Gagnon Securities LLC

Investment Portfolio & 13F Holdings Analysis

About

Type: FundHoldings: 98Value: $454.5MLatest: 2025Q1

GAGNON SECURITIES LLC is an institutional investment manager that filed its latest Form 13F for 2025Q1, reporting 98 holdings worth $0.5 billion. Form 13F filings provide transparency into the equity holdings of institutional investment managers with over $100 million in assets under management. This page displays the most recent portfolio holdings, allowing investors to track position changes, new investments, and portfolio composition.

AI_NATIVE detailed information: This accession holds the following tickers:[
  "NCNO",
  "MXCT",
  "RNG",
  "LTH",
  "WGS",
  "AKAM",
  "EXAS",
  "QSR",
  "MU",
  "FLG",
  "SHOO",
  "PCRX",
  "GOOGL",
  "AMRC",
  "T",
  "QDEL",
  "KMX",
  "PETS",
  "PSIX",
  "PRLB",
  "EOG",
  "AOSL",
  "CNF",
  "APPS",
  "ISRG",
  "FRSH",
  "META",
  "RNTX",
  "LAB",
  "TMCI",
  "IONQ",
  "ENSG",
  "MRVL",
  null,
  "MSFT",
  "EQIX",
  "ETSY",
  "ICUI",
  "BX",
  "PYPL",
  "NVDA",
  "PFE",
  "MRK",
  "SHOP",
  "SBUX",
  "TPR",
  "ATNM",
  "MBLY",
  "WEAV",
  "VRN.TO",
  "FIVN",
  "PNTG",
  "PROF",
  "GNL",
  "VIAV",
  "GDRX",
  "GNRC",
  "DRRX",
  "ETWO",
  "GAMB",
  "HIMX",
  "KLTR",
  null,
  "AL",
  null,
  "VCEL",
  "VERX",
  "WBD",
  "WBA",
  "WFC",
  "YEXT",
  "OSUR",
  "ONTO",
  "GNTX",
  "NVGS",
  "TTD",
  "SLG",
  "PTEN",
  "GAP",
  "BLZE",
  "TECH",
  "BL",
  "BLFS",
  "SAM",
  "CDNA",
  "CARG",
  "CTRE",
  "CELC",
  "CAKE",
  "CMG",
  "CGNX",
  "CVLT",
  "DVN",
  "DHX",
  "DV",
  "EPD",
  "XOM",
  "MCHP"
]

Filing Details

13F-HR • 2025-03-31

SEC FilingSEC DataHachi Filing

Report Date: 2025-03-31
Filing Date: 2025-05-09
Total Holdings: 98
Total Value: 454535548
Accession Number: 0001019056-25-000173
Form Type: 13F-HR
CIK: gagnon-securities
Manager Name: Gagnon-Securities

Data Enrichment

97% identified

95 identified3 unidentified

Holdings

SEC FilingSEC DataHachi Filing

Manager:

98 positions • $454.5M total value

SEC FilingSEC DataHachi Filing

Manager:

Search and click to pin securities to the top

Page 1 of 5

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AIR LEASE CORP

AL|00912X302

Shares:731.1K

Value:$35.3M

% of Portfolio:7.8% ($35.3M/$454.5M)

ENSIGN GROUP, INC

ENSG|29358P101

Shares:219.1K

Value:$28.4M

% of Portfolio:6.2% ($28.4M/$454.5M)

INTUITIVE SURGICAL INC

ISRG|46120E602

Shares:56.7K

Value:$28.1M

% of Portfolio:6.2% ($28.1M/$454.5M)

CareDx, Inc.

CDNA|14167L103

Shares:1.4M

Value:$25.2M

% of Portfolio:5.6% ($25.2M/$454.5M)

GeneDx Holdings Corp.

WGS|81663L200

Shares:284.9K

Value:$25.2M

% of Portfolio:5.6% ($25.2M/$454.5M)

ENTERPRISE PRODUCTS PARTNERS L.P.

EPD|293792107

Shares:487.9K

Value:$16.7M

% of Portfolio:3.7% ($16.7M/$454.5M)

TREACE MEDICAL CONCEPTS, INC.

TMCI|89455T109

Shares:1.7M

Value:$14.7M

% of Portfolio:3.2% ($14.7M/$454.5M)

POWER SOLUTIONS INTERNATIONAL, INC.

PSIX|73933G202

Shares:525.3K

Value:$13.3M

% of Portfolio:2.9% ($13.3M/$454.5M)

CHEESECAKE FACTORY INC

CAKE|163072101

Shares:257.3K

Value:$12.5M

% of Portfolio:2.8% ($12.5M/$454.5M)

Freshworks Inc.

FRSH|358054104

Shares:876.9K

Value:$12.4M

% of Portfolio:2.7% ($12.4M/$454.5M)

BIOLIFE SOLUTIONS INC

BLFS|09062W204

Shares:541.0K

Value:$12.4M

% of Portfolio:2.7% ($12.4M/$454.5M)

CARMAX INC

KMX|143130102

Shares:157.3K

Value:$12.3M

% of Portfolio:2.7% ($12.3M/$454.5M)

BLACKLINE, INC.

BL|09239B109

Shares:250.7K

Value:$12.1M

% of Portfolio:2.7% ($12.1M/$454.5M)

EXACT SCIENCES CORP

EXAS|30063P105

Shares:270.7K

Value:$11.7M

% of Portfolio:2.6% ($11.7M/$454.5M)

Ameresco, Inc.

AMRC|02361E108

Shares:968.5K

Value:$11.7M

% of Portfolio:2.6% ($11.7M/$454.5M)

Navigator Holdings Ltd.

NVGS|Y62132108

Shares:851.6K

Value:$11.3M

% of Portfolio:2.5% ($11.3M/$454.5M)

EQUINIX INC

EQIX|29444U700

Shares:13.6K

Value:$11.1M

% of Portfolio:2.4% ($11.1M/$454.5M)

Five9, Inc.

FIVN|338307101

Shares:379.1K

Value:$10.3M

% of Portfolio:2.3% ($10.3M/$454.5M)

Profound Medical Corp.

PROF|74319B502

Shares:1.7M

Value:$9.9M

% of Portfolio:2.2% ($9.9M/$454.5M)

CarGurus, Inc.

CARG|141788109

Shares:326.4K

Value:$9.5M

% of Portfolio:2.1% ($9.5M/$454.5M)

Instrument	Shares		Other Manager	Value	% of Portfolio
AIR LEASE CORP(ALcusip00912X302)	731.1K	QoQ -0.51% (-3.8K) YoY -2.37% (-17.8K)	All Managers (Combined)	$35.3M	7.8% ($35.3M/$454.5M)	QoQ -0.30% (-$109.3K) YoY -8.31% (-$3.2M)
ENSIGN GROUP, INC(ENSGcusip29358P101)	219.1K	QoQ -0.72% (-1.6K) YoY -12.96% (-32.7K)	All Managers (Combined)	$28.4M	6.2% ($28.4M/$454.5M)	QoQ -3.30% (-$970.4K) YoY -9.48% (-$3.0M)
INTUITIVE SURGICAL INC(ISRGcusip46120E602)	56.7K	QoQ -4.15% (-2.5K) YoY +10.88% (+5.6K)	All Managers (Combined)	$28.1M	6.2% ($28.1M/$454.5M)	QoQ -9.05% (-$2.8M) YoY +37.60% (+$7.7M)
CareDx, Inc.(CDNAcusip14167L103)	1.4M	QoQ -0.66% (-9.5K) YoY -36.68% (-823.8K)	All Managers (Combined)	$25.2M	5.6% ($25.2M/$454.5M)	QoQ -17.64% (-$5.4M) YoY +6.11% (-$1.5M)
GeneDx Holdings Corp.(WGScusip81663L200)	284.9K	QoQ -20.72% (-74.5K) YoY -48.78% (-271.4K)	All Managers (Combined)	$25.2M	5.6% ($25.2M/$454.5M)	QoQ -8.64% (-$2.4M) YoY +396.80% (-$20.2M)
ENTERPRISE PRODUCTS PARTNERS L.P.(EPDcusip293792107)	487.9K	QoQ -2.07% (-10.3K) YoY -5.12% (-26.4K)	All Managers (Combined)	$16.7M	3.7% ($16.7M/$454.5M)	QoQ +6.61% (-$1.0M) YoY +11.00% (-$1.7M)
TREACE MEDICAL CONCEPTS, INC.(TMCIcusip89455T109)	1.7M	QoQ -1.21% (-21.4K) YoY NEW(+1.7M)	All Managers (Combined)	$14.7M	3.2% ($14.7M/$454.5M)	QoQ +11.40% (-$1.5M) YoY NEW(+$14.7M)
POWER SOLUTIONS INTERNATIONAL, INC.(PSIXcusip73933G202)	525.3K	QoQ -38.21% (-324.9K) YoY -59.34% (-766.6K)	All Managers (Combined)	$13.3M	2.9% ($13.3M/$454.5M)	QoQ -47.49% (-$12.0M) YoY +348.85% (-$10.3M)
CHEESECAKE FACTORY INC(CAKEcusip163072101)	257.3K	QoQ +17.95% (+39.2K) YoY +17.62% (+38.6K)	All Managers (Combined)	$12.5M	2.8% ($12.5M/$454.5M)	QoQ +20.98% (+$2.2M) YoY +58.33% (+$4.6M)
Freshworks Inc.(FRSHcusip358054104)	876.9K	QoQ +7.49% (-61.1K) YoY +47.90% (+284.0K)	All Managers (Combined)	$12.4M	2.7% ($12.4M/$454.5M)	QoQ -6.20% (-$818.1K) YoY +14.60% (+$1.6M)
BIOLIFE SOLUTIONS INC(BLFScusip09062W204)	541.0K	QoQ -4.63% (-26.3K) YoY -8.83% (-52.4K)	All Managers (Combined)	$12.4M	2.7% ($12.4M/$454.5M)	QoQ -16.09% (-$2.4M) YoY +12.24% (-$1.3M)
CARMAX INC(KMXcusip143130102)	157.3K	QoQ -1.12% (-1.8K) YoY +0.61% (-964)	All Managers (Combined)	$12.3M	2.7% ($12.3M/$454.5M)	QoQ -5.77% (-$751.1K) YoY -9.99% (-$1.4M)
BLACKLINE, INC.(BLcusip09239B109)	250.7K	QoQ +27.09% (+53.5K) YoY +51.00% (+84.7K)	All Managers (Combined)	$12.1M	2.7% ($12.1M/$454.5M)	QoQ +1.28% (+$154.1K) YoY +13.21% (+$1.4M)
EXACT SCIENCES CORP(EXAScusip30063P105)	270.7K	QoQ +9.93% (-24.5K) YoY +275.48% (+198.6K)	All Managers (Combined)	$11.7M	2.6% ($11.7M/$454.5M)	QoQ -15.30% (-$2.1M) YoY +135.37% (+$6.7M)
Ameresco, Inc.(AMRCcusip02361E108)	968.5K	QoQ +69.55% (-397.3K) YoY +179.39% (+621.9K)	All Managers (Combined)	$11.7M	2.6% ($11.7M/$454.5M)	QoQ -12.76% (-$1.7M) YoY +39.87% (+$3.3M)
Navigator Holdings Ltd.(NVGScusipY62132108)	851.6K	QoQ -0.11% (-965) YoY -8.09% (-75.0K)	All Managers (Combined)	$11.3M	2.5% ($11.3M/$454.5M)	QoQ -13.38% (-$1.8M) YoY -20.30% (-$2.9M)
EQUINIX INC(EQIXcusip29444U700)	13.6K	QoQ +5.83% (-749) YoY +2.77% (+367)	All Managers (Combined)	$11.1M	2.4% ($11.1M/$454.5M)	QoQ -8.48% (-$1.0M) YoY +1.53% (+$167.3K)
Five9, Inc.(FIVNcusip338307101)	379.1K	QoQ +3.54% (-13.0K) YoY +67.44% (-152.7K)	All Managers (Combined)	$10.3M	2.3% ($10.3M/$454.5M)	QoQ -30.82% (-$4.6M) YoY -26.80% (-$3.8M)
Profound Medical Corp.(PROFcusip74319B502)	1.7M	QoQ +2.73% (-45.1K) YoY +11.02% (-168.6K)	All Managers (Combined)	$9.9M	2.2% ($9.9M/$454.5M)	QoQ -20.38% (-$2.5M) YoY -24.24% (-$3.2M)
CarGurus, Inc.(CARGcusip141788109)	326.4K	QoQ -21.34% (-88.6K) YoY -24.48% (-105.8K)	All Managers (Combined)	$9.5M	2.1% ($9.5M/$454.5M)	QoQ -37.29% (-$5.7M) YoY -4.68% (-$467.6K)