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Groupon GRPN

US equityMarket cap rank #3461Internet Content & Information

$18.43 −$0.41 (-2.18%)

Pre-market · Oct 8, 8:10 am ET · After hours $18.45 +0.11%

Open$17.89

Prev close$18.84

Day range$17.50 – $18.52

Volume940.7K

Market cap$749.46M

P/E (TTM)–

Dividend yield–

Ownership & positioning

Who holds it, who is betting against it, and where the big money is moving

Institutional ownership96.5%+2.57 pts vs. prior quarter

Institutions holding188+0 vs. prior quarter

Insider trades (recent)26 buys / 24 sellsNet buying

Short interest32.28% of floatDays to cover 14.3 · as of 15 Sep 2026

Short-sale volume share24.8%5-day average of daily volume

Short-sale volume as % of daily volume

Large-order net flow, last 20 sessions

Net of large-order buying minus selling, in USD. Over this window: −$155.2K (9 inflow days, 11 outflow days).

Net flow by order size, last 20 sessions

Super/Big orders approximate institutional-size trades; Mid/Small approximate retail-size trades. Net buy minus sell value in each bucket, summed over the window.

The five largest holders on file together own 53.6% of shares outstanding.

Largest holders

Pale Fire Capital SE25.04%
Eric Lefkofsky9.70%
Dusan Senkypl7.01%
Continental General Insurance Company6.10%
Windward Management LP5.77%
BlackRock5.47%
Millennium Management LLC5.05%
Divisadero Street Capital Management, LP4.54%

By investor type

Hedge Fund35.39%
VC/PE Fund25.04%
Mutual Fund23.91%
Individual/Insider18.97%
Private Company8.07%
Public Company3.75%
Government Pension Fund0.27%
Insurance Company0.12%

Reported short interest has risen from 31.48% to 32.28% of float over the last 6 biweekly reports (30 Jun 2026 to 15 Sep 2026).

Recent institutional activity

Holder	Type	Period	Share change	New stake
Millennium Management LLC	Hedge Fund	2026/Q3	+1,105,087	5.0%
Divisadero Street Capital Management, LP	Hedge Fund	2026/Q3	+1,400,873	4.5%
Wolf Hill Capital Management, LP	Hedge Fund	2026/Q3	+1,000,000	2.5%
Mason Capital Management LLC	Hedge Fund	2026/Q3	+657,144	1.6%
Discovery Capital Management, LLC	Hedge Fund	2026/Q3	+491,051	1.2%
Jane Street Group, LLC	Private Company	2026/Q3	+314,889	0.8%
ExodusPoint Capital Management, LP	Hedge Fund	2026/Q3	+290,868	2.1%
Marshall Wace LLP	Hedge Fund	2026/Q3	+225,216	0.6%
Union Square Park Capital Management, LLC	Hedge Fund	2026/Q3	+205,000	0.5%
Windward Management LP	Hedge Fund	2026/Q3	+135,359	5.8%
Group One Trading LLC	Private Company	2026/Q3	+134,445	0.5%
Quinn Opportunity Partners LLC	Hedge Fund	2026/Q3	+115,000	0.3%
D. E. Shaw & Co., L.P.	Hedge Fund	2026/Q3	+114,404	1.8%
Concentric Capital Strategies, L.P.	Hedge Fund	2026/Q3	+101,409	0.2%
The Goldman Sachs Group, Inc.	Public Company	2026/Q3	+89,669	1.5%

Institutional buy/sell activity by reporting period, largest moves first.

Insider transactions

Date	Insider	Title	Transaction	Shares	Price	Held after
29 Sep 2026	Jiri Ponrt	Chief Financial Officer	Intent to Sell (Form 144)	-15,629	$20.10	–
28 Sep 2026	Jiri Ponrt	Chief Financial Officer	Intent to Sell (Form 144)	-18,141	$19.90	–
27 Sep 2026	Jiri Ponrt	Chief Financial Officer	Intent to Sell (Form 144)	-17,767	$20.02	–
24 Sep 2026	Jiri Ponrt	Chief Financial Officer	Intent to Sell (Form 144)	-20,000	$21.25	–
23 Sep 2026	Jiri Ponrt	Chief Financial Officer	Intent to Sell (Form 144)	-20,000	$20.48	–
22 Sep 2026	Jiri Ponrt	Chief Financial Officer	Intent to Sell (Form 144)	-20,000	$20.10	–
21 Sep 2026	Jiri Ponrt	Chief Financial Officer	Intent to Sell (Form 144)	-20,729	$21.42	–
20 Sep 2026	Jiri Ponrt	Chief Financial Officer	Intent to Sell (Form 144)	-25,000	$21.05	–
17 Sep 2026	Jiri Ponrt	Chief Financial Officer	Intent to Sell (Form 144)	-17,000	$18.68	–
17 Sep 2026	Kyle Netzly	Global Controller & Interim Chief Accounting Officer	Derivative Exercise and Sale	-2,865	$19.08	37,943
17 Sep 2026	Kyle Netzly	Global Controller & Interim Chief Accounting Officer	Derivative Exercise and Retained	+4,071	$19.08	37,943
16 Sep 2026	Jiri Ponrt	Chief Financial Officer	Intent to Sell (Form 144)	-15,450	$19.04	–
15 Sep 2026	Jiri Ponrt	Chief Financial Officer	Intent to Sell (Form 144)	-17,000	$19.21	–
14 Sep 2026	Jiri Ponrt	Chief Financial Officer	Intent to Sell (Form 144)	-13,500	$18.63	–
13 Sep 2026	Jiri Ponrt	Chief Financial Officer	Intent to Sell (Form 144)	-17,000	$18.92	–
10 Sep 2026	Jiri Ponrt	Chief Financial Officer	Intent to Sell (Form 144)	-13,500	$18.45	–
9 Sep 2026	Jiri Ponrt	Chief Financial Officer	Intent to Sell (Form 144)	-13,500	$18.13	–
29 Jul 2026	Rana Kashyap	CFO and Senior VP of Finance, FP&A, Treasury & Strategy	Derivative Exercise and Sale	-6,661	$27.89	222,365
29 Jul 2026	Rana Kashyap	CFO and Senior VP of Finance, FP&A, Treasury & Strategy	Derivative Exercise and Retained	+7,713	–	222,365
29 Jul 2026	Kyle Netzly	Global Controller & Interim Chief Accounting Officer	Derivative Exercise and Sale	-2,045	$27.89	33,872

From Form 4/Form 144 filings. Negative share counts are disposals (sales, gifts, or shares withheld for taxes); positive are acquisitions.

Short interest, by report

Report date	Shares short	% of float	Days to cover
15 Sep 2026	13,127,934	32.3%	14.3
31 Aug 2026	11,818,861	29.1%	11.3
14 Aug 2026	12,680,074	31.2%	7.3
31 Jul 2026	13,729,826	36.1%	9.5
15 Jul 2026	13,376,270	35.2%	9.1
30 Jun 2026	11,957,442	31.5%	6.1

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