Filed: 11/3/2025ACC: 0001019056-25-000229
📋 What this filing means
GAGNON ADVISORS, LLC filed this quarterly 13F‑HR report disclosing 24 equity positions with a total reported market value of $161.95M. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
24
Positions
$161.95M
Total AUM (reported)
10.74M
Total Shares
Allocation by class
COM$73.95M45.7%
CL A$18.27M11.3%
COM CL A$17.47M10.8%
CLA$15.88M9.8%
CLASS A COM$13.30M8.2%
COM NEW$11.38M7.0%
SHS$11.37M7.0%
Portfolio Concentration
Top 3$42.86M26.5%
4–10$61.73M38.1%
11–25$57.37M35.4%
Top 3 weight
26.5%
Top 10 weight
64.6%
Voting Authority Distribution
Total shares with voting rights: 10.74M
Sole
Full voting authority
0.00
shares
% of voting shares0.0%
Shared
Joint voting authority
0.00
shares
% of voting shares0.0%
None
No voting authority
10.74M
shares
% of voting shares100.0%
Investment Discretion (by position count)
Sole24
Shared0
Other0
Dominant voting typeNone · 100.0% of voting shares
Institutional Holdings24
Rows:
AMERESCO INC
SOLEShares472.80K
TypeSH
Market value$15.88M
9.80%
Sole
0.00
Shared
0.00
None
472.80K
GENEDX HOLDINGS CORP
SOLEShares127.06K
TypeSH
Market value$13.69M
8.45%
Sole
0.00
Shared
0.00
None
127.06K
FRESHWORKS INC
SOLEShares1.13M
TypeSH
Market value$13.30M
8.21%
Sole
0.00
Shared
0.00
None
1.13M
AIR LEASE CORP
SOLEShares196.48K
TypeSH
Market value$12.51M
7.72%
Sole
0.00
Shared
0.00
None
196.48K
ENTERPRISE PRODS PARTNERS L P
SOLEShares339.88K
TypeSH
Market value$10.63M
6.56%
Sole
0.00
Shared
0.00
None
339.88K
EQUINIX INC
SOLEShares10.71K
TypeSH
Market value$8.39M
5.18%
Sole
0.00
Shared
0.00
None
10.71K
NAVIGATOR HLDGS LTD
SOLEShares517.07K
TypeSH
Market value$8.01M
4.95%
Sole
0.00
Shared
0.00
None
517.07K
CAREDX INC
SOLEShares529.41K
TypeSH
Market value$7.70M
4.75%
Sole
0.00
Shared
0.00
None
529.41K
DOUBLEVERIFY HLDGS INC
SOLEShares625.77K
TypeSH
Market value$7.50M
4.63%
Sole
0.00
Shared
0.00
None
625.77K
BIOLIFE SOLUTIONS INC
SOLEShares274.22K
TypeSH
Market value$7.00M
4.32%
Sole
0.00
Shared
0.00
None
274.22K
BLACKLINE INC
SOLEShares130.05K
TypeSH
Market value$6.91M
4.26%
Sole
0.00
Shared
0.00
None
130.05K
TREACE MED CONCEPTS INC
SOLEShares968.46K
TypeSH
Market value$6.50M
4.01%
Sole
0.00
Shared
0.00
None
968.46K
VERTEX INC
SOLEShares232.48K
TypeSH
Market value$5.76M
3.56%
Sole
0.00
Shared
0.00
None
232.48K
PACIRA BIOSCIENCES INC
SOLEShares213.40K
TypeSH
Market value$5.50M
3.40%
Sole
0.00
Shared
0.00
None
213.40K
PROFOUND MED CORP
SOLEShares896.67K
TypeSH
Market value$4.38M
2.71%
Sole
0.00
Shared
0.00
None
896.67K
FIVE9 INC
SOLEShares167.39K
TypeSH
Market value$4.05M
2.50%
Sole
0.00
Shared
0.00
None
167.39K
ASPEN AEROGELS INC
SOLEShares565.57K
TypeSH
Market value$3.94M
2.43%
Sole
0.00
Shared
0.00
None
565.57K
OraSure Technologies Inc
SOLEShares1.21M
TypeSH
Market value$3.88M
2.39%
Sole
0.00
Shared
0.00
None
1.21M
MarineMax Inc
SOLEShares151.84K
TypeSH
Market value$3.85M
2.37%
Sole
0.00
Shared
0.00
None
151.84K
AMPLITUDE INC
SOLEShares352.99K
TypeSH
Market value$3.78M
2.34%
Sole
0.00
Shared
0.00
None
352.99K
ALPHA & OMEGA SEMICONDUCTOR LT
SOLEShares120.20K
TypeSH
Market value$3.36M
2.08%
Sole
0.00
Shared
0.00
None
120.20K
NVIDIA CORPORATION
SOLEShares16.55K
TypeSH
Market value$3.09M
1.91%
Sole
0.00
Shared
0.00
None
16.55K
KALTURA INC
SOLEShares1.41M
TypeSH
Market value$2.03M
1.26%
Sole
0.00
Shared
0.00
None
1.41M
CNFINANCE HLDGS LTD
SOLEShares80.36K
TypeSH
Market value$336.7K
0.21%
Sole
0.00
Shared
0.00
None
80.36K
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
AMERESCO INCSOLE | CLA | 472.80K | SH | $15.88M 9.80% | 0.00 | 0.00 | 472.80K |
GENEDX HOLDINGS CORPSOLE | COM CL A | 127.06K | SH | $13.69M 8.45% | 0.00 | 0.00 | 127.06K |
FRESHWORKS INCSOLE | CLASS A COM | 1.13M | SH | $13.30M 8.21% | 0.00 | 0.00 | 1.13M |
AIR LEASE CORPSOLE | CL A | 196.48K | SH | $12.51M 7.72% | 0.00 | 0.00 | 196.48K |
ENTERPRISE PRODS PARTNERS L PSOLE | COM | 339.88K | SH | $10.63M 6.56% | 0.00 | 0.00 | 339.88K |
EQUINIX INCSOLE | COM | 10.71K | SH | $8.39M 5.18% | 0.00 | 0.00 | 10.71K |
NAVIGATOR HLDGS LTDSOLE | SHS | 517.07K | SH | $8.01M 4.95% | 0.00 | 0.00 | 517.07K |
CAREDX INCSOLE | COM | 529.41K | SH | $7.70M 4.75% | 0.00 | 0.00 | 529.41K |
DOUBLEVERIFY HLDGS INCSOLE | COM | 625.77K | SH | $7.50M 4.63% | 0.00 | 0.00 | 625.77K |
BIOLIFE SOLUTIONS INCSOLE | COM NEW | 274.22K | SH | $7.00M 4.32% | 0.00 | 0.00 | 274.22K |
BLACKLINE INCSOLE | COM | 130.05K | SH | $6.91M 4.26% | 0.00 | 0.00 | 130.05K |
TREACE MED CONCEPTS INCSOLE | COM | 968.46K | SH | $6.50M 4.01% | 0.00 | 0.00 | 968.46K |
VERTEX INCSOLE | CL A | 232.48K | SH | $5.76M 3.56% | 0.00 | 0.00 | 232.48K |
PACIRA BIOSCIENCES INCSOLE | COM | 213.40K | SH | $5.50M 3.40% | 0.00 | 0.00 | 213.40K |
PROFOUND MED CORPSOLE | COM NEW | 896.67K | SH | $4.38M 2.71% | 0.00 | 0.00 | 896.67K |
FIVE9 INCSOLE | COM | 167.39K | SH | $4.05M 2.50% | 0.00 | 0.00 | 167.39K |
ASPEN AEROGELS INCSOLE | COM | 565.57K | SH | $3.94M 2.43% | 0.00 | 0.00 | 565.57K |
OraSure Technologies IncSOLE | COM | 1.21M | SH | $3.88M 2.39% | 0.00 | 0.00 | 1.21M |
MarineMax IncSOLE | COM | 151.84K | SH | $3.85M 2.37% | 0.00 | 0.00 | 151.84K |
AMPLITUDE INCSOLE | COM CL A | 352.99K | SH | $3.78M 2.34% | 0.00 | 0.00 | 352.99K |
ALPHA & OMEGA SEMICONDUCTOR LTSOLE | SHS | 120.20K | SH | $3.36M 2.08% | 0.00 | 0.00 | 120.20K |
NVIDIA CORPORATIONSOLE | COM | 16.55K | SH | $3.09M 1.91% | 0.00 | 0.00 | 16.55K |
KALTURA INCSOLE | COM | 1.41M | SH | $2.03M 1.26% | 0.00 | 0.00 | 1.41M |
CNFINANCE HLDGS LTDSOLE | SPON ADS | 80.36K | SH | $336.7K 0.21% | 0.00 | 0.00 | 80.36K |