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Gagnon Advisors 13F Portfolio

Portfolio Manager
Gagnon Advisors, LLC
Performance
+19.56% (2026 Q2)
AUM (13F)
$157.26M
# of Holdings
23
Performance Rank
Allocation (Top 20)
95.72%
Latest filing
Q2 2026

Gagnon Advisors, LLC Holdings Map

Top 22 Gagnon Advisors, LLC Holdings

Top 10 holdings

StockCompany% Port.SharesValueActivityOwnershipAvg. CostDate
CDNA
CAREDX INC
9.91%546.9K$15.6M
+2.63%(+14.00K)
2025-Q2: 454.2K shares2025-Q3: 529.4K shares2025-Q4: 532.9K shares2026-Q1: 532.9K shares2026-Q2: 546.9K shares
$15.16(+206.78%)
2026-06-30
AMRC
AMERESCO INC
8.3%472.8K$13.0M
+0.00%(+0)
2025-Q2: 472.8K shares2025-Q3: 472.8K shares2025-Q4: 472.8K shares2026-Q1: 472.8K shares2026-Q2: 472.8K shares
$19.08(+46.19%)
2026-06-30
EPD
ENTERPRISE PRODS PARTNERS L P
7.94%339.9K$12.5M
+0.00%(+0)
2025-Q2: 339.9K shares2025-Q3: 339.9K shares2025-Q4: 339.9K shares2026-Q1: 339.9K shares2026-Q2: 339.9K shares
$25.70(+51.35%)
2026-06-30
WGS
GENEDX HOLDINGS CORP
7.76%177.9K$12.2M
+20.00%(+29.64K)
2025-Q2: 127.1K shares2025-Q3: 127.1K shares2025-Q4: 127.1K shares2026-Q1: 148.2K shares2026-Q2: 177.9K shares
$42.31(+84.55%)
2026-06-30
EQIX
EQUINIX INC
7.1%10.7K$11.2M
+0.00%(+0)
2025-Q2: 10.7K shares2025-Q3: 10.7K shares2025-Q4: 10.7K shares2026-Q1: 10.7K shares2026-Q2: 10.7K shares
$500.94(+118.46%)
2026-06-30
HNGE
HINGE HEALTH INC
5.98%113.3K$9.4M
+40.25%(+32.52K)
2025-Q2: 0 shares2025-Q3: 0 shares2025-Q4: 0 shares2026-Q1: 80.8K shares2026-Q2: 113.3K shares
$47.49(+86.32%)
2026-06-30
PCRX
PACIRA BIOSCIENCES INC
5.69%352.6K$8.9M
+0.00%(+0)
2025-Q2: 213.4K shares2025-Q3: 213.4K shares2025-Q4: 260.9K shares2026-Q1: 352.6K shares2026-Q2: 352.6K shares
$32.47(-29.17%)
2026-06-30
FRSH
FRESHWORKS INC
5%776.2K$7.9M
+0.00%(+0)
2025-Q2: 470.4K shares2025-Q3: 1.13M shares2025-Q4: 564.9K shares2026-Q1: 776.2K shares2026-Q2: 776.2K shares
$14.98(-15.50%)
2026-06-30
BLFS
BIOLIFE SOLUTIONS INC
4.92%274.2K$7.7M
+0.00%(+0)
2025-Q2: 274.2K shares2025-Q3: 274.2K shares2025-Q4: 274.2K shares2026-Q1: 274.2K shares2026-Q2: 274.2K shares
$21.68(+61.76%)
2026-06-30
FIVN
FIVE9 INC
4.56%336.3K$7.2M
+0.00%(+0)
2025-Q2: 167.4K shares2025-Q3: 167.4K shares2025-Q4: 336.3K shares2026-Q1: 336.3K shares2026-Q2: 336.3K shares
$34.90(-5.44%)
2026-06-30

About Gagnon Advisors, LLCโ€™s portfolio

Gagnon Advisors, LLC reports $157.26M in US-listed equity holdings across 23 positions in its most recent 13F filing. Its largest disclosed positions are CDNA (9.9%), AMRC (8.3%) and EPD (7.9%). The top 20 holdings account for 95.72% of reported assets. Its disclosed equity book has returned +42.53% on a three-year cumulative basis. Figures reflect the Q2 2026 filing.

Portfolio concentration

Portfolio concentration
CDNA โ€” 10.3% ($15.59M)AMRC โ€” 8.6% ($13.05M)EPD โ€” 8.3% ($12.49M)WGS โ€” 8.1% ($12.21M)EQIX โ€” 7.4% ($11.17M)HNGE โ€” 6.2% ($9.40M)PCRX โ€” 5.9% ($8.95M)FRSH โ€” 5.2% ($7.86M)BLFS โ€” 5.1% ($7.74M)FIVN โ€” 4.7% ($7.17M)Other โ€” 30.1% ($45.51M)
70%in top 10
  • CDNA10.3%
  • AMRC8.6%
  • EPD8.3%
  • WGS8.1%
  • EQIX7.4%
  • HNGE6.2%
  • PCRX5.9%
  • FRSH5.2%
  • BLFS5.1%
  • FIVN4.7%
  • Other30.1%

Portfolio changes

What the fund actually did

Every reported change this quarter, grouped by direction. The signal is in the rotation, not any single trade.

New buys
3
TMCITREACE MED CONCEPTS INC3.9%
QDELQUIDELORTHO CORP2.7%
BYNDBEYOND MEAT INC0.2%
Added to
5
HNGEHINGE HEALTH INC+40.3%
WGSGENEDX HOLDINGS CORP+20.0%
VERXVERTEX INC+21.7%
CDNACAREDX INC+2.6%
+1 more

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Source filings

Holdings on this page are parsed from Gagnon Advisors, LLCโ€™s Form 13F filings with the U.S. Securities and Exchange Commission (CIK 1599466). View Gagnon Advisors, LLCโ€™s 13F filings on SEC

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