FactSet Research Systems Inc. (FDS) Ownership

NYSE: FDSTop holders, insider trades and short interest.

FDS ownership summary

as of October 18, 2026
Institutions
115.6%
of shares outstanding
Insiders
0.37%
of shares outstanding
Shares outstanding
35.6M
Float
35.3M
shares available to trade
Short interest
10.28%
3.2M shares short
Days to cover
3.54
short interest down 28.9% vs prior month
  • Institutions 115.57%
  • Insiders 0.37%

FDS top institutional holders

20 largest
FactSet Research Systems Inc. top institutional holders
#Holder% of sharesSharesValueChangeReported
1BAMCO Inc11.81%4.2M$1.27B+444,269 (+11.8%)June 30, 2026
2BlackRock Inc8.04%2.9M$862.3M+32,566 (+1.2%)June 30, 2026
3Vanguard Capital Management, LLC6.69%2.4M$717.9M−28,945 (−1.2%)June 30, 2026
4State Street Corp5.27%1.9M$565.3M−24,534 (−1.3%)June 30, 2026
5Vanguard Portfolio Management, LLC5.01%1.8M$537.4M−25,368 (−1.4%)June 30, 2026
6AQR Capital Management LLC4.71%1.7M$505.5M+1.4M (+444.9%)June 30, 2026
7Loomis, Sayles & Company LP4.05%1.4M$434.2M−38,754 (−2.6%)June 30, 2026
8Geode Capital Management, LLC3.88%1.4M$416.5M+238,365 (+20.9%)June 30, 2026
9Ninety One UK Limited3.34%1.2M$358.8M−5,756 (−0.5%)June 30, 2026
10Morgan Stanley - Brokerage Accounts3.09%1.1M$332.1M+50,394 (+4.8%)June 30, 2026
11Amvescap Plc.2.68%954K$287.9M−117,252 (−10.9%)June 30, 2026
12Bank of America Corp2.15%766K$230.9M−77,151 (−9.2%)June 30, 2026
13ProShare Advisors LLC1.91%681K$205.4M+85,035 (+14.3%)June 30, 2026
14Arrowstreet Capital Limited Partnership1.69%601K$181.3M+223,210 (+59.1%)June 30, 2026
15The Goldman Sachs Group Inc1.69%600K$181.1M+57,402 (+10.6%)June 30, 2026
16Charles Schwab Investment Management Inc1.42%504K$152.1M+31,221 (+6.6%)June 30, 2026
17UBS Group AG1.15%408K$123.1M+44,099 (+12.1%)June 30, 2026
18Marshall Wace Asset Management Ltd1.13%403K$121.7M−387,517 (−49.0%)June 30, 2026
19Wells Fargo & Co1.04%370K$111.5M−323,513 (−46.7%)June 30, 2026
20Northern Trust Corp1.02%362K$109.3M+15,109 (+4.4%)June 30, 2026

Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 11 holders added 2.6M shares and 9 cut 1.0M.

FDS top mutual fund and ETF holders

20 largest
FactSet Research Systems Inc. top fund holders
#Holder% of sharesSharesValueChangeReported
1Baron Partners Retail5.94%2.1M$637.3M−36,366 (−1.7%)September 30, 2026
2Vanguard MStar Total Stk Mkt Idx Invest3.26%1.2M$349.6M−1,292 (−0.1%)August 31, 2026
3Vanguard 500 Index Investor2.63%935K$282.0M−32,691 (−3.4%)September 30, 2026
4Vanguard Small Cap Index2.25%801K$241.6M−37,482 (−4.5%)September 30, 2026
5Invesco S&P 500® Equal Weight ETF1.97%701K$211.4M−1,425 (−0.2%)September 30, 2026
6ProShares S&P 500 Dividend Aristocrats1.89%671K$202.4M—September 30, 2026
7Baron Focused Growth Retail1.77%630K$189.9M−60,052 (−8.7%)September 30, 2026
8Baron Generational Growth Retail1.38%492K$148.5M−105,904 (−17.7%)September 30, 2026
9American Funds SMALLCAP World A1.38%491K$148.1M+150,000 (+44.0%)September 30, 2026
10iShares Core S&P 500 ETF1.33%474K$143.1M−777 (−0.2%)September 30, 2026
11Fidelity 500 Index1.33%473K$142.7M+1,816 (+0.4%)August 31, 2026
12Ninety One GSF Glb Frchs I Acc USD1.31%465K$140.3M—June 30, 2026
13Vanguard MStar Small Cap Growth Indx Inv1.25%445K$134.3M−35,972 (−7.5%)September 30, 2026
14State Street® SPDR® S&P 500® ETF1.23%437K$131.7M—September 30, 2026
15Loomis Sayles Growth Y1.01%359K$108.2M−7,727 (−2.1%)August 31, 2026
16State Street® SPDR® S&P® Dividend ETF0.88%312K$94.0M—September 30, 2026
17FullerThaler Behavioral Sm-Cp Eq R60.81%288K$86.9M+287,910 (0.0%)June 30, 2026
18State Street®FinSelSectSPDR®ETF0.68%241K$72.7M−1,573 (−0.6%)September 30, 2026
19Ranmore Global Equity Investor USD0.63%224K$67.6M—June 30, 2026
20Vanguard Dividend Appreciation ETF0.57%201K$60.7M−5,013 (−2.4%)September 30, 2026

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

FDS insider transactions

latest 20
FactSet Research Systems Inc. insider transactions
DateNameTransactionPriceSharesValue
2026-03-31Shelley Moore CapitoSell$216.73——
2026-03-26Shelley Moore CapitoSell$195.87——
2026-03-25Shelley Moore CapitoSell$194.01——
2026-03-23Ro KhannaBuy$208.38——
2026-03-13Gilbert Ray Cisneros, Jr.Buy$205.69——
2026-02-17Ro KhannaSell$189.86——
2026-02-05Ro KhannaSell$209.55——
2026-02-03Ro KhannaBuy$222.57——
2026-01-29Ro KhannaBuy$252.19——
2026-01-12Malcolm FrankSell$295.702,572$760,540
2026-01-08Laurie SiegelSell$296.252,572$761,955
2025-11-18Gilbert Ray Cisneros, Jr.Buy$272.18——
2025-11-10Ro KhannaBuy$265.17——
2025-11-06Goran SkokoBuy$252.93500$126,465
2025-11-06Ro KhannaBuy$253.16——
2025-11-03Ro KhannaSell$264.42——
2025-10-30Ro KhannaBuy$268.57——
2025-10-29Ro KhannaBuy$266.80——
2025-10-27Ro KhannaBuy$290.30——
2025-10-21Ro KhannaBuy$294.36——

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.

FDS shares outstanding

Shares outstanding

Year-end shares outstanding, adjusted for splits.

Who owns FDS

Institutional investors own 115.6% of FactSet's shares and insiders 0.37%. The largest holder is BAMCO Inc with 11.81% of the shares (4.2M), as of June 30, 2026. Among the top 20 institutions, 11 added shares and 9 reduced their stake in the latest filings. Short interest is 10.28% of the float, or 3.54 days of average trading volume. The share count fell 11.2% since 2014.

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

FDS ownership FAQ

Who owns the most FactSet stock?

The largest shareholders of FactSet are BAMCO Inc (11.81%), BlackRock Inc (8.04%), Vanguard Capital Management, LLC (6.69%), State Street Corp (5.27%), Vanguard Portfolio Management, LLC (5.01%).

What percentage of FactSet is owned by institutions?

Institutions hold 115.6% of FactSet's shares outstanding; insiders hold 0.37%.

Which funds own FactSet?

The largest fund holders of FactSet are Baron Partners Retail (5.94%), Vanguard MStar Total Stk Mkt Idx Invest (3.26%), Vanguard 500 Index Investor (2.63%), Vanguard Small Cap Index (2.25%), Invesco S&P 500® Equal Weight ETF (1.97%).

What is FactSet's short interest?

3.2M shares of FactSet were sold short, 10.28% of the float; at the average daily volume it would take 3.54 days to cover.

Are insiders buying or selling FactSet?

Of the latest 20 reported insider transactions in FactSet (since October 21, 2025), 12 were purchases and 8 were sales.

How many shares of FactSet are outstanding?

FactSet has 35.6M shares outstanding, of which 35.3M are in the public float.

Financial Data & Stock Exchanges: ownership