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Portfolio (Quarterly) Guide ↗

GAGNON SECURITIES LLC

· CIK 0001125725
13F Portfolio $519M AUM 85 positions Filed Aug 5, 2026 EDGAR ↗ ← All Funds
Q2 2026 · All 83 New
Page 2 of 5  ·  83 positions
# Ticker Company Sector Shares Value ↓ % Port Chg Shares Chg % Period Price ① Since Period ①
21 BL BLACKLINE INC Technology 375,769.0 $10.5M 2.03% NEW $28.07 +13.9%
22 ASPN ASPEN AEROGELS INC Industrials 1,535,812.0 $9.7M 1.88% NEW $6.34 -20.3%
23 PRLB PROTO LABS INC Industrials 116,283.0 $9.5M 1.83% NEW $81.51 -4.9%
24 VERX VERTEX INC Technology 761,026.0 $8.7M 1.68% NEW $11.48 +18.4%
25 AMPL AMPLITUDE INC Technology 1,055,508.0 $8.1M 1.56% NEW $7.65 +73.4%
26 HZO MarineMax Inc Consumer Cyclical 211,480.0 $7.7M 1.49% NEW $36.62 +42.3%
27 OSUR OraSure Technologies Inc Healthcare 1,592,147.0 $7.1M 1.37% NEW $4.46 -15.4%
28 DV DOUBLEVERIFY HLDGS INC Technology 523,328.0 $5.7M 1.09% NEW $10.84 +22.8%
29 CELC CELCUITY INC Healthcare 53,240.0 $5.6M 1.07% NEW $104.62 -12.3%
30 CMG CHIPOTLE MEXICAN GRILL INC Consumer Cyclical 155,463.0 $5.3M 1.02% NEW $34.00 +11.1%
31 CTRE CARETRUST REIT INC Real Estate 129,955.0 $5.2M 1.01% NEW $40.35 -1.5%
32 PNTG PENNANT GROUP INC Healthcare 135,035.0 $5.0M 0.96% NEW $36.95 +5.2%
33 WHITECAP RES INC 435,100.0 $4.5M 0.87% NEW $10.38
34 ICUI ICU MED INC Healthcare 29,400.0 $4.3M 0.83% NEW $146.60 +23.3%
35 KLTR KALTURA INC Technology 3,266,999.0 $4.2M 0.82% NEW $1.30 +25.0%
36 MCHP MICROCHIP TECHNOLOGY INC. Technology 26,229.0 $2.4M 0.46% NEW $91.20 -18.6%
37 GNTX GENTEX CORP Consumer Cyclical 57,159.0 $1.4M 0.28% NEW $25.27 -7.0%
38 GNL GLOBAL NET LEASE INC Real Estate 160,598.0 $1.4M 0.28% NEW $8.94 +2.6%
39 SLG SL GREEN RLTY CORP Real Estate 25,862.0 $1.3M 0.26% NEW $51.77 +13.3%
40 SAM BOSTON BEER INC Consumer Defensive 7,283.0 $1.3M 0.25% NEW $177.03 +6.3%
Page 2 of 5  ·  83 positions

Period Price is the implied market price on the last day of the reporting period, calculated as reported value ÷ shares held. It is not the fund's purchase price or cost basis — the fund may have initiated or added to the position at any point during the quarter at a different price. Since Period shows the price change from that quarter-end snapshot to today's last price — it reflects stock movement after the report date, not the fund's actual return.

Sector Allocation
Healthcare 50.0%
Technology 17.3%
Industrials 13.3%
Consumer Cyclical 13.1%
Real Estate 5.3%
Communication Services 0.4%
Consumer Defensive 0.3%
Energy 0.2%
Financial Services 0.0%