Roivant Sciences Ltd. (ROIV) Ownership

NASDAQ: ROIVTop holders, insider trades and short interest.

ROIV ownership summary

as of October 18, 2026
Institutions
78.4%
of shares outstanding
Insiders
21.42%
of shares outstanding
Shares outstanding
722.3M
Float
581.9M
shares available to trade
Short interest
7.38%
39.3M shares short
Days to cover
3.80
short interest up 8.6% vs prior month
  • Institutions 78.38%
  • Insiders 21.42%
  • Other investors 0.20%

ROIV top institutional holders

20 largest
Roivant Sciences Ltd. top institutional holders
#Holder% of sharesSharesValueChangeReported
1FMR Inc11.22%81.0M$2.72B+3.0M (+3.9%)June 30, 2026
2BlackRock Inc6.68%48.2M$1.62B+4.0M (+9.0%)June 30, 2026
3Morgan Stanley - Brokerage Accounts5.90%42.6M$1.43B−9.2M (−17.8%)June 30, 2026
4Qvt Financial LP3.28%23.7M$795.4M−1.4M (−5.7%)June 30, 2026
5Vanguard Capital Management, LLC3.06%22.1M$741.8M+1.4M (+7.0%)June 30, 2026
6Vanguard Portfolio Management, LLC3.00%21.6M$725.6M+1.8M (+9.1%)June 30, 2026
7The Goldman Sachs Group Inc2.57%18.6M$622.2M+7.4M (+67.0%)June 30, 2026
8State Street Corp2.46%17.8M$596.7M+1.6M (+9.9%)June 30, 2026
9UBS Group AG2.42%17.5M$585.7M−5.2M (−22.8%)June 30, 2026
10Assenagon Asset Management SA2.32%16.7M$560.8M+9.6M (+136.4%)June 30, 2026
11Farallon Capital Management, L.L.C.1.98%14.3M$479.8M+4.6M (+47.9%)June 30, 2026
12Geode Capital Management, LLC1.62%11.7M$391.4M+1.5M (+14.7%)June 30, 2026
13Adage Capital Partners Gp LLC1.43%10.3M$347.0M−2.4M (−19.1%)June 30, 2026
14Two Seas Capital LP1.29%9.3M$312.8M−463,600 (−4.7%)March 31, 2026
15Perceptive Advisors LLC1.12%8.1M$271.1M−200,000 (−2.4%)June 30, 2026
16Patient Square Capital LP1.11%8.0M$268.9M−145,119 (−1.8%)June 30, 2026
17Amvescap Plc.1.04%7.5M$252.5M+1.1M (+17.0%)June 30, 2026
18Darwin Global Management, Ltd.0.93%6.7M$226.2M−50,000 (−0.7%)June 30, 2026
19AQR Capital Management LLC0.92%6.6M$222.4M+686,702 (+11.5%)June 30, 2026
20Viking Global Investors LP0.87%6.3M$210.3M−380,981 (−5.7%)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 36.9M shares and 9 cut 19.5M.

ROIV top mutual fund and ETF holders

20 largest
Roivant Sciences Ltd. top fund holders
#Holder% of sharesSharesValueChangeReported
1Fidelity Growth Company Fund3.19%23.0M$771.5M+35,000 (+0.2%)August 31, 2026
2iShares Core S&P Mid-Cap ETF2.67%19.3M$647.0M−6,888 (−0.0%)September 30, 2026
3Vanguard MStar Total Stk Mkt Idx Invest2.22%16.0M$537.2M−18,588 (−0.1%)August 31, 2026
4Vanguard Small Cap Index1.60%11.6M$388.5M+12,313 (+0.1%)August 31, 2026
5Invesco S&P MidCap Momentum ETF0.96%6.9M$231.4M—September 30, 2026
6Fidelity Growth Company K60.92%6.7M$223.6M+10,100 (+0.2%)August 31, 2026
7Vanguard MStar Small Cap Growth Indx Inv0.92%6.6M$222.9M−43,886 (−0.7%)August 31, 2026
8Fidelity Series Growth Company0.78%5.6M$187.9M+93,700 (+1.7%)August 31, 2026
9Morgan Stanley Inst Growth I0.73%5.3M$177.2M−178,186 (−3.3%)June 30, 2026
10iShares Biotechnology ETF0.57%4.1M$137.1M−30,976 (−0.8%)September 30, 2026
11MS INVF US Advantage I0.54%3.9M$130.9M−272,096 (−6.5%)August 31, 2026
12State Street® SPDR® S&P® Biotech ETF0.49%3.6M$119.3M−67,700 (−1.9%)September 30, 2026
13State Street® SPDR® S&P MIDCAP 400® ETF0.46%3.3M$110.6M−37,152 (−1.1%)August 31, 2026
14Fidelity Contrafund0.45%3.2M$108.8M−1,135 (−0.0%)August 31, 2026
15MS INVF US Growth I0.44%3.2M$107.7M−149,140 (−4.4%)August 31, 2026
16Vanguard Explorer Inv0.44%3.2M$107.0M+1.2M (+59.4%)June 30, 2026
17State Street SPDR Port S&P 400 Md CpETF0.40%2.9M$96.0M−4,024 (−0.1%)September 30, 2026
18Pictet-Biotech P USD0.35%2.5M$85.4M+201,167 (+8.6%)September 30, 2026
19Fidelity Extended Market Index0.30%2.2M$73.5M−22,871 (−1.0%)August 31, 2026
20Harbor Capital Appreciation Instl0.30%2.2M$72.7M+2.2M (0.0%)August 31, 2026

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

ROIV insider transactions

latest 20
Roivant Sciences Ltd. insider transactions
DateNameTransactionPriceSharesValue
2026-04-20Eric VenkerSell$29.59200,000$5.9M
2026-04-16Matthew GlineSell$29.16289,774$8.4M
2026-04-08Jennifer HumesSell$28.3713,538$384,073
2026-03-17Eric VenkerSell$28.24200,000$5.6M
2026-03-16Melissa B EpperlySell$28.6841,861$1.2M
2026-02-23Frank TortiSell$27.51587,390$16.2M
2026-02-20Frank TortiSell$27.151,012,610$27.5M
2026-02-19Frank TortiSell$27.421,400,000$38.4M
2026-02-13Daniel Allen GoldSell$26.50375,784$10.0M
2026-02-13Eric VenkerSell$26.49200,000$5.3M
2026-02-11Daniel Allen GoldSell$26.67425,000$11.3M
2026-02-09Mayukh SukhatmeSell$26.47339,441$9.0M
2026-01-12Eric VenkerSell$21.92200,000$4.4M
2025-12-31Mayukh SukhatmeSell$21.711,018,995$22.1M
2025-12-29Mayukh SukhatmeSell$21.74311,873$6.8M
2025-12-24Eric VenkerSell$22.5375,000$1.7M
2025-12-23Eric VenkerSell$22.45200,000$4.5M
2025-12-23Richard PulikSell$22.43406,731$9.1M
2025-12-17Daniel Allen GoldSell$23.07777,332$17.9M
2025-12-17Mayukh SukhatmeSell$23.0926,831$619,528

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.

ROIV shares outstanding

Shares outstanding

Year-end shares outstanding, adjusted for splits.

Who owns ROIV

Institutional investors own 78.4% of Roivant Sciences's shares and insiders 21.42%. The largest holder is FMR Inc with 11.22% of the shares (81.0M), 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 7.38% of the float, or 3.80 days of average trading volume. The share count rose 1.8% since 2020.

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

ROIV ownership FAQ

Who owns the most Roivant Sciences stock?

The largest shareholders of Roivant Sciences are FMR Inc (11.22%), BlackRock Inc (6.68%), Morgan Stanley - Brokerage Accounts (5.90%), Qvt Financial LP (3.28%), Vanguard Capital Management, LLC (3.06%).

What percentage of Roivant Sciences is owned by institutions?

Institutions hold 78.4% of Roivant Sciences's shares outstanding; insiders hold 21.42%.

Which funds own Roivant Sciences?

The largest fund holders of Roivant Sciences are Fidelity Growth Company Fund (3.19%), iShares Core S&P Mid-Cap ETF (2.67%), Vanguard MStar Total Stk Mkt Idx Invest (2.22%), Vanguard Small Cap Index (1.60%), Invesco S&P MidCap Momentum ETF (0.96%).

What is Roivant Sciences's short interest?

39.3M shares of Roivant Sciences were sold short, 7.38% of the float; at the average daily volume it would take 3.80 days to cover.

Are insiders buying or selling Roivant Sciences?

Of the latest 20 reported insider transactions in Roivant Sciences (since December 17, 2025), 0 were purchases and 20 were sales.

How many shares of Roivant Sciences are outstanding?

Roivant Sciences has 722.3M shares outstanding, of which 581.9M are in the public float.

Biotechnology: ownership