Filed: 7/23/2025ACC: 0001019056-25-000196
📋 What this filing means
GAGNON SECURITIES LLC filed this quarterly 13F‑HR report disclosing 87 equity positions with a total reported market value of $492.36M. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
87
Positions
$492.36M
Total AUM (reported)
24.81M
Total Shares
Allocation by class
COM$316.36M64.3%
CL A$61.92M12.6%
COM NEW$46.81M9.5%
COM CL A$38.49M7.8%
CLASS A COM$13.79M2.8%
SHS$5.54M1.1%
SPON ADS NEW$4.59M0.9%
Portfolio Concentration
Top 3$105.58M21.4%
4–10$136.66M27.8%
11–25$168.57M34.2%
Rest$81.54M16.6%
Top 3 weight
21.4%
Top 10 weight
49.2%
Voting Authority Distribution
Total shares with voting rights: 24.81M
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
24.81M
shares
% of voting shares100.0%
Investment Discretion (by position count)
Sole87
Shared0
Other0
Dominant voting typeNone · 100.0% of voting shares
Institutional Holdings87
Rows:
AIR LEASE CORP
SOLEShares736.44K
TypeSH
Market value$43.07M
8.75%
Sole
0.00
Shared
0.00
None
736.44K
ENSIGN GROUP INC
SOLEShares208.99K
TypeSH
Market value$32.24M
6.55%
Sole
0.00
Shared
0.00
None
208.99K
CAREDX INC
SOLEShares1.55M
TypeSH
Market value$30.27M
6.15%
Sole
0.00
Shared
0.00
None
1.55M
INTUITIVE SURGICAL INC
SOLEShares53.82K
TypeSH
Market value$29.25M
5.94%
Sole
0.00
Shared
0.00
None
53.82K
GENEDX HOLDINGS CORP
SOLEShares271.23K
TypeSH
Market value$25.04M
5.09%
Sole
0.00
Shared
0.00
None
271.23K
POWER SOLUTIONS INTL INC
SOLEShares341.61K
TypeSH
Market value$22.10M
4.49%
Sole
0.00
Shared
0.00
None
341.61K
CHEESECAKE FACTORY INC
SOLEShares256.35K
TypeSH
Market value$16.06M
3.26%
Sole
0.00
Shared
0.00
None
256.35K
ENTERPRISE PRODS PARTNERS L P
SOLEShares487.59K
TypeSH
Market value$15.12M
3.07%
Sole
0.00
Shared
0.00
None
487.59K
EXACT SCIENCES CORP
SOLEShares278.79K
TypeSH
Market value$14.81M
3.01%
Sole
0.00
Shared
0.00
None
278.79K
BLACKLINE INC
SOLEShares252.24K
TypeSH
Market value$14.28M
2.90%
Sole
0.00
Shared
0.00
None
252.24K
EQUINIX INC
SOLEShares17.39K
TypeSH
Market value$13.83M
2.81%
Sole
0.00
Shared
0.00
None
17.39K
FRESHWORKS INC
SOLEShares924.59K
TypeSH
Market value$13.79M
2.80%
Sole
0.00
Shared
0.00
None
924.59K
TREACE MED CONCEPTS INC
SOLEShares2.25M
TypeSH
Market value$13.23M
2.69%
Sole
0.00
Shared
0.00
None
2.25M
AMERESCO INC
SOLEShares870.25K
TypeSH
Market value$13.22M
2.68%
Sole
0.00
Shared
0.00
None
870.25K
NAVIGATOR HLDGS LTD
SOLEShares871.01K
TypeSH
Market value$12.32M
2.50%
Sole
0.00
Shared
0.00
None
871.01K
BIOLIFE SOLUTIONS INC
SOLEShares539.90K
TypeSH
Market value$11.63M
2.36%
Sole
0.00
Shared
0.00
None
539.90K
ASPEN AEROGELS INC
SOLEShares1.90M
TypeSH
Market value$11.24M
2.28%
Sole
0.00
Shared
0.00
None
1.90M
CARMAX INC
SOLEShares163.42K
TypeSH
Market value$10.98M
2.23%
Sole
0.00
Shared
0.00
None
163.42K
CARGURUS INC
SOLEShares324.92K
TypeSH
Market value$10.88M
2.21%
Sole
0.00
Shared
0.00
None
324.92K
FIVE9 INC
SOLEShares407.45K
TypeSH
Market value$10.79M
2.19%
Sole
0.00
Shared
0.00
None
407.45K
PROFOUND MED CORP
SOLEShares1.75M
TypeSH
Market value$10.32M
2.10%
Sole
0.00
Shared
0.00
None
1.75M
GENERAC HLDGS INC
SOLEShares68.19K
TypeSH
Market value$9.77M
1.98%
Sole
0.00
Shared
0.00
None
68.19K
VERTEX INC
SOLEShares269.85K
TypeSH
Market value$9.54M
1.94%
Sole
0.00
Shared
0.00
None
269.85K
PACIRA BIOSCIENCES INC
SOLEShares368.35K
TypeSH
Market value$8.80M
1.79%
Sole
0.00
Shared
0.00
None
368.35K
CHIPOTLE MEXICAN GRILL INC
SOLEShares146.55K
TypeSH
Market value$8.23M
1.67%
Sole
0.00
Shared
0.00
None
146.55K
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
AIR LEASE CORPSOLE | CL A | 736.44K | SH | $43.07M 8.75% | 0.00 | 0.00 | 736.44K |
ENSIGN GROUP INCSOLE | COM | 208.99K | SH | $32.24M 6.55% | 0.00 | 0.00 | 208.99K |
CAREDX INCSOLE | COM | 1.55M | SH | $30.27M 6.15% | 0.00 | 0.00 | 1.55M |
INTUITIVE SURGICAL INCSOLE | COM NEW | 53.82K | SH | $29.25M 5.94% | 0.00 | 0.00 | 53.82K |
GENEDX HOLDINGS CORPSOLE | COM CL A | 271.23K | SH | $25.04M 5.09% | 0.00 | 0.00 | 271.23K |
POWER SOLUTIONS INTL INCSOLE | COM | 341.61K | SH | $22.10M 4.49% | 0.00 | 0.00 | 341.61K |
CHEESECAKE FACTORY INCSOLE | COM | 256.35K | SH | $16.06M 3.26% | 0.00 | 0.00 | 256.35K |
ENTERPRISE PRODS PARTNERS L PSOLE | COM | 487.59K | SH | $15.12M 3.07% | 0.00 | 0.00 | 487.59K |
EXACT SCIENCES CORPSOLE | COM | 278.79K | SH | $14.81M 3.01% | 0.00 | 0.00 | 278.79K |
BLACKLINE INCSOLE | COM | 252.24K | SH | $14.28M 2.90% | 0.00 | 0.00 | 252.24K |
EQUINIX INCSOLE | COM | 17.39K | SH | $13.83M 2.81% | 0.00 | 0.00 | 17.39K |
FRESHWORKS INCSOLE | CLASS A COM | 924.59K | SH | $13.79M 2.80% | 0.00 | 0.00 | 924.59K |
TREACE MED CONCEPTS INCSOLE | COM | 2.25M | SH | $13.23M 2.69% | 0.00 | 0.00 | 2.25M |
AMERESCO INCSOLE | CL A | 870.25K | SH | $13.22M 2.68% | 0.00 | 0.00 | 870.25K |
NAVIGATOR HLDGS LTDSOLE | COM | 871.01K | SH | $12.32M 2.50% | 0.00 | 0.00 | 871.01K |
BIOLIFE SOLUTIONS INCSOLE | COM NEW | 539.90K | SH | $11.63M 2.36% | 0.00 | 0.00 | 539.90K |
ASPEN AEROGELS INCSOLE | COM | 1.90M | SH | $11.24M 2.28% | 0.00 | 0.00 | 1.90M |
CARMAX INCSOLE | COM | 163.42K | SH | $10.98M 2.23% | 0.00 | 0.00 | 163.42K |
CARGURUS INCSOLE | COM CL A | 324.92K | SH | $10.88M 2.21% | 0.00 | 0.00 | 324.92K |
FIVE9 INCSOLE | COM | 407.45K | SH | $10.79M 2.19% | 0.00 | 0.00 | 407.45K |
PROFOUND MED CORPSOLE | COM | 1.75M | SH | $10.32M 2.10% | 0.00 | 0.00 | 1.75M |
GENERAC HLDGS INCSOLE | COM | 68.19K | SH | $9.77M 1.98% | 0.00 | 0.00 | 68.19K |
VERTEX INCSOLE | COM | 269.85K | SH | $9.54M 1.94% | 0.00 | 0.00 | 269.85K |
PACIRA BIOSCIENCES INCSOLE | COM | 368.35K | SH | $8.80M 1.79% | 0.00 | 0.00 | 368.35K |
CHIPOTLE MEXICAN GRILL INCSOLE | COM | 146.55K | SH | $8.23M 1.67% | 0.00 | 0.00 | 146.55K |
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