Tarsus Pharmaceuticals, Inc. (TARS) Ownership

NASDAQ: TARSTop holders, insider trades and short interest.

TARS ownership summary

as of October 18, 2026
Institutions
99.3%
of shares outstanding
Insiders
2.69%
of shares outstanding
Shares outstanding
46.8M
Float
32.7M
shares available to trade
Short interest
13.37%
6.1M shares short
Days to cover
7.31
short interest down 0.9% vs prior month
  • Institutions 99.26%
  • Insiders 2.69%

TARS top institutional holders

20 largest
Tarsus Pharmaceuticals, Inc. top institutional holders
#Holder% of sharesSharesValueChangeReported
1BlackRock Inc8.24%3.9M$262.5M+303,525 (+8.5%)June 30, 2026
2Deep Track Capital, LP7.84%3.7M$249.6M+66,768 (+1.9%)June 30, 2026
3RTW INVESTMENTS, LLC7.17%3.4M$228.5M+11,034 (+0.3%)June 30, 2026
4Jupiter Topco LLC6.00%2.8M$191.2M+2.8M (0.0%)June 30, 2026
5Paradigm Biocapital Advisors LP5.93%2.8M$188.9M+213,495 (+8.3%)June 30, 2026
6HHG PLC4.79%2.2M$152.5M+310,638 (+16.1%)March 31, 2026
7Assenagon Asset Management SA4.05%1.9M$129.0M+614,796 (+48.0%)June 30, 2026
8Morgan Stanley - Brokerage Accounts3.90%1.8M$124.4M−117,190 (−6.0%)June 30, 2026
9Vanguard Capital Management, LLC3.83%1.8M$122.1M+32,523 (+1.8%)June 30, 2026
10Jennison Associates LLC3.56%1.7M$113.2M−48,469 (−2.8%)June 30, 2026
11TANG CAPITAL MANAGEMENT LLC3.35%1.6M$106.8M+379,642 (+31.9%)June 30, 2026
12Millennium Management LLC3.05%1.4M$97.1M+862,545 (+152.8%)June 30, 2026
13Bank of America Corp2.55%1.2M$81.2M−1,195 (−0.1%)June 30, 2026
14Geode Capital Management, LLC2.36%1.1M$75.3M−15,402 (−1.4%)June 30, 2026
15State Street Corp2.29%1.1M$73.0M+94,739 (+9.7%)June 30, 2026
16Vestal Point Capital LP2.24%1.1M$71.5M+850,000 (+425.0%)June 30, 2026
17Amvescap Plc.1.68%786K$53.5M+43,311 (+5.8%)June 30, 2026
18The Goldman Sachs Group Inc1.59%743K$50.6M+303,067 (+68.9%)June 30, 2026
19Frazier Life Sciences Management, L.P.1.56%729K$49.6M—June 30, 2026
20D. E. Shaw & Co LP1.52%711K$48.4M−80,587 (−10.2%)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 6.9M shares and 5 cut 263K.

TARS top mutual fund and ETF holders

20 largest
Tarsus Pharmaceuticals, Inc. top fund holders
#Holder% of sharesSharesValueChangeReported
1Vanguard MStar Total Stk Mkt Idx Invest2.78%1.3M$88.5M−2,318 (−0.2%)August 31, 2026
2iShares Russell 2000 ETF2.32%1.1M$73.8M−12,480 (−1.1%)September 30, 2026
3Fidelity Small Cap Index0.98%458K$31.2M+4,227 (+0.9%)July 31, 2026
4Janus Henderson Global Life Sciences D0.88%409K$27.9M+49,904 (+13.9%)August 31, 2026
5iShares Russell 2000 Growth ETF0.84%392K$26.7M−496 (−0.1%)September 30, 2026
6Janus Henderson Glb Life Scn I2 USD0.84%391K$26.6M+44,330 (+12.8%)August 31, 2026
7PGIM Jennison Small Company A0.80%372K$25.3M−36,246 (−8.9%)September 30, 2026
8Fidelity Select Health Care0.77%360K$24.5M+360,000 (0.0%)August 31, 2026
9Janus Global Life Science AUSD0.74%347K$23.6M+71,386 (+25.9%)June 30, 2026
10Janus Henderson Hrzn Biotec E2 USD0.69%323K$22.0M+28,716 (+9.8%)June 30, 2026
11iShares Biotechnology ETF0.69%322K$21.9M−2,440 (−0.8%)September 30, 2026
12Janus Henderson Triton D0.61%284K$19.3M—August 31, 2026
13Invesco Pharmaceuticals ETF0.53%250K$17.0M+554 (+0.2%)September 30, 2026
14Loomis Sayles Small Cap Growth Instl0.53%247K$16.8M+16,741 (+7.3%)August 31, 2026
15Vanguard Russell 2000 ETF0.52%243K$16.6M+2,730 (+1.1%)September 30, 2026
16ClearBridge Small Cap Growth A0.51%238K$16.2M−71,400 (−23.1%)September 30, 2026
17Fidelity Growth Company Fund0.49%229K$15.6M—August 31, 2026
18MEDICAL BioHealth EUR Acc0.47%219K$14.9M−181,975 (−45.4%)August 31, 2026
19PGIM Jennison Health Sciences Z0.47%219K$14.9M−29,445 (−11.9%)September 30, 2026
20abrdn Healthcare Investors0.45%212K$14.4M—September 30, 2026

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

TARS insider transactions

latest 20
Tarsus Pharmaceuticals, Inc. insider transactions
DateNameTransactionPriceSharesValue
2026-03-19Bryan WahlSell$67.004,231$283,477
2026-03-19Dianne C WhitfieldSell$67.004,174$279,658
2026-03-19Elizabeth Yeu LinSell$67.00390$26,130
2026-03-19Jeffrey S FarrowSell$67.002,186$146,462
2026-03-19Bobak R AzamianSell$67.0011,964$801,588
2026-03-18Bobak R AzamianSell$68.7111,667$801,640
2026-03-18Bryan WahlSell$68.714,125$283,429
2026-03-18Dianne C WhitfieldSell$68.714,071$279,718
2026-03-18Elizabeth Yeu LinSell$68.71379$26,041
2026-03-18Jeffrey S FarrowSell$68.712,133$146,558
2026-03-17Bobak R AzamianSell$69.4210,972$761,676
2026-03-17Jeffrey S FarrowSell$69.422,111$146,546
2026-03-17Elizabeth Yeu LinSell$69.42375$26,032
2026-03-17Dianne C WhitfieldSell$69.424,029$279,693
2026-03-17Bryan WahlSell$69.424,084$283,511
2026-03-16William J Phd LinkSell$68.7912,500$859,875
2025-12-24Bobak R AzamianSell$82.516,000$495,060
2025-12-16Dianne C WhitfieldSell$80.107,397$592,500
2025-09-24Bobak R AzamianSell$55.376,000$332,220
2025-09-08William J Phd LinkSell$57.0027,116$1.5M

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.

TARS shares outstanding

Shares outstanding

Year-end shares outstanding, adjusted for splits.

Who owns TARS

Institutional investors own 99.3% of Tarsus Pharmaceuticals's shares and insiders 2.69%. The largest holder is BlackRock Inc with 8.24% of the shares (3.9M), as of June 30, 2026. Among the top 20 institutions, 14 added shares and 5 reduced their stake in the latest filings. Short interest is 13.37% of the float, or 7.31 days of average trading volume. The share count rose 898.4% since 2017.

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

TARS ownership FAQ

Who owns the most Tarsus Pharmaceuticals stock?

The largest shareholders of Tarsus Pharmaceuticals are BlackRock Inc (8.24%), Deep Track Capital, LP (7.84%), RTW INVESTMENTS, LLC (7.17%), Jupiter Topco LLC (6.00%), Paradigm Biocapital Advisors LP (5.93%).

What percentage of Tarsus Pharmaceuticals is owned by institutions?

Institutions hold 99.3% of Tarsus Pharmaceuticals's shares outstanding; insiders hold 2.69%.

Which funds own Tarsus Pharmaceuticals?

The largest fund holders of Tarsus Pharmaceuticals are Vanguard MStar Total Stk Mkt Idx Invest (2.78%), iShares Russell 2000 ETF (2.32%), Fidelity Small Cap Index (0.98%), Janus Henderson Global Life Sciences D (0.88%), iShares Russell 2000 Growth ETF (0.84%).

What is Tarsus Pharmaceuticals's short interest?

6.1M shares of Tarsus Pharmaceuticals were sold short, 13.37% of the float; at the average daily volume it would take 7.31 days to cover.

Are insiders buying or selling Tarsus Pharmaceuticals?

Of the latest 20 reported insider transactions in Tarsus Pharmaceuticals (since September 8, 2025), 0 were purchases and 20 were sales.

How many shares of Tarsus Pharmaceuticals are outstanding?

Tarsus Pharmaceuticals has 46.8M shares outstanding, of which 32.7M are in the public float.

Biotechnology: ownership