Krystal Biotech, Inc. (KRYS) Ownership

NASDAQ: KRYSTop holders, insider trades and short interest.

KRYS ownership summary

as of October 18, 2026
Institutions
102.4%
of shares outstanding
Insiders
10.66%
of shares outstanding
Shares outstanding
29.6M
Float
23.6M
shares available to trade
Short interest
19.23%
3.5M shares short
Days to cover
12.53
short interest up 9.9% vs prior month
  • Institutions 102.40%
  • Insiders 10.66%

KRYS top institutional holders

20 largest
Krystal Biotech, Inc. top institutional holders
#Holder% of sharesSharesValueChangeReported
1FMR Inc14.93%4.4M$1.40B+44,210 (+1.0%)June 30, 2026
2BlackRock Inc14.13%4.2M$1.32B+240,976 (+6.1%)June 30, 2026
3venBio Select Advisor LLC9.76%2.9M$914.6M—June 30, 2026
4Vanguard Portfolio Management, LLC5.32%1.6M$498.6M+118,178 (+8.1%)June 30, 2026
5State Street Corp4.56%1.4M$427.7M+36,724 (+2.8%)June 30, 2026
6Vanguard Capital Management, LLC4.19%1.2M$392.7M+75,243 (+6.5%)June 30, 2026
7Soleus Capital Management, L.P.3.17%939K$297.3M−213,833 (−18.5%)June 30, 2026
8Capital World Investors2.63%778K$246.2M−46,877 (−5.7%)June 30, 2026
9Vestor Capital Partners2.37%701K$221.9M+700,714 (+350,357.0%)June 30, 2026
10Geode Capital Management, LLC2.36%699K$221.3M+55,018 (+8.5%)June 30, 2026
11T. Rowe Price Associates, Inc.2.32%687K$217.6M+202,326 (+41.7%)June 30, 2026
12Hood River Capital Management LLC2.24%663K$210.0M+43,789 (+7.1%)June 30, 2026
13Redmile Group, LLC2.14%632K$200.1M−41,500 (−6.2%)June 30, 2026
14William Blair Investment Management, LLC1.93%570K$180.5M+162,975 (+40.0%)June 30, 2026
15Frazier Life Sciences Management, L.P.1.63%481K$152.4M—June 30, 2026
16Dimensional Fund Advisors, Inc.1.61%476K$150.7M+7,048 (+1.5%)June 30, 2026
17First Trust Advisors L.P.1.10%325K$102.9M−25,621 (−7.3%)June 30, 2026
18Amvescap Plc.1.10%325K$102.8M+73,382 (+29.2%)June 30, 2026
19The Goldman Sachs Group Inc1.01%299K$94.6M+83,892 (+39.0%)June 30, 2026
20Northern Trust Corp0.96%284K$89.8M+31,321 (+12.4%)June 30, 2026

Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 14 holders added 1.9M shares and 4 cut 328K.

KRYS top mutual fund and ETF holders

20 largest
Krystal Biotech, Inc. top fund holders
#Holder% of sharesSharesValueChangeReported
1Fidelity Select Biotechnology6.09%1.8M$570.7M—August 31, 2026
2iShares Core S&P Mid-Cap ETF3.21%949K$300.4M−336 (−0.0%)September 30, 2026
3Vanguard MStar Total Stk Mkt Idx Invest3.01%891K$282.2M−1,020 (−0.1%)August 31, 2026
4Fidelity Growth Company Fund2.76%816K$258.4M+6,634 (+0.8%)August 31, 2026
5American Funds SMALLCAP World A2.54%752K$238.1M—September 30, 2026
6iShares Russell 2000 ETF2.28%675K$213.7M−7,808 (−1.1%)September 30, 2026
7Vanguard Small Cap Index2.02%599K$189.7M−45,106 (−7.0%)September 30, 2026
8State Street® SPDR® S&P® Biotech ETF1.44%427K$135.3M−8,150 (−1.9%)September 30, 2026
9Vanguard MStar Small Cap Growth Indx Inv1.13%334K$105.7M−35,890 (−9.7%)September 30, 2026
10Hood River Small-Cap Growth Instl1.11%330K$104.4M—June 30, 2026
11Fidelity Small Cap Index0.96%286K$90.4M+2,431 (+0.9%)July 31, 2026
12Invesco S&P MidCap Momentum ETF0.91%268K$84.8M—September 30, 2026
13iShares Russell 2000 Growth ETF0.83%245K$77.5M−310 (−0.1%)September 30, 2026
14Fidelity Growth Company K60.77%229K$72.3M+200 (+0.1%)August 31, 2026
15iShares Biotechnology ETF0.68%202K$64.0M−1,528 (−0.8%)September 30, 2026
16State Street® SPDR® S&P MIDCAP 400® ETF0.67%197K$62.4M+5,091 (+2.7%)September 30, 2026
17Fidelity Series Growth Company0.66%195K$61.8M+200 (+0.1%)August 31, 2026
18Franklin DynaTech Fund A0.59%176K$55.7M+26,085 (+17.4%)August 31, 2026
19iShares S&P Mid-Cap 400 Growth ETF0.52%154K$48.7M−164 (−0.1%)September 30, 2026
20Vanguard Russell 2000 ETF0.51%152K$48.1M+1,706 (+1.1%)September 30, 2026

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

KRYS insider transactions

latest 19
Krystal Biotech, Inc. insider transactions
DateNameTransactionPriceSharesValue
2026-03-04Suma KrishnanSell$263.2125,000$6.6M
2026-03-02Kathryn RomanoSell$267.60750$200,700
2026-02-27Daniel JanneySell$275.5911,803$3.3M
2026-02-26Daniel JanneySell$275.637,741$2.1M
2026-02-25Daniel JanneySell$275.00700$192,500
2026-02-24Daniel JanneySell$266.8837,895$10.1M
2026-02-24Daniel JanneySell$268.3413,825$3.7M
2026-02-19Dino A RossiSell$261.4118,950$5.0M
2026-02-09Kathryn RomanoSell$272.1412,500$3.4M
2025-12-04Suma KrishnanSell$220.1625,000$5.5M
2025-07-16Suma KrishnanSell$150.001,529$229,350
2025-07-16Suma KrishnanSell$150.001,389$208,350
2025-07-15Suma KrishnanSell$150.983,036$458,375
2025-07-15Suma KrishnanSell$151.013,084$465,715
2025-07-14Suma KrishnanSell$150.3013,435$2.0M
2025-07-14Suma KrishnanSell$150.3013,400$2.0M
2025-07-10Suma KrishnanSell$150.286,800$1.0M
2025-07-10Suma KrishnanSell$150.276,927$1.0M
2025-07-09Suma KrishnanSell$150.14200$30,028

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.

KRYS shares outstanding

Shares outstanding

Year-end shares outstanding, adjusted for splits.

Who owns KRYS

Institutional investors own 102.4% of Krystal Biotech's shares and insiders 10.66%. The largest holder is FMR Inc with 14.93% of the shares (4.4M), as of June 30, 2026. Among the top 20 institutions, 14 added shares and 4 reduced their stake in the latest filings. Short interest is 19.23% of the float, or 12.53 days of average trading volume. The share count rose 600.5% since 2016.

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

KRYS ownership FAQ

Who owns the most Krystal Biotech stock?

The largest shareholders of Krystal Biotech are FMR Inc (14.93%), BlackRock Inc (14.13%), venBio Select Advisor LLC (9.76%), Vanguard Portfolio Management, LLC (5.32%), State Street Corp (4.56%).

What percentage of Krystal Biotech is owned by institutions?

Institutions hold 102.4% of Krystal Biotech's shares outstanding; insiders hold 10.66%.

Which funds own Krystal Biotech?

The largest fund holders of Krystal Biotech are Fidelity Select Biotechnology (6.09%), iShares Core S&P Mid-Cap ETF (3.21%), Vanguard MStar Total Stk Mkt Idx Invest (3.01%), Fidelity Growth Company Fund (2.76%), American Funds SMALLCAP World A (2.54%).

What is Krystal Biotech's short interest?

3.5M shares of Krystal Biotech were sold short, 19.23% of the float; at the average daily volume it would take 12.53 days to cover.

Are insiders buying or selling Krystal Biotech?

Of the latest 19 reported insider transactions in Krystal Biotech (since July 9, 2025), 0 were purchases and 19 were sales.

How many shares of Krystal Biotech are outstanding?

Krystal Biotech has 29.6M shares outstanding, of which 23.6M are in the public float.

Biotechnology: ownership