Synopsys, Inc.
US ˙ NasdaqGS ˙ US8716071076

SecuritySNPS / Synopsys, Inc.
InstitutionCitigroup Inc
Latest Disclosed Ownership335,269 shares
Latest Disclosed Value $ 132,927,453
Citigroup Inc ownership in SNPS / Synopsys, Inc.

On May 11, 2026 - Citigroup Inc filed a 13F-HR form disclosing ownership of 335,269 shares of Synopsys, Inc. (US:SNPS) valued at $132,927,453 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 13, 2026 disclosing 409,426 shares of Synopsys, Inc.. This represents a change in shares of -18.11% during the quarter. The current value of the position is $166,970,667 USD.

Citigroup Inc has a history of taking positions in derivatives of the underlying security (SNPS) in the form of stock options. The firm currently holds call options representing 20,000 of underlying shares valued at $7,929,600 USD and put options representing 17,500 of underlying shares valued at $6,938,400 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.

SNPS / Synopsys, 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 SYNOPSYS COM 871607107 335,269 -74,157 -18.11 132,927 -30.88 0.0285
2026-02-13 2025-12-31 13F SYNOPSYS COM 871607107 409,426 10,373 2.60 192,316 -2.32 0.0849
2025-11-10 2025-09-30 13F SYNOPSYS COM 871607107 399,053 17,380 4.55 196,889 0.62 0.0878
2025-08-11 2025-06-30 13F SYNOPSYS COM 871607107 381,673 88,915 30.37 195,676 55.86 0.0961
2025-05-12 2025-03-31 13F SYNOPSYS COM 871607107 292,758 118,206 67.72 125,549 48.19 0.0642
2025-02-12 2024-12-31 13F SYNOPSYS COM 871607107 174,552 -128,314 -42.37 84,721 -44.76 0.0503
2024-11-12 2024-09-30 13F SYNOPSYS COM 871607107 302,866 86,058 39.69 153,368 18.88 0.0888
2024-08-12 2024-06-30 13F SYNOPSYS COM 871607107 216,808 41,285 23.52 129,014 28.61 0.0827
2024-05-10 2024-03-31 13F SYNOPSYS COM 871607107 175,523 -64,498 -26.87 100,311 -18.84 0.0659
2024-02-09 2023-12-31 13F SYNOPSYS COM 871607107 240,021 106,759 80.11 123,589 102.06 0.0871
2023-12-06 2023-09-30 13F/A-1 SYNOPSYS COM 871607107 133,262 -15,336 -10.32 61,163 -5.47 0.0457
2023-11-09 2023-09-30 13F SYNOPSYS COM 871607107 133,262 -15,336 61,163 0.0183
2023-08-10 2023-06-30 13F SYNOPSYS COM 871607107 148,598 23,076 18.38 64,701 33.45 0.0424
2023-05-11 2023-03-31 13F SYNOPSYS COM 871607107 125,522 -7,560 -5.68 48,483 14.10 0.0340
2023-02-09 2022-12-31 13F SYNOPSYS COM 871607107 133,082 15,381 13.07 42,492 18.17 0.0338
2022-11-10 2022-09-30 13F SYNOPSYS COM 871607107 117,701 -804 -0.68 35,959 -0.09 0.0257
2022-08-10 2022-06-30 13F SYNOPSYS COM 871607107 118,505 -77,539 -39.55 35,991 -44.91 0.0268
2022-05-12 2022-03-31 13F SYNOPSYS COM 871607107 196,044 14,830 8.18 65,335 -2.16 0.0397
2022-02-10 2021-12-31 13F SYNOPSYS COM 871607107 181,214 86,081 90.48 66,777 134.44 0.0358
2021-11-10 2021-09-30 13F SYNOPSYS COM 871607107 95,133 -59,991 -38.67 28,484 -33.42 0.0168
2021-08-10 2021-06-30 13F SYNOPSYS COM 871607107 155,124 -27,891 -15.24 42,783 -5.66 0.0257
2021-05-13 2021-03-31 13F SYNOPSYS COM 871607107 183,015 -31,814 -14.81 45,348 -18.57 0.0293
2021-02-11 2020-12-31 13F SYNOPSYS COM 871607107 214,829 14,657 7.32 55,692 30.02 0.0329
2020-11-12 2020-09-30 13F SYNOPSYS COM 871607107 200,172 23,336 13.20 42,833 24.21 0.0279
2020-08-12 2020-06-30 13F SYNOPSYS COM 871607107 176,836 10,717 6.45 34,483 61.17 0.0269
2020-05-12 2020-03-31 13F SYNOPSYS COM 871607107 166,119 -124,232 -42.79 21,396 -47.06 0.0193
2020-02-12 2019-12-31 13F SYNOPSYS COM 871607107 290,351 30,345 11.67 40,417 13.25 0.0293
2019-11-08 2019-09-30 13F SYNOPSYS COM 871607107 260,006 -58,334 -18.32 35,687 -12.89 0.0283
2019-08-12 2019-06-30 13F SYNOPSYS COM 871607107 318,340 89,904 39.36 40,967 55.74 0.0331
2019-05-13 2019-03-31 13F SYNOPSYS COM 871607107 228,436 -223,799 -49.49 26,305 -30.95 0.0254
2019-02-12 2018-12-31 13F SYNOPSYS COM 871607107 452,235 260,665 136.07 38,096 101.67 0.0386
2018-11-13 2018-09-30 13F SYNOPSYS COM 871607107 191,570 -169,775 -46.98 18,890 -38.91 0.0169
2018-08-10 2018-06-30 13F SYNOPSYS COM 871607107 361,345 193,246 114.96 30,920 120.98 0.0284
2018-05-11 2018-03-31 13F SYNOPSYS COM 871607107 168,099 -20,100 -10.68 13,992 -12.78 0.0115
2018-02-12 2017-12-31 13F SYNOPSYS COM 871607107 188,199 25,750 15.85 16,042 22.63 0.0129
2017-11-13 2017-09-30 13F SYNOPSYS COM 871607107 162,449 34,760 27.22 13,082 40.49 0.0107
2017-08-11 2017-06-30 13F SYNOPSYS COM 871607107 127,689 78,462 159.39 9,312 162.24 0.0084
2017-05-12 2017-03-31 13F SYNOPSYS COM 871607107 49,227 -34,762 -41.39 3,551 -28.18 0.0032
2017-02-10 2016-12-31 13F SYNOPSYS COM 871607107 83,989 -132,558 -61.21 4,944 -61.53 0.0045
2016-11-10 2016-09-30 13F SYNOPSYS COM 871607107 216,547 69,034 46.80 12,853 61.13 0.0120
2016-08-12 2016-06-30 13F SYNOPSYS COM 871607107 147,513 10,514 7.67 7,977 20.21 0.0081
2016-05-13 2016-03-31 13F SYNOPSYS COM 871607107 136,999 89,207 186.66 6,636 204.54 0.0075
2016-02-12 2015-12-31 13F SYNOPSYS COM 871607107 47,792 -10,008 -17.31 2,179 -18.36 0.0022
2015-11-13 2015-09-30 13F SYNOPSYS COM 871607107 57,800 30,314 110.29 2,669 91.74 0.0025
2015-08-13 2015-06-30 13F SYNOPSYS COM 871607107 27,486 8,980 48.52 1,392 62.43 0.0012
2015-05-14 2015-03-31 13F SYNOPSYS COM 871607107 18,506 -20,098 -52.06 857 -48.93 0.0008
2015-02-17 2014-12-31 13F SYNOPSYS COM 871607107 38,604 22,406 138.33 1,678 160.96 0.0015
2014-11-14 2014-09-30 13F SYNOPSYS COM 871607107 16,198 -43,436 -72.84 643 -72.22 0.0006
2014-08-14 2014-06-30 13F SYNOPSYS COM 871607107 59,634 38,721 185.15 2,315 188.29 0.0022
2014-05-15 2014-03-31 13F SYNOPSYS COM 871607107 20,913 -83,074 -79.89 803 -80.97 0.0008
2014-02-14 2013-12-31 13F SYNOPSYS COM 871607107 103,987 89,511 618.34 4,219 672.71 0.0038
2013-11-14 2013-09-30 13F SYNOPSYS COM 871607107 14,476 -15,272 -51.34 546 -48.64 0.0005
2013-08-14 2013-06-30 13F SYNOPSYS COM 871607107 29,748 29,748 1,063 0.0010
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 SYNOPSYS COM Call 20,000 7,930 n/a n/a n/a
2026-02-13 2025-12-31 13F SYNOPSYS COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2025-11-10 2025-09-30 13F SYNOPSYS COM Call 39,500 19,489 n/a n/a n/a
2024-08-12 2024-06-30 13F SYNOPSYS COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2024-05-10 2024-03-31 13F SYNOPSYS COM Call 8,500 -32.00 4,858 -24.53 n/a n/a n/a
2024-02-09 2023-12-31 13F SYNOPSYS COM Call 12,500 0.00 6,436 12.18 n/a n/a n/a
2023-12-06 2023-09-30 13F/A SYNOPSYS COM Call 12,500 0.00 5,737 5.42 n/a n/a n/a
2023-11-09 2023-09-30 13F SYNOPSYS COM Call 12,500 5,737 n/a n/a n/a
2023-08-10 2023-06-30 13F SYNOPSYS COM Call 12,500 5,443 n/a n/a n/a
2017-05-12 2017-03-31 13F SYNOPSYS COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2017-02-10 2016-12-31 13F SYNOPSYS COM Call 17,100 1,007 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
(%)
2026-05-11 2026-03-31 13F SYNOPSYS COM Put 17,500 -57.83 6,938 -64.41 n/a n/a n/a
2026-02-13 2025-12-31 13F SYNOPSYS COM Put 41,500 -40.97 19,493 -43.80 n/a n/a n/a
2025-11-10 2025-09-30 13F SYNOPSYS COM Put 70,300 192.92 34,685 181.90 n/a n/a n/a
2025-08-11 2025-06-30 13F SYNOPSYS COM Put 24,000 12,304 n/a n/a n/a
2024-08-12 2024-06-30 13F SYNOPSYS COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2024-05-10 2024-03-31 13F SYNOPSYS COM Put 1,000 -71.43 572 -68.31 n/a n/a n/a
2024-02-09 2023-12-31 13F SYNOPSYS COM Put 3,500 0.00 1,802 12.20 n/a n/a n/a
2023-12-06 2023-09-30 13F/A SYNOPSYS COM Put 3,500 0.00 1,606 5.45 n/a n/a n/a
2023-11-09 2023-09-30 13F SYNOPSYS COM Put 3,500 1,606 n/a n/a n/a
2023-08-10 2023-06-30 13F SYNOPSYS COM Put 3,500 1,524 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.