TENOR CAPITAL MANAGEMENT Co., L.P. — 13F Holdings & Portfolio
CIK 1346554 · latest 13F-HR filed 2026-08-14
TENOR CAPITAL MANAGEMENT Co., L.P. manages $7.09B in 13F-reported U.S. long-equity assets across 549 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are ON (4.53%), TDOC (2.56%), IONS (2.08%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 104 new positions, exited 56, added to 169, and trimmed 85.
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.
SUITE 1905
NEW YORK, NY 10019
$7.09B
Long-equity book
549
Distinct positions
2026-06-30
Filed 2026-08-14
+104 / −56 / ↑169 / ↓85
vs 2026-03-31
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- ON SEMICONDUCTOR CORP$249.3M +344.9%
- IONIS PHARMACEUTICALS INC$114.8M +348.5%
- ALIGNMENT HEALTHCARE INC$64.0M +359.8%
- LIVE NATION ENTERTAINMENT IN$53.7M +59.5%
- TRAVERE THERAPEUTICS INC$52.2M +129.0%
Top Trims
- NEOGENOMICS INC-$81.2M -81.7%
- DIGITALOCEAN HLDGS INC-$42.1M -65.0%
- MIRUM PHARMACEUTICALS INC-$40.0M -30.4%
- AKAMAI TECHNOLOGIES INC-$28.5M -30.3%
- RAPID7 INC-$27.2M -28.7%
New Positions
- ZSCALER INC.$110.0M
- CLOUDFLARE INC$70.0M
- CHECK POINT SOFTWARE TECH LTD$69.9M
- RUBRIK INC.$66.4M
- GRAB HOLDINGS LTD$56.2M
Exited Positions
- LUMENTUM HLDGS INC$390.1M
- CONMED CORP$122.4M
- VENTAS RLTY LTD PARTNERSHIP$113.8M
- JBT MAREL CORPORATION$100.1M
- JAZZ INVESTMENTS I LTD$94.9M
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 | ON SEMICONDUCTOR CORP | ON | 682189AS4 | $321.6M | 4.53% | 176,537,000 | PRN |
| 2 | TELADOC HEALTH INC | TDOC | 87918AAF2 | $181.3M | 2.56% | 186,000,000 | PRN |
| 3 | IONIS PHARMACEUTICALS INC | IONS | 462222AF7 | $147.8M | 2.08% | 94,682,000 | PRN |
| 4 | LIVE NATION ENTERTAINMENT IN | LIVE | 538034BA6 | $143.9M | 2.03% | 80,000,000 | PRN |
| 5 | UNITY SOFTWARE INC | U | 91332UAB7 | $133.2M | 1.88% | 135,378,000 | PRN |
| 6 | SHAKE SHACK INC | SHAK | 819047AB7 | $115.3M | 1.63% | 122,919,000 | PRN |
| 7 | AKAMAI TECHNOLOGIES INC | AKAM | 00971TAL5 | $111.2M | 1.57% | 92,500,000 | PRN |
| 8 | ZSCALER INC. | ZS | 98980GAC6 | $110.0M | 1.55% | 119,000,000 | PRN |
| 9 | BIOMARIN PHARMACEUTICAL INC | BMRN | 09061GAK7 | $108.9M | 1.53% | 111,500,000 | PRN |
| 10 | NUTANIX INC | NTNX | 67059NAK4 | $100.9M | 1.42% | 102,164,000 | PRN |
| 11 | IRHYTHM HOLDINGS INC | IRTC | 450056AB2 | $97.1M | 1.37% | 87,500,000 | PRN |
| 12 | TRAVERE THERAPEUTICS INC | TVTX | 89422GAA5 | $92.6M | 1.31% | 49,733,000 | PRN |
| 13 | GREENBRIER COS INC | GBX | 393657AM3 | $92.2M | 1.30% | 80,000,000 | PRN |
| 14 | MIRUM PHARMACEUTICALS INC | MIRM | 604749AB7 | $91.7M | 1.29% | 24,653,000 | PRN |
| 15 | COLLEGIUM PHARMACEUTICAL INC | COLL | 19459JAC8 | $85.8M | 1.21% | 68,807,000 | PRN |
| 16 | SNOWFLAKE INC | SNOW | 833445AB5 | $83.3M | 1.17% | 50,000,000 | PRN |
| 17 | ALIGNMENT HEALTHCARE INC | ALHC | 01625VAB0 | $81.8M | 1.15% | 47,500,000 | PRN |
| 18 | STRIDE INC | LRN | 86333MAA6 | $76.2M | 1.07% | 45,000,000 | PRN |
| 19 | UGI CORP NEW | UGI | 902681AB1 | $75.9M | 1.07% | 56,416,000 | PRN |
| 20 | LANTHEUS HLDGS INC | LNTH | 516544AB9 | $75.9M | 1.07% | 51,835,000 | PRN |
| 21 | UPWORK INC | UPWK | 91688FAB0 | $74.8M | 1.05% | 75,000,000 | PRN |
| 22 | ETSY INC | ETSY | 29786AAL0 | $70.8M | 1.00% | 74,639,000 | PRN |
| 23 | CLOUDFLARE INC | PSAPF | 18915MAF4 | $70.0M | 0.99% | 55,165,000 | PRN |
| 24 | BENTLEY SYS INC | BSY | 08265TAD1 | $70.0M | 0.99% | 72,595,000 | PRN |
| 25 | CHECK POINT SOFTWARE TECH LTD | CHKP | 162775AA8 | $69.9M | 0.99% | 75,000,000 | PRN |
| 26 | RAPID7 INC | RPD | 753422AF1 | $67.8M | 0.96% | 70,000,000 | PRN |
| 27 | RUBRIK INC. | RBRK | 781154AD1 | $66.4M | 0.94% | 65,000,000 | PRN |
| 28 | MKS INC. | MKSI | 55306NAB0 | $66.3M | 0.93% | 22,500,000 | PRN |
| 29 | AKAMAI TECHNOLOGIES INC | AKAM | 00971TAN1 | $65.8M | 0.93% | 55,000,000 | PRN |
| 30 | SNAP INC | SNAP | 83304AAK2 | $65.5M | 0.92% | 80,000,000 | PRN |
| 31 | TRANSMEDICS GROUP INC | TMDX | 89377MAB5 | $64.8M | 0.91% | 59,560,000 | PRN |
| 32 | UNITY SOFTWARE INC | U | 91332UAH4 | $56.7M | 0.80% | 50,000,000 | PRN |
| 33 | GRAB HOLDINGS LTD | GRAB | G4124CAA7 | $56.2M | 0.79% | 57,500,000 | PRN |
| 34 | HALOZYME THERAPEUTICS INC | T | 40637HAF6 | $55.6M | 0.78% | 37,827,000 | PRN |
| 35 | GAMESTOP CORP | GME | 36467WAE9 | $53.7M | 0.76% | 52,500,000 | PRN |
| 36 | LCI INDS | LCII | 501812AD3 | $53.1M | 0.75% | 46,869,000 | PRN |
| 37 | SNAP INC | SNAP | 83304AAH9 | $51.5M | 0.73% | 55,678,000 | PRN |
| 38 | SOUTHERN CO | SO | 842587ED5 | $50.7M | 0.71% | 50,000,000 | PRN |
| 39 | CHEESECAKE FACTORY INC | CAKE | 163072AC5 | $48.0M | 0.68% | 37,500,000 | PRN |
| 40 | MICROCHIP TECHNOLOGY INC. | MCHP | 595017BG8 | $47.4M | 0.67% | 43,000,000 | PRN |
| 41 | CHEFS WHSE INC | CHEF | 163086AE1 | $47.0M | 0.66% | 21,000,000 | PRN |
| 42 | DEXCOM INC | DXCM | 252131AM9 | $46.7M | 0.66% | 50,000,000 | PRN |
| 43 | ETSY INC | ETSY | 29786AAQ9 | $46.5M | 0.65% | 40,000,000 | PRN |
| 44 | JAZZ INVESTMENTS I LTD | JAZZ | 472145AH4 | $46.4M | 0.65% | 27,000,000 | PRN |
| 45 | ETSY INC | ETSY | 29786AAN6 | $45.7M | 0.64% | 50,000,000 | PRN |
| 46 | ZIFF DAVIS INC | ZD | 48123VAH5 | $45.6M | 0.64% | 45,000,000 | PRN |
| 47 | ALPHABET INC | GOOGM | 02079K404 | $45.4M | 0.64% | 900,000 | SH |
| 48 | ALPHABET INC | GOOGN | 02079K602 | $45.1M | 0.64% | 900,000 | SH |
| 49 | PEBBLEBROOK HOTEL TR | PEB | 70509VAA8 | $44.5M | 0.63% | 44,734,000 | PRN |
| 50 | SNOWFLAKE INC | SNOW | 833445AD1 | $44.3M | 0.62% | 25,000,000 | PRN |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-06-30 | 2026-08-14 | $7.09B | 549 | 0001346554-26-000076 |
| 2026-03-31 | 2026-05-15 | $6.49B | 501 | 0001346554-26-000035 |
| 2025-12-31 | 2026-02-17 | $7.10B | 438 | 0001346554-26-000024 |
| 2025-09-30 | 2025-11-14 | $7.61B | 398 | 0001346554-25-000091 |