§ 13F · FUND PROFILE
GAGNON SECURITIES LLC.
Institutional filer · behavioral pattern: Dealer / Bank. Summary pending.
AUM · $492.4T (13F)Positions · 87Turnover · — · Q4Filed · Feb 13, 2026
CONCENTRATION
—
Top 10 holdings
NEW BUYS
0
+$447.2B deployed
EXITS
0
No exits
SECTOR SHIFT
—
No prior quarter data
3YR HIT RATE
—
Top-5 overlap
§ 01 · TOP HOLDINGS
The book · Q4 2025
FILED FEB 13, 2026
| # | Ticker | Name | Shares | $ value | % port | Δ Q4 |
|---|---|---|---|---|---|---|
| 1 | CDNA | CAREDX INC | 1.77M | $33.4T | 6.8% | +3% |
| 2 | WGS | GENEDX HOLDINGS CORP | 254K | $33.0T | 6.7% | −6% |
| 3 | AL | AIR LEASE CORP | 497K | $31.9T | 6.5% | −18% |
| 4 | ENSG | ENSIGN GROUP INC | 181K | $31.5T | 6.4% | −1% |
| 5 | AMRC | AMERESCO INC | 833K | $24.4T | 5.0% | −3% |
| 6 | ISRG | INTUITIVE SURGICAL INC | 32K | $18.0T | 3.7% | −27% |
| 7 | EXK | EXACT SCIENCES CORP | 167K | $17.0T | 3.5% | −7% |
| 8 | EPD | ENTERPRISE PRODS PARTNERS L P | 528K | $16.9T | 3.4% | ±0% |
| 9 | BL | BLACKLINE INC | 279K | $15.4T | 3.1% | ±0% |
| 10 | PROF | PROFOUND MED CORP | 1.94M | $15.3T | 3.1% | +12% |
§ 02 · SECTOR ALLOCATION
Where the money is
Sector data pending
§ 03 · THE GAGNON SIGNAL
AC read
GAGNON SECURITIES LLC is a Dealer / Bank fund managing $492357.6 trillion in assets. The fund runs a portfolio of 87 positions.
Read the full dossier →§ 04 · FILING HISTORY
Q-by-Q deltas
1 FILINGS
Q4 2025
Steady book
+0 buys · −0 exits · 0 changed
Q3 2025
Steady book
+0 buys · −0 exits · 0 changed
Q2 2025
Steady book
+0 buys · −0 exits · 0 changed
Q1 2025
Steady book
+0 buys · −0 exits · 0 changed