CIK: 1125725
GAGNON SECURITIES LLC
Address: 1370 Avenue of the Americas, 26th Floor, New York, NY 10019
α Alpha 0.7200↭ Flow 0.1100Pure Active
88holdings (Q4 2025)
$0.49B13F reported value
+2 NEW+42 INCREASED-36 DECREASED-2 EXITED6 UNCHANGED
Total (Q4 25): $491,087,327
Top Holdings by Value
Position Changes (Q4 vs Q3)
Top 15 Positions ($)
Historical AUM (13F Reported)
$0.42B-$0.05B QoQPortfolio Value History (13F Reported)
Quarterly 13F portfolio value. QoQ change reflects value of disclosed long equity positions (new buys, sells, and price movements combined).
| Quarter | Portfolio Value | QoQ Change | QoQ % |
|---|---|---|---|
| Q4 25 | $0.49B | $-0.01B | -1.5% |
| Q3 25 | $0.50B | +$0.01B | +1.2% |
| Q2 25 | $0.49B | +$0.04B | +8.3% |
| Q1 25 | $0.45B | $-0.04B | -8.4% |
| Q4 24 | $0.50B | $-0.01B | -1.6% |
| Q3 24 | $0.50B | +$0.06B | +13.6% |
| Q2 24 | $0.44B | +$0.02B | +5.1% |
| Q1 24 | $0.42B | +$0.01B | +1.4% |
| Q4 23 | $0.42B | +$0.02B | +4.4% |
| Q3 23 | $0.40B | $-0.08B | -17.0% |
| Q2 23 | $0.48B | +$0.01B | +1.1% |
| Q1 23 | $0.48B | — | — |
QoQ = (quarter 13F value − prior quarter value) ÷ prior quarter value. Includes position changes, new buys, and exits. Not investment advice.
Information for Viewing 13F Reports:
- Name: The name of the company.
- CUSIP: A unique 9-character alphanumeric code that identifies a specific stock or security in the U.S.
- Class: The investment company's series name. A registered investment company may have multiple series, each with a separate securities portfolio.
- Value: The monetary value of the holdings in USD.
- Shares: The number of shares held.
- Share Price: The price of shares at the time of filing.
- Investment: The type of investment.
- % of Portfolio: The percentage that this position represents in the total portfolio.
| Quarter | Period of Report | Holdings | Value | Type | Filling Date | Filling ID |
|---|---|---|---|---|---|---|
| Q4 25 | 31-Dec-2025 | 86 | $491,087,327 | 13F-HR | 13-Feb-2026 | 0001019056-26-000037 |
| Q3 25 | 30-Sep-2025 | 86 | $498,503,418 | 13F-HR | 3-Nov-2025 | 0001019056-25-000228 |
| Q2 25 | 30-Jun-2025 | 87 | $492,357,562 | 13F-HR | 23-Jul-2025 | 0001019056-25-000196 |
| Q1 25 | 31-Mar-2025 | 98 | $454,535,548 | 13F-HR | 9-May-2025 | 0001019056-25-000173 |
| Q4 24 | 31-Dec-2024 | 91 | $496,305,819 | 13F-HR | 24-Jan-2025 | 0001019056-25-000034 |
| Q3 24 | 30-Sep-2024 | 102 | $504,352,177 | 13F-HR | 12-Nov-2024 | 0001019056-24-000316 |
| Q2 24 | 30-Jun-2024 | 97 | $443,988,671 | 13F-HR | 14-Aug-2024 | 0001019056-24-000242 |
| Q1 24 | 31-Mar-2024 | 98 | $422,544,358 | 13F-HR | 13-May-2024 | 0001019056-24-000169 |
| Q4 23 | 31-Dec-2023 | 102 | $416,585,572 | 13F-HR | 14-Feb-2024 | 0001019056-24-000095 |
| Q3 23 | 30-Sep-2023 | 97 | $399,063,082 | 13F-HR | 14-Nov-2023 | 0001019056-23-000396 |
| Q2 23 | 30-Jun-2023 | 97 | $480,938,278 | 13F-HR | 8-Aug-2023 | 0001019056-23-000328 |
| Q1 23 | 31-Mar-2023 | 112 | $475,804,546 | 13F-HR | 10-Apr-2023 | 0001019056-23-000201 |
| Q4 22 | 31-Dec-2022 | 106 | $452,942,558 | 13F-HR | 7-Feb-2023 | 0001019056-23-000104 |
| Q3 22 | 30-Sep-2022 | 101 | $454,820,000 | 13F-HR | 14-Nov-2022 | 0001019056-22-000644 |
| Q2 22 | 30-Jun-2022 | 101 | $477,078,000 | 13F-HR | 1-Aug-2022 | 0001019056-22-000526 |
| Q1 22 | 31-Mar-2022 | 103 | $613,178,000 | 13F-HR | 9-May-2022 | 0001019056-22-000377 |
| Q4 21 | 31-Dec-2021 | 105 | $666,802,000 | 13F-HR | 8-Feb-2022 | 0001019056-22-000153 |
| Q3 21 | 30-Sep-2021 | 112 | $673,116,000 | 13F-HR | 12-Nov-2021 | 0001019056-21-000591 |
| Q2 21 | 30-Jun-2021 | 111 | $704,319,000 | 13F-HR | 28-Jul-2021 | 0001019056-21-000437 |
| Q1 21 | 31-Mar-2021 | 108 | $656,701,000 | 13F-HR | 14-May-2021 | 0001019056-21-000301 |
| Q4 20 | 31-Dec-2020 | 99 | $628,129,000 | 13F-HR | 12-Feb-2021 | 0001019056-21-000108 |
| Q3 20 | 30-Sep-2020 | 100 | $468,977,000 | 13F-HR | 12-Nov-2020 | 0001019056-20-000563 |
| Q2 20 | 30-Jun-2020 | 91 | $412,962,000 | 13F-HR | 13-Aug-2020 | 0001019056-20-000474 |
| Q1 20 | 31-Mar-2020 | 96 | $294,332,000 | 13F-HR | 11-May-2020 | 0001019056-20-000313 |
| Q4 19 | 31-Dec-2019 | 93 | $456,870,000 | 13F-HR | 14-Feb-2020 | 0001019056-20-000156 |
| Q3 19 | 30-Sep-2019 | 97 | $422,608,000 | 13F-HR | 8-Nov-2019 | 0001019056-19-000636 |
| Q2 19 | 30-Jun-2019 | 97 | $463,771,000 | 13F-HR | 12-Aug-2019 | 0001019056-19-000468 |
| Q1 19 | 31-Mar-2019 | 97 | $458,675,000 | 13F-HR | 13-May-2019 | 0001019056-19-000286 |
| Q4 18 | 31-Dec-2018 | 93 | $376,006,000 | 13F-HR | 18-Jan-2019 | 0001019056-19-000021 |
| Q3 18 | 30-Sep-2018 | 101 | $435,124,000 | 13F-HR | 13-Nov-2018 | 0001019056-18-001065 |
| Q2 18 | 30-Jun-2018 | 97 | $346,696,000 | 13F-HR | 9-Aug-2018 | 0001019056-18-000942 |
| Q1 18 | 31-Mar-2018 | 95 | $280,912,000 | 13F-HR | 9-May-2018 | 0001019056-18-000597 |
| Q4 17 | 31-Dec-2017 | 91 | $281,802,000 | 13F-HR | 13-Feb-2018 | 0001019056-18-000332 |
| Q1 17 | 31-Mar-2017 | 95 | $231,181 | 13F-HR | 11-May-2017 | 0001019056-17-000443 |
| Q4 16 | 31-Dec-2016 | 96 | $233,147 | 13F-HR | 14-Feb-2017 | 0001019056-17-000184 |
| Q2 16 | 30-Jun-2016 | 84 | $208,855 | 13F-HR | 10-Aug-2016 | 0001019056-16-001475 |
| Q2 16 | 30-Jun-2016 | 92 | $214,357 | 13F-HR | 24-Aug-2016 | 0001019056-16-001510 |
| Q1 16 | 31-Mar-2016 | 88 | $208,884 | 13F-HR | 3-May-2016 | 0001019056-16-001288 |
| Q4 15 | 31-Dec-2015 | 86 | $218,359 | 13F-HR | 16-Feb-2016 | 0001019056-16-001071 |