TANDEM CAPITAL MANAGEMENT CORP /ADV — 13F Holdings & Portfolio
CIK 873759 · latest 13F-HR filed 2026-08-11
TANDEM CAPITAL MANAGEMENT CORP /ADV manages $237.8M in 13F-reported U.S. long-equity assets across 118 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are GE (5.11%), GOOGL (4.75%), AMAT (4.74%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 11 new positions, exited 3, added to 67, and trimmed 16.
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.
$237.8M
Long-equity book
118
Distinct positions
2026-06-30
Filed 2026-08-11
+11 / −3 / ↑67 / ↓16
vs 2026-03-31
Portfolio charts
Latest quarter's book, what changed, and how the portfolio has evolved across filings.
| Name | Title / Status | Ownership | Type |
|---|
Quarter-over-quarter changes
Share-count changes vs the prior 13F.
Top Adds (vs prior quarter)
- APPLIED MATLS INC$5.7M +102.7%
- MARVELL TECHNOLOGY INC$5.5M +153.7%
- GE AEROSPACE$2.8M +30.6%
- GE VERNOVA INC$2.6M +32.1%
- ALPHABET INC$2.1M +22.7%
Top Trims
- BOSTON SCIENTIFIC CORP-$1.5M -45.5%
- QUALCOMM INC-$1.1M -56.4%
- ALIBABA GROUP HLDG LTD-$710.5K -22.9%
- L3HARRIS TECHNOLOGIES INC-$419.2K -14.6%
- AEROVIRONMENT INC-$293.1K -29.4%
New Positions
- ELI LILLY & CO$1.7M
- VANGUARD BD INDEX FDS$391.6K
- ISHARES TR$358.2K
- SANDISK CORP$295.6K
- MERCADOLIBRE INC$288.6K
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 | GE AEROSPACE | GE | 369604301 | $12.2M | 5.11% | 32,540 | SH |
| 2 | ALPHABET INC | GOOGL | 02079K305 | $11.3M | 4.75% | 31,617 | SH |
| 3 | APPLIED MATLS INC | AMAT | 038222105 | $11.3M | 4.74% | 15,601 | SH |
| 4 | GE VERNOVA INC | GEV | 36828A101 | $10.5M | 4.41% | 8,931 | SH |
| 5 | MARVELL TECHNOLOGY INC | MRVL | 573874104 | $9.0M | 3.80% | 30,309 | SH |
| 6 | MICROSOFT CORP | MSFT | 594918104 | $8.3M | 3.48% | 22,215 | SH |
| 7 | BROOKFIELD WEALTH SOL LTD | BNT | G17434104 | $6.4M | 2.68% | 149,575 | SH |
| 8 | APPLE INC | AAPL | 037833100 | $5.7M | 2.41% | 19,802 | SH |
| 9 | ALPHABET INC | GOOG | 02079K107 | $5.7M | 2.38% | 16,049 | SH |
| 10 | EATON CORP PLC | ETN | G29183103 | $5.6M | 2.35% | 13,095 | SH |
| 11 | JPMORGAN CHASE & CO | JPM | 46625H100 | $5.4M | 2.27% | 16,520 | SH |
| 12 | META PLATFORMS INC | META | 30303M102 | $5.1M | 2.14% | 9,027 | SH |
| 13 | STRYKER CORPORATION | SYK | 863667101 | $4.5M | 1.89% | 14,303 | SH |
| 14 | SCHWAB CHARLES CORP | SCHW | 808513105 | $4.3M | 1.82% | 46,778 | SH |
| 15 | JONES LANG LASALLE INC | JLL | 48020Q107 | $4.0M | 1.69% | 12,987 | SH |
| 16 | AMAZON COM INC | AMZN | 023135106 | $3.5M | 1.46% | 14,527 | SH |
| 17 | SL GREEN RLTY CORP | SLG | 78440X887 | $3.4M | 1.41% | 64,758 | SH |
| 18 | BOEING CO | BA | 097023105 | $3.3M | 1.37% | 15,098 | SH |
| 19 | NVIDIA CORPORATION | NVDA | 67066G104 | $3.2M | 1.35% | 16,055 | SH |
| 20 | UBER TECHNOLOGIES INC | UBER | 90353T100 | $3.2M | 1.34% | 44,162 | SH |
| 21 | DANAHER CORP DEL | DHR | 235851102 | $3.1M | 1.28% | 16,039 | SH |
| 22 | REGAL REXNORD CORPORATION | RRX | 758750103 | $3.0M | 1.25% | 12,464 | SH |
| 23 | CVS HEALTH CORP | CVS | 126650100 | $2.9M | 1.21% | 27,858 | SH |
| 24 | ABBOTT LABORATORIES | ABT | 002824100 | $2.8M | 1.18% | 30,998 | SH |
| 25 | VERSANT MEDIA GROUP INC | VSNT | 925283103 | $2.8M | 1.17% | 77,590 | SH |
| 26 | VANGUARD SPECIALIZED FUNDS | VIG | 921908844 | $2.7M | 1.12% | 11,209 | SH |
| 27 | GE HEALTHCARE TECHNOLOGIES I | GEHC | 36266G107 | $2.6M | 1.11% | 41,281 | SH |
| 28 | CARLISLE COS INC | CSL | 142339100 | $2.6M | 1.08% | 7,111 | SH |
| 29 | BROOKFIELD BUSINESS CORP | BBUC | 113006100 | $2.5M | 1.07% | 84,894 | SH |
| 30 | ELEVANCE HEALTH INC FORMERLY | ELV | 036752103 | $2.5M | 1.05% | 6,437 | SH |
| 31 | L3HARRIS TECHNOLOGIES INC | LHX | 502431109 | $2.5M | 1.03% | 8,442 | SH |
| 32 | PROLOGIS INC. | PLD | 74340W103 | $2.4M | 1.01% | 17,816 | SH |
| 33 | ALIBABA GROUP HLDG LTD | BABA | 01609W102 | $2.4M | 1.00% | 24,889 | SH |
| 34 | BROOKFIELD CORP | BN | 11271J107 | $2.4M | 0.99% | 55,537 | SH |
| 35 | CAPITAL ONE FINL CORP | COF | 14040H105 | $2.3M | 0.98% | 11,646 | SH |
| 36 | MOTOROLA SOLUTIONS INC | MSI | 620076307 | $2.2M | 0.94% | 5,402 | SH |
| 37 | PALO ALTO NETWORKS INC | PANW | 697435105 | $2.2M | 0.92% | 6,439 | SH |
| 38 | VANGUARD INDEX FDS | VUG | 922908736 | $2.2M | 0.91% | 25,098 | SH |
| 39 | WASTE MGMT INC DEL | WM | 94106L109 | $2.1M | 0.89% | 9,539 | SH |
| 40 | CROWDSTRIKE HLDGS INC | CRWD | 22788C105 | $2.1M | 0.88% | 2,742 | SH |
| 41 | LAM RESEARCH CORP | LRCX | 512807306 | $2.1M | 0.87% | 4,800 | SH |
| 42 | HOME DEPOT INC | HD | 437076102 | $2.0M | 0.85% | 5,742 | SH |
| 43 | BERKSHIRE HATHAWAY INC DEL | BRK.B | 084670702 | $2.0M | 0.85% | 4,040 | SH |
| 44 | ASML HLDG NV | ASML | N07059210 | $1.9M | 0.80% | 955 | SH |
| 45 | BOSTON SCIENTIFIC CORP | BSX | 101137107 | $1.7M | 0.74% | 40,972 | SH |
| 46 | ELI LILLY & CO | LLY | 532457108 | $1.7M | 0.70% | 1,383 | SH |
| 47 | MORGAN STANLEY | MS | 617446448 | $1.7M | 0.70% | 7,916 | SH |
| 48 | ASTERA LABS INC | ALAB | 04626A103 | $1.6M | 0.68% | 3,340 | SH |
| 49 | BROOKFIELD ASSET MANAGMT LTD | BAM | 113004105 | $1.6M | 0.67% | 35,416 | SH |
| 50 | INVESCO EXCHANGE TRADED FD T | SPHQ | 46137V241 | $1.5M | 0.64% | 16,845 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-06-30 | 2026-08-11 | $237.8M | 118 | 0000873759-26-000003 |
| 2026-03-31 | 2026-04-16 | $199.7M | 110 | 0000873759-26-000002 |
| 2025-12-31 | 2026-01-23 | $219.8M | 115 | 0000873759-26-000001 |
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