Odyssean, LLC — 13F Holdings & Portfolio
CIK 2092853 · latest 13F-HR filed 2026-08-14
Odyssean, LLC manages $614.9M in 13F-reported U.S. long-equity assets across 485 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are RARE (0.66%), KYMR (0.64%), IDYA (0.62%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 166 new positions, exited 99, added to 280, and trimmed 27.
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
DARIEN, CT 06820
$614.9M
Long-equity book
485
Distinct positions
2026-06-30
Filed 2026-08-14
+166 / −99 / ↑280 / ↓27
vs 2026-03-31
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- IDEAYA BIOSCIENCES INC$3.3M +651.2%
- AFFIRM HLDGS INC$2.7M +325.5%
- KYMERA THERAPEUTICS INC$2.7M +220.3%
- ULTRAGENYX PHARMACEUTICAL IN$2.7M +188.6%
- RADNET INC$2.6M +427.3%
Top Trims
- AMAZON COM INC-$867.4K -60.9%
- SUPERNUS PHARMACEUTICALS-$740.7K -51.9%
- LYONDELLBASELL INDUSTRIES NV-$695.6K -39.3%
- MICROSOFT CORP-$654.7K -48.5%
- UBIQUITI INC-$552.5K -36.2%
New Positions
- CELLDEX THERAPEUTICS INC NEW$3.5M
- DOORDASH INC$3.5M
- MEDPACE HLDGS INC$3.4M
- NU HLDGS LTD$3.3M
- DENALI THERAPEUTICS INC$3.2M
Exited Positions
- REGENERON PHARMACEUTICALS$1.5M
- AIR LEASE CORP$1.5M
- TRI POINTE HOMES INC$1.5M
- MASIMO CORP$1.4M
- ANNALY CAPITAL MANAGEMENT IN$1.4M
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | ULTRAGENYX PHARMACEUTICAL IN | RARE | 90400D108 | $4.1M | 0.66% | 122,087 | SH |
| 2 | KYMERA THERAPEUTICS INC | KYMR | 501575104 | $4.0M | 0.64% | 34,485 | SH |
| 3 | IDEAYA BIOSCIENCES INC | IDYA | 45166A102 | $3.8M | 0.62% | 102,582 | SH |
| 4 | VAXCYTE INC | PCVX | 92243G108 | $3.6M | 0.59% | 62,638 | SH |
| 5 | AFFIRM HLDGS INC | AFRM | 00827B106 | $3.6M | 0.58% | 43,968 | SH |
| 6 | CELLDEX THERAPEUTICS INC NEW | CLDX | 15117B202 | $3.5M | 0.58% | 95,069 | SH |
| 7 | LOAR HOLDINGS INC | LOAR | 53947R105 | $3.5M | 0.57% | 43,660 | SH |
| 8 | MIRUM PHARMACEUTICALS INC | MIRM | 604749101 | $3.5M | 0.57% | 29,924 | SH |
| 9 | DOORDASH INC | DASH | 25809K105 | $3.5M | 0.57% | 18,915 | SH |
| 10 | KRYSTAL BIOTECH INC | KRYS | 501147102 | $3.5M | 0.57% | 9,349 | SH |
| 11 | VIKING HOLDINGS LTD | VIK | G93A5A101 | $3.4M | 0.55% | 32,226 | SH |
| 12 | MEDPACE HLDGS INC | MEDP | 58506Q109 | $3.4M | 0.55% | 6,361 | SH |
| 13 | TOAST INC | TOST | 888787108 | $3.3M | 0.54% | 119,775 | SH |
| 14 | AMERICAN HEALTHCARE REIT INC | AHR | 398182303 | $3.3M | 0.54% | 63,508 | SH |
| 15 | NICOLET BANKSHARES INC | NIC | 65406E102 | $3.3M | 0.54% | 20,012 | SH |
| 16 | VEEVA SYS INC | VEEV | 922475108 | $3.3M | 0.54% | 18,634 | SH |
| 17 | GREEN BRICK PARTNERS INC | GRBK | 392709101 | $3.3M | 0.54% | 41,180 | SH |
| 18 | ESSENT GROUP LTD | ESNT | G3198U102 | $3.3M | 0.53% | 50,922 | SH |
| 19 | MADISON SQUARE GARDEN ENTMT | MSGE | 558256103 | $3.3M | 0.53% | 40,452 | SH |
| 20 | INTERPARFUMS INC | IPAR | 458334109 | $3.3M | 0.53% | 29,208 | SH |
| 21 | EURONET WORLDWIDE INC | EEFT | 298736109 | $3.3M | 0.53% | 44,597 | SH |
| 22 | NU HLDGS LTD | NU | G6683N103 | $3.3M | 0.53% | 243,873 | SH |
| 23 | BLOCK INC | XYZ | 852234103 | $3.2M | 0.53% | 42,762 | SH |
| 24 | HCI GROUP INC | HCI | 40416E103 | $3.2M | 0.53% | 18,528 | SH |
| 25 | DELL TECHNOLOGIES INC | DELL | 24703L202 | $3.2M | 0.53% | 7,515 | SH |
| 26 | KODIAK GAS SVCS INC | KGS | 50012A108 | $3.2M | 0.53% | 43,034 | SH |
| 27 | RADNET INC | RDNT | 750491102 | $3.2M | 0.53% | 52,421 | SH |
| 28 | PEOPLE INC | PPLI | 44891N208 | $3.2M | 0.52% | 69,719 | SH |
| 29 | DENALI THERAPEUTICS INC | DNLI | 24823R105 | $3.2M | 0.52% | 125,062 | SH |
| 30 | AIRBNB INC | ABNB | 009066101 | $3.2M | 0.52% | 22,474 | SH |
| 31 | AMNEAL PHARMACEUTICALS INC | AMRX | 03168L105 | $3.2M | 0.52% | 183,507 | SH |
| 32 | CRINETICS PHARMACEUTICALS IN | CRNX | 22663K107 | $3.2M | 0.51% | 84,456 | SH |
| 33 | YELP INC | YELP | 985817105 | $3.2M | 0.51% | 128,693 | SH |
| 34 | KINSALE CAP GROUP INC | KNSL | 49714P108 | $3.1M | 0.51% | 9,547 | SH |
| 35 | CHEFS WHSE INC | CHEF | 163086101 | $3.1M | 0.51% | 32,758 | SH |
| 36 | AMERICAN ELEC PWR CO INC | AEP | 025537101 | $3.1M | 0.51% | 23,004 | SH |
| 37 | CHEESECAKE FACTORY INC | CAKE | 163072101 | $3.1M | 0.51% | 39,490 | SH |
| 38 | SERVISFIRST BANCSHARES INC | SFBS | 81768T108 | $3.1M | 0.51% | 36,082 | SH |
| 39 | NETSCOUT SYS INC | NTCT | 64115T104 | $3.1M | 0.51% | 71,772 | SH |
| 40 | BOX INC | BOX | 10316T104 | $3.1M | 0.51% | 117,086 | SH |
| 41 | MADISON SQUARE GRDN SPRT COR | MSGS | 55825T103 | $3.1M | 0.51% | 7,728 | SH |
| 42 | AMERICAN WTR WKS CO INC NEW | AWK | 030420103 | $3.1M | 0.50% | 23,536 | SH |
| 43 | ARBOR REALTY TRUST INC | ABR | 038923108 | $3.1M | 0.50% | 570,598 | SH |
| 44 | TESLA INC | TSLA | 88160R101 | $3.1M | 0.50% | 7,314 | SH |
| 45 | AVEPOINT INC | AVPT | 053604104 | $3.1M | 0.50% | 273,488 | SH |
| 46 | BRIDGEBIO PHARMA INC | BBIO | 10806X102 | $3.1M | 0.50% | 41,015 | SH |
| 47 | VORNADO RLTY TR | VNO | 929042109 | $3.1M | 0.50% | 77,680 | SH |
| 48 | NEXSTAR MEDIA GROUP INC | NXST | 65336K103 | $3.0M | 0.49% | 17,036 | SH |
| 49 | VISA INC | V | 92826C839 | $3.0M | 0.49% | 8,866 | SH |
| 50 | BERKSHIRE HATHAWAY INC DEL | BRK.B | 084670702 | $3.0M | 0.49% | 6,076 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-06-30 | 2026-08-14 | $614.9M | 485 | 0002092853-26-000004 |
| 2026-03-31 | 2026-05-15 | $273.9M | 418 | 0002092853-26-000003 |
| 2025-12-31 | 2026-02-17 | $139.2M | 254 | 0002092853-26-000002 |