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$CPIX
$4.87 -$0.08 (1.62%) Close

Ownership

13F as of Q2 2026 · 15.0M shares outstanding

Who owns CPIX?

By type of holder
Institutions 16.5% Insiders 41.2% Everyone else 42.3%
Concentration Top 10 holders own 53.0%
Kazimi A J 38.0% · Ikarian Capital, LLC 3.4%
Institutional ownership
16.5%
-1.9 pts vs last qtr
Institutional holders
32
+3 vs last qtr
Net shares bought
−292.6K
by institutions in Q2 2026
New / sold out
8 / 5
positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026
  • Citadel Advisors LLC +56.7K
  • Jane Street Group, LLC +42.1K

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Biggest sellers in Q2 2026
  • Bridgeway Capital Management, LLC −137.3K
  • Perceptive Advisors LLC −100.0K

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Who is planning to sell?

No insider has filed a notice of proposed sale (Form 144) for Cumberland Pharmaceuticals Inc. in the last 12 months.

Is your stake being diluted?

Diluted share count, FY2016–FY2025
−8.5%
−0.98% a year
Each share's claim on the business
+9.3%
grew without buying or selling a share
Spent on buybacks vs paid in stock
$18.5M vs $8.13M
over 10 fiscal years
Diluted shares, split-adjusted
13.6M15.0M16.4M2016: 16.2M shares'162017: 15.9M shares'172018: 15.6M shares'182019: 15.4M shares'192020: 15.2M shares'202021: 14.9M shares'212022: 14.6M shares'222023: 14.3M shares'232024: 14.1M shares'242025: 14.9M shares'25
Buybacks Stock-based comp
$0$1.9M$3.7M2016 buybacks: $2.5M2016 stock comp: $852.1K'162017 buybacks: $3.7M2017 stock comp: $1.1M'172018 buybacks: $2.9M2018 stock comp: $1.4M'182019 buybacks: $3.5M2019 stock comp: $1.5M'192020 buybacks: $1.9M2020 stock comp: $1.0M'202021 buybacks: $1.4M2021 stock comp: $741.9K'212022 buybacks: $1.1M2022 stock comp: $447.5K'222023 buybacks: $740.5K2023 stock comp: $365.0K'232024 buybacks: $579.0K2024 stock comp: $301.9K'242025 buybacks: $263.5K2025 stock comp: $408.3K'25

How patient are the owners?

Institutional shares by how long they've been held
5+ years55% 3–5 years3% 1–3 years31% Under 1 year10%
Quarterly turnover
13.6%
of institutional shares changed hands
Top 10 managers, median time held
5 years

Super Investors

Investment managers reporting CPIX on Form 13F
IC
Ikarian Capital, LLC
Shares
503.2K
% of company
3.36%
Change vs last qtr
−50.0K (−9.0%)
Held since
2025
RT
Renaissance Technologies LLC
Shares
478.3K
% of company
3.19%
Change vs last qtr
+7.6K (+1.6%)
Held since
≤2021

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Institutional Funds

Mutual funds and ETFs reporting CPIX on Form N-PORT; together they hold 5.8% of the company
VT
Vanguard Total Stock Market Index Fund
Vanguard Index Funds
Position value
$1.78M
% of company
1.83%
% of the fund
0.00%
As of
June 30, 2026
VE
Vanguard Extended Market Index Fund
Vanguard Index Funds
Position value
$646K
% of company
0.67%
% of the fund
0.00%
As of
June 30, 2026

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Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G
KA
Kazimi A J
Insider
Shares
5.7M
% of company
38.01%
Change vs last qtr
—
Held since
—
KK
Krogulski Kenneth
Insider
Shares
302.3K
% of company
2.02%
Change vs last qtr
—
Held since
—

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