THAMES CAPITAL MANAGEMENT LLC — 13F Holdings & Portfolio
CIK 1714267 · latest 13F-HR filed 2026-08-12
THAMES CAPITAL MANAGEMENT LLC manages $1.22B in 13F-reported U.S. long-equity assets across 56 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are STT (4.71%), GE (4.50%), MU (4.31%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 24 new positions, exited 11, added to 23, and trimmed 4.
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.
3RD FLOOR
ROSELAND, NJ 07068
$1.22B
Long-equity book
56
Distinct positions
2026-06-30
Filed 2026-08-12
+24 / −11 / ↑23 / ↓4
vs 2026-03-31
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- STATE STR CORP$40.0M +231.8%
- GE AEROSPACE$37.1M +210.6%
- MICRON TECHNOLOGY INC$35.4M +208.8%
- HUT 8 CORP$20.7M +103.7%
- MKS INC.$19.8M +127.1%
Top Trims
- COMFORT SYS USA INC-$4.9M -35.2%
- ARGAN INC-$4.3M -21.5%
- FABRINET-$3.4M -18.6%
- LUMENTUM HLDGS INC-$1.5M -17.1%
New Positions
- ADVANCED MICRO DEVICES INC$38.9M
- NEBIUS GROUP N.V.$36.7M
- NOKIA CORP$33.9M
- RIOT PLATFORMS INC$32.9M
- INTEL CORP$31.2M
Exited Positions
- ONDAS INC$14.6M
- PRIMORIS SVCS CORP$14.3M
- ROCKET COS INC$13.3M
- DIGITALOCEAN HLDGS INC$12.5M
- DIREXION SHARES ETF TRUST$10.9M
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 | STATE STR CORP | STT | 857477103 | $57.2M | 4.71% | 337,558 | SH |
| 2 | GE AEROSPACE | GE | 369604301 | $54.7M | 4.50% | 146,383 | SH |
| 3 | MICRON TECHNOLOGY INC | MU | 595112103 | $52.4M | 4.31% | 45,388 | SH |
| 4 | GE VERNOVA INC | GEV | 36828A101 | $50.9M | 4.19% | 43,318 | SH |
| 5 | VERTIV HOLDINGS CO | VRT | 92537N108 | $40.9M | 3.37% | 122,240 | SH |
| 6 | HUT 8 CORP | HUT | 44812J104 | $40.6M | 3.34% | 351,973 | SH |
| 7 | ADVANCED MICRO DEVICES INC | AMD | 007903107 | $38.9M | 3.20% | 66,972 | SH |
| 8 | TAIWAN SEMICONDUCTOR MANUFAC | TSM | 874039100 | $36.8M | 3.02% | 77,008 | SH |
| 9 | NEBIUS GROUP N.V. | NBIS | N97284108 | $36.7M | 3.02% | 132,768 | SH |
| 10 | MKS INC. | MKSI | 55306N104 | $35.3M | 2.90% | 79,395 | SH |
| 11 | NOKIA CORP | NOK | 654902204 | $33.9M | 2.79% | 2,550,584 | SH |
| 12 | SANDISK CORP | SNDK | 80004C200 | $33.7M | 2.77% | 14,808 | SH |
| 13 | RIOT PLATFORMS INC | RIOT | 767292105 | $32.9M | 2.71% | 1,201,609 | SH |
| 14 | INTEL CORP | INTC | 458140100 | $31.2M | 2.57% | 223,725 | SH |
| 15 | KLA CORP | KLAC | 482480100 | $28.6M | 2.35% | 94,720 | SH |
| 16 | ASTERA LABS INC | ALAB | 04626A103 | $27.9M | 2.29% | 57,733 | SH |
| 17 | TERAWULF INC | WULF | 88080T104 | $26.9M | 2.21% | 1,090,203 | SH |
| 18 | NORTHERN TR CORP | NTRS | 665859104 | $26.2M | 2.15% | 150,619 | SH |
| 19 | ADVANCED ENERGY INDS | AEIS | 007973100 | $26.2M | 2.15% | 70,220 | SH |
| 20 | AMPHENOL CORP | APH | 032095101 | $25.1M | 2.06% | 142,139 | SH |
| 21 | FLEX LTD | FLEX | Y2573F102 | $24.2M | 1.99% | 149,474 | SH |
| 22 | NVIDIA CORPORATION | NVDA | 67066G104 | $23.2M | 1.91% | 116,169 | SH |
| 23 | BROADCOM INC | AVGO | 11135F101 | $22.8M | 1.88% | 60,391 | SH |
| 24 | FORGENT POWER SOLUTIONS INC | FPS | 34631F102 | $22.3M | 1.83% | 398,912 | SH |
| 25 | CITIGROUP INC | C | 172967424 | $21.4M | 1.76% | 153,039 | SH |
| 26 | KEEL INFRASTRUCTURE CORP | KEEL | 486917107 | $20.8M | 1.71% | 3,622,886 | SH |
| 27 | APPLIED MATLS INC | AMAT | 038222105 | $20.3M | 1.67% | 28,138 | SH |
| 28 | COHERENT CORP | COHR | 19247G107 | $18.1M | 1.49% | 45,883 | SH |
| 29 | APPLE INC | AAPL | 037833100 | $17.9M | 1.47% | 61,806 | SH |
| 30 | MASTERCARD INCORPORATED | MA | 57636Q104 | $17.8M | 1.46% | 34,663 | SH |
| 31 | SILICON MOTION TECHNOLOGY CO | SIMO | 82706C108 | $17.6M | 1.45% | 52,823 | SH |
| 32 | VARONIS SYS INC | VRNS | 922280102 | $16.0M | 1.32% | 381,281 | SH |
| 33 | VISA INC | V | 92826C839 | $15.7M | 1.29% | 45,662 | SH |
| 34 | ARGAN INC | AGX | 04010E109 | $15.6M | 1.28% | 19,514 | SH |
| 35 | AMKOR TECHNOLOGY INC | AMKR | 031652100 | $15.3M | 1.26% | 177,301 | SH |
| 36 | FABRINET | FN | G3323L100 | $14.7M | 1.21% | 26,114 | SH |
| 37 | CIPHER DIGITAL INC | CIFR | 17253J106 | $14.6M | 1.20% | 595,538 | SH |
| 38 | ARTERIS INC | AIP | 04302A104 | $14.3M | 1.17% | 293,973 | SH |
| 39 | PENGUIN SOLUTIONS INC | PENG | 706915105 | $14.1M | 1.16% | 185,128 | SH |
| 40 | META PLATFORMS INC | META | 30303M102 | $14.0M | 1.15% | 24,794 | SH |
| 41 | BROOKDALE SR LIVING INC | BKD | 112463104 | $12.2M | 1.00% | 757,710 | SH |
| 42 | JABIL INC | JBL | 466313103 | $12.1M | 1.00% | 31,457 | SH |
| 43 | APPLIED DIGITAL CORP | APLD | 038169207 | $10.7M | 0.88% | 288,167 | SH |
| 44 | LAM RESEARCH CORP | LRCX | 512807306 | $9.7M | 0.80% | 22,365 | SH |
| 45 | COMFORT SYS USA INC | FIX | 199908104 | $9.0M | 0.74% | 4,561 | SH |
| 46 | STERLING INFRASTRUCTURE INC | STRL | 859241101 | $7.6M | 0.62% | 9,002 | SH |
| 47 | CELESTICA INC | CLS | 15101Q207 | $7.2M | 0.59% | 19,655 | SH |
| 48 | LUMENTUM HLDGS INC | LITE | 55024U109 | $7.1M | 0.59% | 8,324 | SH |
| 49 | MACOM TECH SOLUTIONS HLDGS I | MTSI | 55405Y100 | $6.8M | 0.56% | 17,960 | SH |
| 50 | AMAZON COM INC | AMZN | 023135106 | $6.7M | 0.55% | 28,290 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-06-30 | 2026-08-12 | $1.22B | 56 | 0001714267-26-000003 |
| 2026-03-31 | 2026-05-12 | $557.9M | 43 | 0001714267-26-000002 |
| 2025-12-31 | 2026-02-10 | $687.8M | 48 | 0001714267-26-000001 |
| 2025-09-30 | 2025-10-28 | $700.8M | 58 | 0001714267-25-000009 |
| 2022-03-31 | 2022-05-11 | $474.1K | 44 | 0001714267-22-000005 |