GRPN — Institutional owners (13F)
Institutions that report holding this stock in their quarterly SEC Form 13F. Long positions only; a single filer may appear twice for separate option legs. Large offsetting put/call legs typically reflect market-making or hedged inventory, not directional conviction.
| Institution | Value | Shares | % of tracked 13F | Type |
|---|---|---|---|---|
| Pale Fire Capital SE | $244,956,544 | 10,181,070 | 22.93% | Shares |
| CONTINENTAL GENERAL INSURANCE CO | $59,646,785 | 2,479,085 | 5.58% | Shares |
| Windward Management LP | $56,420,700 | 2,345,000 | 5.28% | Shares |
| BlackRock, Inc. | $53,511,557 | 2,224,088 | 5.01% | Shares |
| Divisadero Street Capital Management, LP | $44,410,862 | 1,845,838 | 4.16% | Shares |
| VANGUARD GROUP INC | $36,947,401 | 2,098,092 | 3.46% | Shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | $31,369,428 | 1,303,800 | 2.94% | Call option |
| UBS Group AG | $30,344,087 | 1,261,184 | 2.84% | Shares |
| VANGUARD CAPITAL MANAGEMENT LLC | $24,432,088 | 1,015,465 | 2.29% | Shares |
| Wolf Hill Capital Management, LP | $24,060,000 | 1,000,000 | 2.25% | Shares |
| GARNET EQUITY CAPITAL HOLDINGS, INC. | $23,356,871 | 970,776 | 2.19% | Shares |
| MILLENNIUM MANAGEMENT LLC | $22,786,721 | 947,079 | 2.13% | Shares |
| Windward Management LP | $22,616,400 | 940,000 | 2.12% | Call option |
| STATE STREET CORP | $21,486,085 | 893,021 | 2.01% | Shares |
| ExodusPoint Capital Management, LP | $20,495,607 | 851,854 | 1.92% | Shares |
| D. E. Shaw & Co., Inc. | $17,443,548 | 725,002 | 1.63% | Shares |
| GOLDMAN SACHS GROUP INC | $17,127,038 | 711,847 | 1.60% | Shares |
| CITADEL ADVISORS LLC | $17,000,796 | 706,600 | 1.59% | Call option |
| Generali Investments CEE, investicni spolecnost, a.s. | $16,591,006 | 689,568 | 1.55% | Shares |
| GEODE CAPITAL MANAGEMENT, LLC | $16,474,759 | 684,588 | 1.54% | Shares |
| MASON CAPITAL MANAGEMENT LLC | $15,810,885 | 657,144 | 1.48% | Shares |
| MORGAN STANLEY | $13,134,016 | 545,885 | 1.23% | Shares |
| JANE STREET GROUP, LLC | $12,511,200 | 520,000 | 1.17% | Call option |
| DIMENSIONAL FUND ADVISORS LP | $12,171,475 | 505,928 | 1.14% | Shares |
| DISCOVERY CAPITAL MANAGEMENT, LLC / CT | $11,814,687 | 491,051 | 1.11% | Shares |
| CITADEL ADVISORS LLC | $9,823,698 | 408,300 | 0.92% | Put option |
| JANE STREET GROUP, LLC | $8,170,680 | 339,596 | 0.76% | Shares |
| Walleye Trading LLC | $7,574,088 | 314,800 | 0.71% | Call option |
| Wolf Hill Capital Management, LP | $6,900,408 | 286,800 | 0.65% | Call option |
| CenterBook Partners LP | $6,774,719 | 281,576 | 0.63% | Shares |
| VANGUARD PORTFOLIO MANAGEMENT LLC | $6,227,378 | 258,827 | 0.58% | Shares |
| RENAISSANCE TECHNOLOGIES LLC | $6,188,545 | 257,213 | 0.58% | Shares |
| WOLVERINE ASSET MANAGEMENT LLC | $6,027,030 | 250,500 | 0.56% | Put option |
| JANE STREET GROUP, LLC | $5,603,574 | 232,900 | 0.52% | Put option |
| BANK OF AMERICA CORP /DE/ | $5,454,234 | 226,693 | 0.51% | Shares |
| MARSHALL WACE, LLP | $5,418,698 | 225,216 | 0.51% | Shares |
| WOLVERINE TRADING, LLC | $5,273,100 | 226,800 | 0.49% | Put option |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | $5,196,960 | 216,000 | 0.49% | Put option |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $5,153,965 | 214,213 | 0.48% | Shares |
| NORTHERN TRUST CORP | $5,152,040 | 214,133 | 0.48% | Shares |
| Union Square Park Capital Management, LLC | $4,932,300 | 205,000 | 0.46% | Shares |
| GROUP ONE TRADING LLC | $4,848,812 | 201,530 | 0.45% | Shares |
| Cubist Systematic Strategies, LLC | $4,571,626 | 195,787 | 0.43% | Shares |
| VANGUARD FIDUCIARY TRUST CO | $4,191,132 | 174,195 | 0.39% | Shares |
| WOLVERINE TRADING, LLC | $3,599,286 | 154,808 | 0.34% | Shares |
| Lombard Odier Asset Management (Europe) Ltd | $3,542,739 | 147,246 | 0.33% | Shares |
| WOLVERINE TRADING, LLC | $3,410,775 | 146,700 | 0.32% | Call option |
| CITADEL ADVISORS LLC | $3,257,266 | 135,381 | 0.30% | Shares |
| Potomac Capital Management, Inc. | $2,964,192 | 123,200 | 0.28% | Shares |
| Walleye Capital LLC | $2,781,336 | 115,600 | 0.26% | Put option |
| Quinn Opportunity Partners LLC | $2,766,900 | 115,000 | 0.26% | Shares |
| SIMPLEX TRADING, LLC | $2,522,522 | 104,843 | 0.24% | Shares |
| Diametric Capital, LP | $2,477,458 | 102,970 | 0.23% | Shares |
| Concentric Capital Strategies, LP | $2,439,901 | 101,409 | 0.23% | Shares |
| D. E. Shaw & Co., Inc. | $2,187,054 | 90,900 | 0.20% | Put option |
| Walleye Trading LLC | $2,059,536 | 85,600 | 0.19% | Put option |
| OSSIAM | $1,895,928 | 78,800 | 0.18% | Shares |
| Clear Street Group Inc. | $1,804,500 | 75,000 | 0.17% | Call option |
| Bank of New York Mellon Corp | $1,728,627 | 71,847 | 0.16% | Shares |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | $1,712,759 | 71,187 | 0.16% | Shares |
| Nuveen, LLC | $1,637,957 | 68,078 | 0.15% | Shares |
| TWO SIGMA INVESTMENTS, LP | $1,605,404 | 66,725 | 0.15% | Shares |
| BARCLAYS PLC | $1,494,246 | 62,105 | 0.14% | Shares |
| Quantinno Capital Management LP | $1,386,963 | 57,646 | 0.13% | Shares |
| Walleye Trading LLC | $1,356,334 | 56,373 | 0.13% | Shares |
| UBS Group AG | $1,323,300 | 55,000 | 0.12% | Call option |
| TWO SIGMA ADVISERS, LP | $1,320,732 | 74,999 | 0.12% | Shares |
| PEAK6 LLC | $1,316,082 | 54,700 | 0.12% | Put option |
| Mariner, LLC | $1,283,560 | 53,370 | 0.12% | Shares |
| Swiss National Bank | $1,248,714 | 51,900 | 0.12% | Shares |
| Caption Management, LLC | $1,203,000 | 50,000 | 0.11% | Call option |
| Quadrature Capital Ltd | $1,195,565 | 49,691 | 0.11% | Shares |
| AQR CAPITAL MANAGEMENT LLC | $1,084,505 | 45,075 | 0.10% | Shares |
| Walleye Capital LLC | $1,070,670 | 44,500 | 0.10% | Call option |
| Jump Financial, LLC | $999,332 | 41,535 | 0.09% | Shares |
| Brevan Howard Capital Management LP | $964,734 | 40,097 | 0.09% | Shares |
| CDC Financial, Inc. | $962,400 | 40,000 | 0.09% | Call option |
| Union Square Park Capital Management, LLC | $902,250 | 37,500 | 0.08% | Call option |
| RHUMBLINE ADVISERS | $753,961 | 31,337 | 0.07% | Shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | $752,332 | 31,269 | 0.07% | Shares |
| STIFEL FINANCIAL CORP | $722,786 | 30,041 | 0.07% | Shares |
| D. E. Shaw & Co., Inc. | $721,800 | 30,000 | 0.07% | Call option |
| Invesco Ltd. | $700,051 | 29,096 | 0.07% | Shares |
| IHT Wealth Management, LLC | $684,050 | 28,431 | 0.06% | Shares |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | $669,470 | 27,825 | 0.06% | Shares |
| Bleakley Financial Group, LLC | $643,268 | 26,736 | 0.06% | Shares |
| Belvedere Trading LLC | $637,590 | 26,500 | 0.06% | Call option |
| DEUTSCHE BANK AG\ | $588,820 | 24,473 | 0.06% | Shares |
| Cubist Systematic Strategies, LLC | $583,750 | 25,000 | 0.05% | Call option |
| Orion Porfolio Solutions, LLC | $575,660 | 23,926 | 0.05% | Shares |
| OCCUDO QUANTITATIVE STRATEGIES LP | $568,562 | 23,631 | 0.05% | Shares |
| AXQ CAPITAL, LP | $543,058 | 22,571 | 0.05% | Shares |
| WOLVERINE ASSET MANAGEMENT LLC | $528,622 | 21,971 | 0.05% | Shares |
| Inspire Investing, LLC | $522,767 | 43,930 | 0.05% | Shares |
| JPMORGAN CHASE & CO | $516,321 | 21,878 | 0.05% | Shares |
| Corient Private Wealth LP | $514,212 | 21,372 | 0.05% | Shares |
| WELLS FARGO & COMPANY/MN | $503,921 | 20,944 | 0.05% | Shares |
| Engineers Gate Manager LP | $466,908 | 19,406 | 0.04% | Shares |
| Legal & General Group Plc | $463,395 | 19,260 | 0.04% | Shares |
| XTX Topco Ltd | $453,603 | 18,853 | 0.04% | Shares |
| Rafferty Asset Management, LLC | $447,420 | 18,596 | 0.04% | Shares |
| COMMONWEALTH EQUITY SERVICES, LLC | $432,180 | 17,963 | 0.04% | Shares |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | $401,304 | 33,723 | 0.04% | Shares |
| VANGUARD ASSET MANAGEMENT, Ltd | $387,366 | 16,100 | 0.04% | Shares |
| Blueshift Asset Management, LLC | $384,719 | 15,990 | 0.04% | Shares |
| Headlands Technologies LLC | $362,199 | 15,054 | 0.03% | Shares |
| SIG BROKERAGE, LP | $360,900 | 15,000 | 0.03% | Put option |
| Quantbot Technologies LP | $349,423 | 14,523 | 0.03% | Shares |
| Squarepoint Ops LLC | $348,605 | 14,489 | 0.03% | Shares |
| IMC-Chicago, LLC | $328,347 | 13,647 | 0.03% | Shares |
| MetLife Investment Management, LLC | $324,762 | 13,498 | 0.03% | Shares |
| ALLIANCEBERNSTEIN L.P. | $314,041 | 26,390 | 0.03% | Shares |
| Caption Management, LLC | $312,563 | 12,991 | 0.03% | Shares |
| Zurcher Kantonalbank (Zurich Cantonalbank) | $294,639 | 12,246 | 0.03% | Shares |
| Cubist Systematic Strategies, LLC | $289,540 | 12,400 | 0.03% | Put option |
| Tower Research Capital LLC (TRC) | $288,383 | 11,986 | 0.03% | Shares |
| Savant Capital, LLC | $287,854 | 11,964 | 0.03% | Shares |
| Caitong International Asset Management Co., Ltd | $286,603 | 11,912 | 0.03% | Shares |
| CITIGROUP INC | $285,953 | 11,885 | 0.03% | Shares |
| BOOTHBAY FUND MANAGEMENT, LLC | $276,690 | 11,500 | 0.03% | Call option |
| SummitTX Capital, L.P. | $265,983 | 11,055 | 0.02% | Shares |
| Aquatic Capital Management LLC | $253,448 | 10,534 | 0.02% | Shares |
| Vanguard Global Advisers, LLC | $252,317 | 10,487 | 0.02% | Shares |
| Atom Investors LP | $250,850 | 10,426 | 0.02% | Shares |
| Ascent Group, LLC | $238,317 | 9,905 | 0.02% | Shares |
| DRIVE WEALTH MANAGEMENT, LLC | $226,176 | 9,401 | 0.02% | Shares |
| NEW YORK STATE COMMON RETIREMENT FUND | $218,946 | 9,100 | 0.02% | Shares |
| NORDEN GROUP LLC | $207,471 | 8,623 | 0.02% | Shares |
| PRELUDE CAPITAL MANAGEMENT, LLC | $200,805 | 8,346 | 0.02% | Shares |
| Skopos Labs, Inc. | $189,520 | 15,926 | 0.02% | Shares |
| Russell Investments Group, Ltd. | $182,279 | 7,576 | 0.02% | Shares |
| Police & Firemen's Retirement System of New Jersey | $166,856 | 6,935 | 0.02% | Shares |
| PEAK6 LLC | $161,202 | 6,700 | 0.02% | Call option |
| Vanguard Investments Australia, Ltd. | $140,607 | 5,844 | 0.01% | Shares |
| FMR LLC | $133,942 | 5,567 | 0.01% | Shares |
| Walleye Capital LLC | $132,763 | 5,518 | 0.01% | Shares |
| KLP KAPITALFORVALTNING AS | $127,518 | 5,300 | 0.01% | Shares |
| JANUS HENDERSON GROUP PLC | $118,950 | 10,000 | 0.01% | Shares |
| ROYAL BANK OF CANADA | $117,000 | 4,866 | 0.01% | Shares |
| Bayforest Capital Ltd | $108,703 | 4,518 | 0.01% | Shares |
| BNP PARIBAS FINANCIAL MARKETS | $94,363 | 3,922 | 0.01% | Shares |
| Persistent Asset Partners Ltd | $92,414 | 3,841 | 0.01% | Shares |
| OSAIC HOLDINGS, INC. | $76,126 | 3,164 | 0.01% | Shares |
| Point72 Europe (London) LLP | $66,369 | 2,842 | 0.01% | Shares |
| Larson Financial Group LLC | $60,679 | 2,522 | 0.01% | Shares |
| Federation des caisses Desjardins du Quebec | $54,910 | 2,286 | 0.01% | Shares |
| AlphaQuest LLC | $53,376 | 3,031 | 0.00% | Shares |
| Ameritas Investment Partners, Inc. | $50,285 | 2,090 | 0.00% | Shares |
| Allworth Financial LP | $25,263 | 1,050 | 0.00% | Shares |
| Versant Capital Management, Inc | $24,107 | 1,220 | 0.00% | Shares |
| Steward Partners Investment Advisory, LLC | $24,060 | 1,000 | 0.00% | Shares |
| HUNTINGTON NATIONAL BANK | $19,127 | 795 | 0.00% | Shares |
| GAMMA Investing LLC | $17,179 | 714 | 0.00% | Shares |
| Rockefeller Capital Management L.P. | $16,722 | 695 | 0.00% | Shares |
| Point72 Asia (Singapore) Pte. Ltd. | $16,315 | 699 | 0.00% | Shares |
| Spire Wealth Management | $12,150 | 505 | 0.00% | Shares |
| Sterling Capital Management LLC | $11,525 | 479 | 0.00% | Shares |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | $9,985 | 415 | 0.00% | Shares |
| Silver Grove Financial Group, Inc. | $9,816 | 408 | 0.00% | Shares |
| Arax Advisory Partners | $8,566 | 356 | 0.00% | Shares |
| Kemnay Advisory Services Inc. | $6,183 | 257 | 0.00% | Shares |
| Vermillion Wealth Management, Inc. | $6,159 | 256 | 0.00% | Shares |
| CWM, LLC | $5,272 | 443 | 0.00% | Shares |
| MARSHALL WACE, LLP | $4,812 | 200 | 0.00% | Call option |
| EverSource Wealth Advisors, LLC | $4,620 | 192 | 0.00% | Shares |
| NISA INVESTMENT ADVISORS, LLC | $3,705 | 154 | 0.00% | Shares |
| Parallel Advisors, LLC | $3,705 | 154 | 0.00% | Shares |
| Farther Finance Advisors, LLC | $3,080 | 128 | 0.00% | Shares |
| Stone House Investment Management, LLC | $2,767 | 115 | 0.00% | Shares |
| Quarry LP | $2,526 | 105 | 0.00% | Shares |
| SBI Securities Co., Ltd. | $2,286 | 95 | 0.00% | Shares |
| Optiver Holding B.V. | $2,069 | 86 | 0.00% | Shares |
| Geneos Wealth Management Inc. | $1,877 | 78 | 0.00% | Shares |
| US BANCORP \DE\ | $1,805 | 75 | 0.00% | Shares |
| North Star Investment Management Corp. | $1,804 | 75 | 0.00% | Shares |
| JONES FINANCIAL COMPANIES LLLP | $1,740 | 77 | 0.00% | Shares |
| SG Americas Securities, LLC | $1,567 | 65,142 | 0.00% | Shares |
| CIBC Private Wealth Group LLC | $1,168 | 50 | 0.00% | Shares |
| SIGNATUREFD, LLC | $938 | 39 | 0.00% | Shares |
| ROTHSCHILD INVESTMENT LLC | $842 | 35 | 0.00% | Shares |
| State of Alaska, Department of Revenue | $577 | 24,023 | 0.00% | Shares |
| Abound Wealth Management | $536 | 45 | 0.00% | Shares |
| PRICE T ROWE ASSOCIATES INC /MD/ | $462 | 19,176 | 0.00% | Shares |
| CoreCap Advisors, LLC | $361 | 15 | 0.00% | Shares |
| IFP Advisors, Inc | $241 | 10 | 0.00% | Shares |
| NewEdge Advisors, LLC | $241 | 10 | 0.00% | Shares |
| PRIVATE TRUST CO NA | $217 | 9 | 0.00% | Shares |
| PNC Financial Services Group, Inc. | $192 | 8 | 0.00% | Shares |
| Global Retirement Partners, LLC | $168 | 7 | 0.00% | Shares |
| Keating Financial Advisory Services, Inc. | $144 | 6 | 0.00% | Shares |
| Pinnacle Wealth Planning Services, Inc. | $120 | 5 | 0.00% | Shares |
| CANADA LIFE ASSURANCE Co | $79 | 3,292 | 0.00% | Shares |
| McMillan Office, Inc. | $72 | 3 | 0.00% | Shares |
| MCDONALD PARTNERS LLC | $48 | 2 | 0.00% | Shares |
| Hughes Financial Services, LLC | $48 | 2 | 0.00% | Shares |
| Sunbelt Securities, Inc. | $48 | 4 | 0.00% | Shares |
| Costello Asset Management, INC | $48 | 2 | 0.00% | Shares |
| Covestor Ltd | $14 | 568 | 0.00% | Shares |
| HANTZ FINANCIAL SERVICES, INC. | $2 | 103 | 0.00% | Shares |