO SYS COM Put 2,363,700 12.38 182,076 26.52 n/a n/a n/a
2025-11-14 2025-09-30 13F CISCO SYS COM Put 2,103,300 -16.02 143,908 -17.18 n/a n/a n/a
2025-08-14 2025-06-30 13F CISCO SYS COM Put 2,504,600 43.63 173,769 61.48 n/a n/a n/a
2025-05-15 2025-03-31 13F CISCO SYS COM Put 1,743,800 -20.15 107,610 -16.76 n/a n/a n/a
2025-02-14 2024-12-31 13F CISCO SYS COM Put 2,183,800 -4.96 129,281 5.72 n/a n/a n/a
2024-11-14 2024-09-30 13F CISCO SYS COM Put 2,297,700 55.52 122,284 74.21 n/a n/a n/a
2024-08-14 2024-06-30 13F CISCO SYS COM Put 1,477,400 -45.53 70,191 -48.14 n/a n/a n/a
2024-05-15 2024-03-31 13F CISCO SYS COM Put 2,712,100 -12.06 135,361 -13.13 n/a n/a n/a
2024-02-14 2023-12-31 13F CISCO SYS COM Put 3,084,200 -18.64 155,814 -23.55 n/a n/a n/a
2023-11-14 2023-09-30 13F CISCO SYS COM Put 3,790,900 55.43 203,799 61.50 n/a n/a n/a
2023-08-14 2023-06-30 13F CISCO SYS COM Put 2,439,000 4.50 126,194 3.43 n/a n/a n/a
2023-05-15 2023-03-31 13F CISCO SYS COM Put 2,333,900 -28.24 122,005 -21.26 n/a n/a n/a
2023-02-14 2022-12-31 13F CISCO SYS COM Put 3,252,500 46.38 154,949 74.34 n/a n/a n/a
2022-11-14 2022-09-30 13F CISCO SYS COM Put 2,221,900 -7.36 88,876 -13.10 n/a n/a n/a
2022-08-15 2022-06-30 13F CISCO SYS COM Put 2,398,500 -32.19 102,272 -48.14 n/a n/a n/a
2022-05-16 2022-03-31 13F CISCO SYS COM Put 3,537,000 -36.09 197,223 -43.76 n/a n/a n/a
2022-02-14 2021-12-31 13F CISCO SYS COM Put 5,534,100 15.99 350,696 35.04 n/a n/a n/a
2021-11-15 2021-09-30 13F CISCO SYS COM Put 4,771,100 -6.40 259,691 -3.87 n/a n/a n/a
2021-08-16 2021-06-30 13F CISCO SYS COM Put 5,097,200 -36.07 270,152 -34.47 n/a n/a n/a
2021-05-17 2021-03-31 13F CISCO SYS COM Put 7,973,000 13.41 412,284 31.04 n/a n/a n/a
2021-02-16 2020-12-31 13F CISCO SYS COM Put 7,030,500 58.94 314,615 80.57 n/a n/a n/a
2020-11-16 2020-09-30 13F CISCO SYS COM Put 4,423,400 138.09 174,238 101.08 n/a n/a n/a
2020-08-14 2020-06-30 13F CISCO SYS COM Put 1,857,900 -6.98 86,652 10.37 n/a n/a n/a
2020-05-14 2020-03-31 13F CISCO SYS COM Put 1,997,300 23.92 78,514 1.57 n/a n/a n/a
2020-02-14 2019-12-31 13F CISCO SYS COM Put 1,611,800 452.36 77,302 436.19 n/a n/a n/a
2019-11-14 2019-09-30 13F CISCO SYS COM Put 291,800 -74.92 14,417 -77.36 n/a n/a n/a
2019-08-15 2019-06-30 13F/A CISCO SYS COM Put 1,163,500 5.90 63,678 7.35 n/a n/a n/a
2019-08-14 2019-06-30 13F CISCO SYS COM Put 1,163,500 63,678 n/a n/a n/a
2019-05-14 2019-03-31 13F CISCO SYS COM Put 1,098,700 38.15 59,319 72.14 n/a n/a n/a
2019-02-15 2018-12-31 13F/A CISCO SYS COM Put 795,300 12.33 34,460 0.05 n/a n/a n/a
2019-02-14 2018-12-31 13F CISCO SYS COM Put 795,300 34,460 n/a n/a n/a
2018-11-14 2018-09-30 13F CISCO SYS COM Put 708,000 372.00 34,444 433.60 n/a n/a n/a
2018-08-14 2018-06-30 13F CISCO SYS COM Put 150,000 6,455 n/a n/a n/a
2015-05-15 2015-03-31 13F CISCO SYS COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2015-02-17 2014-12-31 13F CISCO SYS COM Put 95,600 0.42 2,659 10.98 n/a n/a n/a
2014-11-14 2014-09-30 13F CISCO SYS COM Put 95,200 -1.35 2,396 -0.08 n/a n/a n/a
2014-08-14 2014-06-30 13F CISCO SYS COM Put 96,500 -87.71 2,398 -86.38 n/a n/a n/a
2014-05-15 2014-03-31 13F CISCO SYS COM Put 785,300 -11.32 17,602 -11.38 n/a n/a n/a
2014-02-14 2013-12-31 13F CISCO SYS COM Put 885,500 340.33 19,862 321.52 n/a n/a n/a
2013-11-14 2013-09-30 13F CISCO SYS COM Put 201,100 0.55 4,712 -3.18 n/a n/a n/a
2013-08-14 2013-06-30 13F CISCO SYS COM Put 200,000 4,867 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.