SCHEDULE 13G Filed 2026-08-17 Event — SEC 0001104659-26-097934 →

MILLENNIUM MANAGEMENT LLC → Groupon, Inc. GRPN

Stake: — Shares: — Class: Common Stock, par value $0.0001 per share

Item 4 — Purpose of Transaction

Not extracted from this filing — typically because it's an amendment (13D/A) and Item 4 is unchanged from the parent filing. Read the raw SEC filing →

Cross-References

Insider Activity (last 365d)

0 transactions

0 buys · 0 sales · 0 awards/exercises

Issuer Cluster

14 13D/G filings on this issuer

13 other filings besides this one

Filer Track Record

24 filings by this filer

23 other filings in the data moat

Short Interest · settle 2026-07-31

DTC 9.50

13,729,826 shares short · +2.6% vs prior

Institutional Consensus · 2025-12-31

Held by elite portfolio managers

1 holder · $5.64M

Point72 Asset Mgmt

Other 13D/G Filings on Groupon, Inc.

Filed	Form	Filer	Stake	Shares
2026-08-10	SCHEDULE 13D/A	Barta Jan	32.00%	10,180,970	view →
2025-02-06	SCHEDULE	Barta Jan	32.00%	13,688,831	view →
2024-01-03	SC	Divisadero Street Capital Management, LP	—	—	view →
2023-11-13	SC	Barta Jan	—	—	view →
2022-02-15	SC	Barta Jan	—	—	view →
2022-01-26	SC	Barta Jan	—	—	view →
2022-01-19	SC	Barta Jan	—	—	view →
2021-05-14	SC	A-G Holdings, L.P.	—	—	view →
2021-05-06	SC	A-G Holdings, L.P.	—	—	view →
2021-04-05	SC	MIG Capital, LLC	—	—	view →
2020-04-27	SC	MIG Capital, LLC	—	—	view →
2020-01-31	SC	MIG Capital, LLC	—	—	view →
2018-02-14	SC	A-G Holdings, L.P.	—	—	view →

Other Filings by MILLENNIUM MANAGEMENT LLC

Filed	Form	Issuer	Stake	Shares
2026-08-19	SCHEDULE 13G	Vanda Pharmaceuticals Inc.	—	—	view →
2026-08-19	SCHEDULE 13G	T1 Energy Inc.	—	—	view →
2026-08-19	SCHEDULE 13G	Capricor Therapeutics, Inc.	—	—	view →
2026-08-18	SCHEDULE 13G	Tenax Therapeutics, Inc.	—	—	view →
2026-07-30	SCHEDULE 13G	Apollo Commercial Real Estate Finance, Inc.	—	—	view →
2026-07-22	SCHEDULE 13G	Ameresco, Inc.	—	—	view →
2026-07-22	SCHEDULE 13G	The Boston Beer Company, Inc.	—	—	view →
2026-07-20	SCHEDULE 13G	Perspective Therapeutics, Inc.	—	—	view →
2026-07-07	SCHEDULE 13G	Ares Acquisition Corporation III AAC-UN	—	—	view →
2026-06-30	SCHEDULE 13G	Perspective Therapeutics, Inc. CATX	—	—	view →
2026-06-29	SCHEDULE 13G	Maravai LifeSciences Holdings, Inc. MRVI	—	—	view →
2026-06-29	SCHEDULE 13G	BellRing Brands, Inc. BRBR	—	—	view →
2026-06-26	SCHEDULE 13G	LENZ Therapeutics, Inc. LENZ	—	—	view →
2026-06-25	SCHEDULE 13G	Xanadu Quantum Technologies Limited XNDU	—	—	view →
2026-06-24	SCHEDULE 13G	DXC Technology Company DXC	—	—	view →
2026-06-23	SCHEDULE 13G	Maravai LifeSciences Holdings, Inc. MRVI	—	—	view →
2026-06-22	SCHEDULE 13G	Relmada Therapeutics, Inc. RLMD	—	—	view →
2026-06-16	SCHEDULE 13G	Snow Rothschild Acquisition Corp. ISNRU	—	—	view →
2026-06-15	SCHEDULE 13G	Tonix Pharmaceuticals Holding Corp. TNXP	—	—	view →
2026-06-09	SCHEDULE 13G	Long Table Growth Corp. LTGRU	—	—	view →

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