Login
$TARA
$2.35 +$0.02 (0.86%) Close

Ownership

13F as of Q2 2026 · 59.1M shares outstanding

Who owns TARA?

By type of holder
Institutions 77.9% Insiders 2.4% Everyone else 19.8%
Concentration Top 10 holders own 44.4%
Jupiter Topco LLC 8.0% · BlackRock, Inc. 6.2%
Institutional ownership
77.9%
+0.8 pts vs last qtr
Institutional holders
118
+4 vs last qtr
Net shares bought
+469.4K
by institutions in Q2 2026
New / sold out
25 / 21
positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026
  • Jupiter Topco LLC NEW +4.7M
  • Orbimed Advisors LLC NEW +2.2M

Sign up to see all 5.

Biggest sellers in Q2 2026
  • Janus Henderson Group PLC SOLD OUT −5.2M
  • AIGH Capital Management LLC SOLD OUT −1.6M

Sign up to see all 5.

Who is planning to sell?

Notices of proposed sale, last 12 months
$16.6M
12 notices from 4 people
Shares covered
2.9M
4.91% of the company
Arranged in advance
1%
of the value is under a 10b5-1 plan
Under a 10b5-1 plan No plan
$0$4.0M$8.1MNovDecJanFeb 2026: $8.1M without a planFebMar 2026: $5.8M without a planMarApr 2026: $124.8K under a 10b5-1 planApr 2026: $1.7M without a planAprMayJun 2026: $882.0K without a planJunJulAugSepOct
Largest proposed sellers
  • Baker Brothers Life Sciences, L.P. Former affiliate $14.4M
  • 667, L.P. Former affiliate $1.2M

Sign up to see all 4.

Every notice on Red Flags →

A Form 144 is notice of a planned sale, not the sale itself. What insiders actually sold is on Insider Transactions.

Is your stake being diluted?

Diluted share count, FY2021–FY2025
+281.4%
+39.74% a year
Each share's claim on the business
−73.8%
shrank without buying or selling a share
Spent on buybacks vs paid in stock
$409K vs $31.1M
over 5 fiscal years
Diluted shares, split-adjusted
10.9M27.1M43.3M2021: 11.2M shares'212022: 11.3M shares'222023: 11.3M shares'232024: 20.6M shares'242025: 42.8M shares'25
Buybacks Stock-based comp
$0$5.2M$10.4M2021 buybacks: $228.0K2021 stock comp: $10.4M'212022 buybacks: $90.0K2022 stock comp: $6.7M'222023 buybacks: $91.0K2023 stock comp: $6.1M'232024 buybacks: $02024 stock comp: $4.1M'242025 buybacks: $02025 stock comp: $3.8M'25

How patient are the owners?

Institutional shares by how long they've been held
5+ years27% 3–5 years0% 1–3 years42% Under 1 year31%
Quarterly turnover
27.8%
of institutional shares changed hands
Top 10 managers, median time held
1.5 years

Super Investors

Investment managers reporting TARA on Form 13F
JH
Janus Henderson Group PLC
Shares
—
% of company
—
Change vs last qtr
SOLD OUT
Held since
—
JT
Jupiter Topco LLC
Shares
4.7M
% of company
7.95%
Change vs last qtr
NEW
Held since
Q2 '26

28 more super investors behind a free account

See every manager holding Protara Therapeutics Inc, how their position has changed, and how long they've held it.

Sign up free

Institutional Funds

Mutual funds and ETFs reporting TARA on Form N-PORT; together they hold 14.4% of the company
VT
Position value
$6.33M
% of company
2.81%
% of the fund
0.00%
As of
June 30, 2026
IR
iShares Trust
Position value
$5.21M
% of company
2.31%
% of the fund
0.01%
As of
June 30, 2026

23 more funds behind a free account

See every fund holding Protara Therapeutics Inc and how much of the fund the position is.

Sign up free

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G
SJ
Shefferman Jesse
Insider
Shares
991.8K
% of company
1.68%
Change vs last qtr
—
Held since
—
ZJ
Zummo Jacqueline
Insider
Shares
94.8K
% of company
0.16%
Change vs last qtr
—
Held since
—

5 more holders behind a free account

See every insider and 5%+ holder of Protara Therapeutics Inc.

Sign up free

Create Account

Sign up for free to unlock this feature.

Already have an account? Sign in

Premium Feature

This feature requires a premium subscription to unlock unlimited historical data and advanced analysis tools.

Premium includes:

  • Unlimited historical financial data
  • Advanced analytics and insights
  • Priority support