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Super Investors Gagnon Advisors, LLC
GA

Gagnon Advisors, LLC

Quarterly 13F snapshot: US-listed longs only, no performance figures — 13F data cannot support them.

Portfolio value
$157M
Positions
23
Quarter ended
June 30, 2026
Filed
August 05, 2026

Reported portfolio value by quarter (51 quarters reported)

$263M $107M
Q4 13 Q3 16 Q2 19 Q1 22 Q4 24 Q2 26

$173M in Q4 2013 → $157M now. Hover for any quarter.

Holdings

As reported for the quarter ended June 30, 2026. Activity is the change in share count since the prior quarter's filing.

Holding % of portfolio Activity Shares Value
Caredx Inc 9.9% Added 2.6% 546,893 $15.6M
Ameresco Inc 8.3% Unchanged 472,798 $13M
EP Enterprise Prods Partners L P 7.9% Unchanged 339,877 $12.5M
Genedx Holdings Corp 7.8% Added 20% 177,870 $12.2M
Equinix Inc 7.1% Unchanged 10,715 $11.2M
Hinge Health Inc 6.0% Added 40% 113,304 $9.4M
Pacira Biosciences Inc 5.7% Unchanged 352,637 $8.95M
Freshworks Inc 5.0% Unchanged 776,212 $7.86M
Biolife Solutions Inc 4.9% Unchanged 274,217 $7.74M
Five9 Inc 4.6% Unchanged 336,277 $7.17M
PM Profound Med Corp 4.1% Unchanged 962,186 $6.4M
NH Navigator Hldgs Ltd 3.9% New 328,488 $6.12M
TM Treace Med Concepts Inc 3.9% New 1,534,034 $6.11M
Orasure Technologies Inc 3.4% Unchanged 1,207,440 $5.39M
Amplitude Inc 3.1% Unchanged 634,987 $4.86M
DH Doubleverify Hldgs Inc 3.0% Unchanged 438,039 $4.75M
Quidelortho Corp 2.7% New 241,097 $4.22M
Vertex Inc 2.6% Added 22% 361,621 $4.15M
Blackline Inc 2.3% Unchanged 130,050 $3.65M
Marinemax Inc 2.3% Unchanged 97,242 $3.56M
Kaltura Inc 1.2% Unchanged 1,413,010 $1.84M
CH Cnfinance Hldgs Ltd 0.2% Added 34% 108,017 $299K
Beyond Meat Inc 0.2% New 388,880 $292K

Timeline of changes

What changed each quarter, from the filings' own share counts. Largest moves first; most recent 8 quarters.

Q2 2026

quarter ended June 30, 2026 · filed August 05, 2026

Company Action Shares changed Value of change % of portfolio
NH Navigator Hldgs Ltd Exited −539,881 −$10.4M —
IT Ishares Tr Exited −95,621 −$9.63M —
NH Navigator Hldgs Ltd New +328,488 +$6.12M 3.9%
TM Treace Med Concepts Inc New +1,534,034 +$6.11M 3.9%
Quidelortho Corp New +241,097 +$4.22M 2.7%
Hinge Health Inc Added +32,517 +$2.7M 6.0%
A& Alpha & Omega Semiconductor Lt Exited −120,196 −$2.66M —
Genedx Holdings Corp Added +29,645 +$2.04M 7.8%
Vertex Inc Added +64,571 +$741K 2.6%
Caredx Inc Added +14,001 +$399K 9.9%

Showing the 10 largest of 12 changes.

Q1 2026

quarter ended March 31, 2026 · filed April 22, 2026

Company Action Shares changed Value of change % of portfolio
AL Air Lease Corp Exited −196,479 −$12.6M —
IT Ishares Tr New +95,621 +$9.63M 7.1%
TM Treace Med Concepts Inc Exited −1,534,034 −$3.76M —
Hinge Health Inc New +80,787 +$3.12M 2.3%
Nvidia Corporation Exited −16,555 −$3.09M —
Marinemax Inc Trimmed −97,242 −$2.63M 1.9%
Pacira Biosciences Inc Added +91,729 +$2.07M 5.9%
Freshworks Inc Added +211,333 +$1.7M 4.6%
Genedx Holdings Corp Added +21,163 +$1.36M 7.0%
Amplitude Inc Added +177,775 +$1.21M 3.2%

Showing the 10 largest of 12 changes.

Q4 2025

quarter ended December 31, 2025 · filed February 13, 2026

Company Action Shares changed Value of change % of portfolio
Freshworks Inc Trimmed −564,879 −$6.92M 4.4%
Aspen Aerogels Inc Exited −565,570 −$3.94M —
Five9 Inc Added +168,891 +$3.39M 4.3%
DH Doubleverify Hldgs Inc Trimmed −187,731 −$2.15M 3.2%
TM Treace Med Concepts Inc Added +565,570 +$1.39M 2.4%
Pacira Biosciences Inc Added +47,506 +$1.23M 4.3%
Amplitude Inc Added +104,221 +$1.21M 3.4%
Marinemax Inc Added +42,639 +$1.03M 3.0%
PM Profound Med Corp Added +65,515 +$516K 4.8%
Caredx Inc Added +3,478 +$65.5K 6.4%

Q3 2025

quarter ended September 30, 2025 · filed November 03, 2025

Company Action Shares changed Value of change % of portfolio
PS Power Solutions Intl Inc Exited −180,405 −$11.7M —
Freshworks Inc Added +659,324 +$7.76M 8.2%
Exact Sciences Corp Exited −86,972 −$4.62M —
Marinemax Inc New +151,845 +$3.85M 2.4%
Amplitude Inc New +352,991 +$3.78M 2.3%
DH Doubleverify Hldgs Inc Added +312,885 +$3.75M 4.6%
Vertex Inc Added +70,666 +$1.75M 3.6%
Caredx Inc Added +75,251 +$1.09M 4.8%
CH Cnfinance Hldgs Ltd Exited −1,569,434 −$1.02M —
TM Treace Med Concepts Inc Added +138,194 +$927K 4.0%

Showing the 10 largest of 12 changes.

Q2 2025

quarter ended June 30, 2025 · filed July 23, 2025

Company Action Shares changed Value of change % of portfolio
PS Power Solutions Intl Inc Trimmed −143,079 −$9.25M 7.8%
Veren Inc Exited −890,693 −$5.9M —
E2open Parent Holdings Inc Exited −2,342,234 −$4.68M —
DH Doubleverify Hldgs Inc Added +245,180 +$3.67M 3.1%
Aspen Aerogels Inc New +565,570 +$3.35M 2.2%
Maxcyte Inc Exited −934,196 −$2.55M —
Equinix Inc Added +2,937 +$2.34M 5.7%
Ionq Inc Exited −105,589 −$2.33M —
Ncino Inc Exited −77,511 −$2.13M —
TM Treace Med Concepts Inc Added +340,379 +$2M 3.3%

Showing the 10 largest of 14 changes.

Q1 2025

quarter ended March 31, 2025 · filed May 12, 2025

Company Action Shares changed Value of change % of portfolio
Genedx Holdings Corp Trimmed −60,556 −$5.36M 7.9%
PS Power Solutions Intl Inc Trimmed −146,681 −$3.71M 5.8%
Orasure Technologies Inc New +797,277 +$2.69M 1.9%
Maxcyte Inc New +934,196 +$2.55M 1.8%
Ameresco Inc Added +200,104 +$2.42M 4.0%
E2open Parent Holdings Inc Added +1,171,117 +$2.34M 3.3%
Vertex Inc Added +46,219 +$1.62M 4.0%
Blackline Inc Added +26,358 +$1.28M 4.4%
Equinix Inc Added +1,178 +$960K 4.5%

Q4 2024

quarter ended December 31, 2024 · filed January 24, 2025

Company Action Shares changed Value of change % of portfolio
PS Power Solutions Intl Inc Trimmed −287,579 −$8.56M 9.0%
Secureworks Corp Exited −744,444 −$6.59M —
Genedx Holdings Corp Trimmed −67,441 −$5.18M 9.2%
Zuora Inc Exited −514,247 −$4.43M —
Ncino Inc New +77,511 +$2.6M 1.7%
Ionq Inc Trimmed −52,786 −$2.2M 2.8%
Ameresco Inc Added +66,746 +$1.57M 4.1%
Veren Inc Added +267,580 +$1.38M 2.9%
DH Doubleverify Hldgs Inc Trimmed −67,705 −$1.3M 0.8%
PM Profound Med Corp Added +149,445 +$1.12M 4.3%

Showing the 10 largest of 12 changes.

Q3 2024

quarter ended September 30, 2024 · filed November 12, 2024

Company Action Shares changed Value of change % of portfolio
Caredx Inc Trimmed −197,461 −$6.17M 8.3%
TM Treace Med Concepts Inc New +489,891 +$2.84M 1.8%
A& Alpha & Omega Semiconductor Trimmed −69,161 −$2.57M 2.9%
Nvidia Corporation New +16,555 +$2.01M 1.3%
Freshworks Inc Added +129,483 +$1.49M 3.5%
Exact Sciences Corp Trimmed −18,158 −$1.24M 3.8%
Five9 Inc Added +41,846 +$1.2M 3.1%
Standard Biotools Inc Exited −672,294 −$1.19M —
Veren Inc Added +149,168 +$917K 2.5%
Ameresco Inc Added +12,623 +$479K 5.0%

Showing the 10 largest of 11 changes.

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