Fortinet, Inc.
MX ˙ BMV ˙ US34959E1091
SecurityMX:FTNT / Fortinet, Inc.
InstitutionDeutsche Bank Ag\
Latest Disclosed Ownership6,443,964 shares
Latest Disclosed Value $ 526,600,740
Deutsche Bank Ag\ ownership in FTNT / Fortinet, Inc.

On May 6, 2026 - Deutsche Bank Ag\ filed a 13F-HR form disclosing ownership of 6,443,964 shares of Fortinet, Inc. (MX:FTNT) valued at $526,600,740 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 11, 2026 disclosing 6,732,152 shares of Fortinet, Inc.. This represents a change in shares of -4.28% during the quarter.

Deutsche Bank Ag\ has a history of taking positions in derivatives of the underlying security (FTNT) 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.

MX:FTNT / Fortinet, 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)
2026-05-06 2026-03-31 13F FORTINET COM 34959E109 6,443,964 -288,188 -4.28 526,601 -1.50 0.0339
2026-02-11 2025-12-31 13F FORTINET COM 34959E109 6,732,152 1,020,515 17.87 534,600 11.32 0.1741
2025-11-13 2025-09-30 13F FORTINET COM 34959E109 5,711,637 1,510,080 35.94 480,234 8.12 0.1609
2025-08-12 2025-06-30 13F FORTINET COM 34959E109 4,201,557 -262,769 -5.89 444,189 3.36 0.1636
2025-05-09 2025-03-31 13F FORTINET COM 34959E109 4,464,326 229,838 5.43 429,736 7.41 0.1703
2025-06-30 2024-12-31 13F/A-1 FORTINET COM 34959E109 4,234,488 126,441 3.08 400,074 25.58 0.1566
2025-02-14 2024-12-31 13F FORTINET COM 34959E109 4,234,488 126,441 400,074 0.1561
2025-06-26 2024-09-30 13F/A-1 FORTINET COM 34959E109 4,108,047 1,306,014 46.61 318,579 88.64 0.1297
2024-11-13 2024-09-30 13F FORTINET COM 34959E109 4,108,047 1,306,014 318,579 0.1297
2025-06-12 2024-06-30 13F/A-1 FORTINET COM 34959E109 2,802,033 160,094 6.06 168,879 -6.42 0.0762
2024-08-14 2024-06-30 13F FORTINET COM 34959E109 2,802,033 160,094 168,879 0.0762
2025-06-02 2024-03-31 13F/A-1 FORTINET COM 34959E109 2,641,939 482,845 22.36 180,471 42.81 0.0838
2024-05-15 2024-03-31 13F FORTINET COM 34959E109 2,641,939 482,845 180,471 0.0838
2024-02-14 2023-12-31 13F FORTINET COM 34959E109 2,159,094 237,237 12.34 126,372 12.06 0.0645
2023-11-24 2023-09-30 13F/A-1 FORTINET COM 34959E109 1,921,857 30,129 1.59 112,775 -21.13 0.0728
2023-11-09 2023-09-30 13F FORTINET COM 34959E109 1,921,857 30,129 112,775 0.0149
2023-08-14 2023-06-30 13F FORTINET COM 34959E109 1,891,728 -271,516 -12.55 142,996 -0.54 0.0760
2023-05-15 2023-03-31 13F FORTINET COM 34959E109 2,163,244 548,721 33.99 143,769 82.14 0.0801
2023-02-13 2022-12-31 13F FORTINET COM 34959E109 1,614,523 188,717 13.24 78,934 12.68 0.0454
2022-11-14 2022-09-30 13F FORTINET COM 34959E109 1,425,806 194,086 15.76 70,050 0.52 0.0423
2022-08-11 2022-06-30 13F FORTINET COM 34959E109 1,231,720 911,888 285.11 69,691 -36.24 0.0389
2022-05-13 2022-03-31 13F FORTINET COM 34959E109 319,832 71,857 28.98 109,299 22.64 0.0510
2022-02-16 2021-12-31 13F/A-1 FORTINET COM 34959E109 247,975 -83,520 -25.19 89,122 -7.94 0.0401
2022-02-11 2021-12-31 13F FORTINET COM 34959E109 247,975 -83,520 89,122 0.0044
2021-11-04 2021-09-30 13F FORTINET COM 34959E109 331,495 -1,638 -0.49 96,810 22.01 0.0459
2021-08-11 2021-06-30 13F FORTINET COM 34959E109 333,133 7,414 2.28 79,348 32.10 0.0385
2021-05-13 2021-03-31 13F FORTINET COM 34959E109 325,719 -153,421 -32.02 60,068 -15.60 0.0324
2021-02-16 2020-12-31 13F FORTINET COM 34959E109 479,140 -572,717 -54.45 71,167 -42.57 0.0434
2020-11-12 2020-09-30 13F FORTINET COM 34959E109 1,051,857 383,954 57.49 123,920 35.16 0.0852
2020-08-13 2020-06-30 13F FORTINET COM 34959E109 667,903 -389,543 -36.84 91,683 -14.30 0.0697
2020-05-14 2020-03-31 13F FORTINET COM 34959E109 1,057,446 688,012 186.23 106,981 171.30 0.0955
2020-02-14 2019-12-31 13F FORTINET COM 34959E109 369,434 -369,266 -49.99 39,433 -30.45 0.0257
2019-11-14 2019-09-30 13F FORTINET COM 34959E109 738,700 24,400 3.42 56,696 3.32 0.0394
2019-08-14 2019-06-30 13F FORTINET COM 34959E109 714,300 143,935 25.24 54,873 14.58 0.0322
2019-05-15 2019-03-31 13F FORTINET COM 34959E109 570,365 111,846 24.39 47,889 48.31 0.0285
2019-04-01 2018-12-31 13F/A-1 FORTINET COM 34959E109 458,519 -230,943 -33.50 32,289 -49.24 0.0229
2019-02-14 2018-12-31 13F FORTINET COM 34959E109 458,519 2,477 32,289
2021-12-21 2018-09-30 13F/A-1 FORTINET COM 34959E109 689,462 104,560 17.88 63,616 74.22 0.0322
2018-11-14 2018-09-30 13F FORTINET COM 34959E109 456,042 -128,860 42,075 0.0291
2020-04-21 2018-06-30 13F/A-1 FORTINET COM 34959E109 584,902 -1,025,336 -63.68 36,515 -57.67 0.0182
2018-08-14 2018-06-30 13F FORTINET COM 34959E109 580,605 -1,029,633 36,243 24,072.5103
2019-10-23 2018-03-31 13F/A-2 FORTINET COM 34959E109 1,610,238 1,074,096 200.34 86,272 268.38 0.0412
2019-10-18 2018-03-31 13F/A-1 FORTINET COM 34959E109 1,610,238 0 86,272 0.0412
2018-05-15 2018-03-31 13F FORTINET COM 34959E109 462,622 -73,520 24,782
2018-02-14 2017-12-31 13F FORTINET COM 34959E109 536,142 -255,303 -32.26 23,419 -17.42 0.0150
2017-11-14 2017-09-30 13F FORTINET COM 34959E109 791,445 -372,016 -31.97 28,360 -34.89 0.0194
2017-08-11 2017-06-30 13F FORTINET COM 34959E109 1,163,461 395,736 51.55 43,555 47.96 0.0311
2017-05-15 2017-03-31 13F FORTINET COM 34959E109 767,725 -248,198 -24.43 29,437 -3.79 0.0217
2017-02-14 2016-12-31 13F FORTINET COM 34959E109 1,015,923 -19,053 -1.84 30,596 -19.94 0.0246
2016-11-14 2016-09-30 13F FORTINET COM 34959E109 1,034,976 97,851 10.44 38,215 29.10 0.0271
2016-08-15 2016-06-30 13F FORTINET COM 34959E109 937,125 511,319 120.08 29,600 127.03 0.0209
2016-05-16 2016-03-31 13F FORTINET COM 34959E109 425,806 11,343 2.74 13,038 0.94 0.0098
2016-02-16 2015-12-31 13F FORTINET COM 34959E109 414,463 202,244 95.30 12,916 43.35 0.0089
2015-11-17 2015-09-30 13F FORTINET COM 34959E109 212,219 105,422 98.71 9,010 104.26 0.0070
2015-08-12 2015-06-30 13F FORTINET COM 34959E109 106,797 -108,835 -50.47 4,411 -41.43 0.0028
2015-05-15 2015-03-31 13F FORTINET COM 34959E109 215,632 17,645 8.91 7,531 24.13 0.0047
2015-02-13 2014-12-31 13F FORTINET COM 34959E109 197,987 -205,786 -50.97 6,067 -40.51 0.0037
2014-11-14 2014-09-30 13F FORTINET COM 34959E109 403,773 105,270 35.27 10,198 36.05 0.0063
2014-08-15 2014-06-30 13F FORTINET COM 34959E109 298,503 -8,759 -2.85 7,496 10.82 0.0051
2014-05-15 2014-03-31 13F FORTINET COM 34959E109 307,262 131,047 74.37 6,764 100.71 0.0048
2014-02-24 2013-12-31 13F/A-1 FORTINET COM 34959E109 176,215 72,440 69.80 3,370 60.55 0.0024
2014-02-18 2013-12-31 13F FORTINET COM 34959E109 176,215 3,370
2013-11-18 2013-09-30 13F FORTINET COM 34959E109 103,775 -157,170 -60.23 2,099 -54.01 0.0015
2013-08-16 2013-06-30 13F FORTINET COM 034959E10 260,945 260,945 4,564 0.0037
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
(%)
2014-05-15 2014-03-31 13F FORTINET COM Call 0 -100.00 0 n/a n/a n/a
2014-02-24 2013-12-31 13F/A FORTINET COM Call 1,200 500.00 0 n/a n/a n/a
2014-02-18 2013-12-31 13F FORTINET COM Call 1,200 0 n/a n/a n/a
2013-11-18 2013-09-30 13F FORTINET COM Call 200 0 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
(%)
2019-11-14 2019-09-30 13F FORTINET COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2019-08-14 2019-06-30 13F FORTINET COM Put 442 33 n/a n/a n/a
2015-05-15 2015-03-31 13F FORTINET COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2015-02-13 2014-12-31 13F FORTINET COM Put 1,050 0.00 32 23.08 n/a n/a n/a
2014-11-14 2014-09-30 13F FORTINET COM Put 1,050 0.00 26 0.00 n/a n/a n/a
2014-08-15 2014-06-30 13F FORTINET COM Put 1,050 0.00 26 2,500.00 n/a n/a n/a
2014-05-15 2014-03-31 13F FORTINET COM Put 1,050 49.79 1 n/a n/a n/a
2014-02-24 2013-12-31 13F/A FORTINET COM Put 701 7.68 0 n/a n/a n/a
2014-02-18 2013-12-31 13F FORTINET COM Put 701 0 n/a n/a n/a
2013-11-18 2013-09-30 13F FORTINET COM Put 651 0 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.