Synopsys, Inc. (SNPS) Ownership

NASDAQ: SNPSTop holders, insider trades and short interest.

SNPS ownership summary

as of October 18, 2026
Institutions
93.2%
of shares outstanding
Insiders
2.99%
of shares outstanding
Shares outstanding
191.6M
Float
190.5M
shares available to trade
Short interest
2.61%
5.0M shares short
Days to cover
2.49
short interest down 12.9% vs prior month
  • Institutions 93.18%
  • Insiders 2.99%
  • Other investors 3.84%

SNPS top institutional holders

20 largest
Synopsys, Inc. top institutional holders
#Holder% of sharesSharesValueChangeReported
1BlackRock Inc8.46%16.2M$7.37B+338,178 (+2.1%)June 30, 2026
2Vanguard Capital Management, LLC6.53%12.5M$5.69B+64,122 (+0.5%)June 30, 2026
3State Street Corp4.73%9.1M$4.13B+174,850 (+2.0%)June 30, 2026
4Amvescap Plc.3.15%6.0M$2.74B+116,499 (+2.0%)June 30, 2026
5FMR Inc3.13%6.0M$2.72B−2.4M (−28.4%)June 30, 2026
6Assenagon Asset Management SA2.56%4.9M$2.23B+3.2M (+179.0%)June 30, 2026
7NVIDIA Corp2.52%4.8M$2.19B—June 30, 2026
8Geode Capital Management, LLC2.35%4.5M$2.05B−54,068 (−1.2%)June 30, 2026
9Vanguard Portfolio Management, LLC2.34%4.5M$2.04B−237,219 (−5.0%)June 30, 2026
10Morgan Stanley - Brokerage Accounts1.97%3.8M$1.71B−147,224 (−3.8%)June 30, 2026
11Van Eck Associates Corporation1.80%3.5M$1.57B+569,687 (+19.7%)June 30, 2026
12Aspex Management (HK) Ltd1.62%3.1M$1.42B+442,114 (+16.6%)June 30, 2026
13UBS Asset Mgmt Americas Inc1.61%3.1M$1.40B+892,736 (+40.7%)June 30, 2026
14Victory Capital Management Inc.1.49%2.9M$1.30B+320,452 (+12.6%)June 30, 2026
15The Goldman Sachs Group Inc1.43%2.7M$1.24B−396,846 (−12.7%)June 30, 2026
16UBS Group AG1.25%2.4M$1.09B+474,394 (+24.6%)June 30, 2026
17Capital Research Global Investors1.19%2.3M$1.04B+216,999 (+10.5%)June 30, 2026
18Ameriprise Financial Inc1.11%2.1M$966.2M+797,413 (+60.1%)June 30, 2026
19Barclays PLC1.10%2.1M$955.5M+784,987 (+59.6%)June 30, 2026
20Northern Trust Corp0.95%1.8M$826.3M−107,864 (−5.6%)June 30, 2026

Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 13 holders added 8.3M shares and 6 cut 3.3M.

SNPS top mutual fund and ETF holders

20 largest
Synopsys, Inc. top fund holders
#Holder% of sharesSharesValueChangeReported
1Vanguard MStar Total Stk Mkt Idx Invest3.18%6.1M$2.77B−12,144 (−0.2%)August 31, 2026
2Vanguard 500 Index Investor2.62%5.0M$2.29B−61,112 (−1.2%)September 30, 2026
3Invesco QQQ Trust2.09%4.0M$1.82B−6,534 (−0.2%)September 30, 2026
4VanEck Semiconductor ETF1.60%3.1M$1.39B+17,430 (+0.6%)September 30, 2026
5iShares Core S&P 500 ETF1.33%2.6M$1.16B−4,107 (−0.2%)September 30, 2026
6Fidelity 500 Index1.30%2.5M$1.13B+9,551 (+0.4%)August 31, 2026
7State Street® SPDR® S&P 500® ETF1.23%2.3M$1.07B—September 30, 2026
8Vanguard MStar Growth Index Investor1.17%2.2M$1.02B+116,341 (+5.5%)September 30, 2026
9American Funds AMCAP A0.85%1.6M$742.8M—September 30, 2026
10State Street®TechSelSectSPDR®ETF0.72%1.4M$628.2M+848 (+0.1%)September 30, 2026
11Vanguard Information Technology ETF0.70%1.3M$613.2M+3,106 (+0.2%)September 30, 2026
12Vanguard Institutional Index I0.53%1.0M$460.5M−11,224 (−1.1%)September 30, 2026
13iShares Expanded Tech-Software Sect ETF0.49%931K$423.4M+8,825 (+1.0%)September 30, 2026
14Parnassus Core Equity Investor0.47%908K$412.8M−115,447 (−11.3%)September 30, 2026
15Fidelity Global Technology A-Dis-EUR0.47%904K$411.0M−272 (−0.0%)August 31, 2026
16Invesco NASDAQ 100 ETF0.46%881K$400.5M+2,016 (+0.2%)September 30, 2026
17Columbia Seligman Tech & Info A0.46%878K$399.3M+127,090 (+16.9%)August 31, 2026
18American Century Ultra® Inv0.45%864K$392.8M—September 30, 2026
19MS INVF Global Brands A0.36%685K$311.5M−49,704 (−6.8%)June 30, 2026
20Vanguard PRIMECAP Inv0.32%620K$281.7M+48,100 (+8.4%)June 30, 2026

Funds report holdings monthly or quarterly; dates differ by fund.

SNPS insider transactions

latest 20
Synopsys, Inc. insider transactions
DateNameTransactionPriceSharesValue
2026-03-30Ro KhannaSell$383.14——
2026-03-23Ro KhannaBuy$432.48——
2026-02-24Ro KhannaBuy$440.72——
2026-02-17Ro KhannaSell$421.95——
2026-02-05Ro KhannaSell$410.44——
2026-01-29Ro KhannaBuy$480.00——
2026-01-13Ro KhannaBuy$511.80——
2026-01-12Janet LeeSell$530.00250$132,500
2026-01-07Janet LeeSell$510.00250$127,500
2025-12-31Dan NewhouseBuy$469.72——
2025-12-19Shelagh GlaserSell$460.773,657$1.7M
2025-11-18Gilbert Ray Cisneros, Jr.Sell$383.82——
2025-11-10Ro KhannaSell$400.77——
2025-10-09Gilbert Ray Cisneros, Jr.Sell$484.41——
2025-10-07Ro KhannaSell$477.83——
2025-09-25Michael T. McCaulSell$487.20——
2025-09-22Sudhindra KankanwadiSell$500.909,873$4.9M
2025-09-19Sudhindra KankanwadiSell$482.006,000$2.9M
2025-09-16Michael T. McCaulSell$425.97——
2025-09-11Robert G PainterBuy$425.44350$148,904

Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.

SNPS shares outstanding

Shares outstanding

Year-end shares outstanding, adjusted for splits.

Who owns SNPS

Institutional investors own 93.2% of Synopsys's shares and insiders 2.99%. The largest holder is BlackRock Inc with 8.46% of the shares (16.2M), as of June 30, 2026. Among the top 20 institutions, 13 added shares and 6 reduced their stake in the latest filings. Short interest is 2.61% of the float, or 2.49 days of average trading volume. The share count rose 2.0% since 2014.

Related: SNPS analyst forecast, SNPS key metrics. See the SNPS stock overview for the latest quote and news.

SNPS ownership FAQ

Who owns the most Synopsys stock?

The largest shareholders of Synopsys are BlackRock Inc (8.46%), Vanguard Capital Management, LLC (6.53%), State Street Corp (4.73%), Amvescap Plc. (3.15%), FMR Inc (3.13%).

What percentage of Synopsys is owned by institutions?

Institutions hold 93.2% of Synopsys's shares outstanding; insiders hold 2.99%.

Which funds own Synopsys?

The largest fund holders of Synopsys are Vanguard MStar Total Stk Mkt Idx Invest (3.18%), Vanguard 500 Index Investor (2.62%), Invesco QQQ Trust (2.09%), VanEck Semiconductor ETF (1.60%), iShares Core S&P 500 ETF (1.33%).

What is Synopsys's short interest?

5.0M shares of Synopsys were sold short, 2.61% of the float; at the average daily volume it would take 2.49 days to cover.

Are insiders buying or selling Synopsys?

Of the latest 20 reported insider transactions in Synopsys (since September 11, 2025), 6 were purchases and 14 were sales.

How many shares of Synopsys are outstanding?

Synopsys has 191.6M shares outstanding, of which 190.5M are in the public float.

Software - Infrastructure: ownership