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Alkeon Capital Management 13F Portfolio · Panayotis Sparaggis

Portfolio Manager
Panayotis Sparaggis
Performance
+30.18% (2026 Q2)
AUM (13F)
$74.07B
# of Holdings
79
Performance Rank
Allocation (Top 20)
67.85%
Latest filing
Q2 2026

2026 Q2 · 13F Analysis

Alkeon Is Cashing In AI Winners to Buy Semiconductor Plumbing

Published September 6, 2026 · Based on the SEC 13F filing for 2026 Q2

Key takeaways

  • Harvests massive gains in core AI champions to free up risk budget
  • Channels capital into semiconductor tools, connectivity, and data plumbing
  • Uses QQQ and SOXX as liquid overlays on the AI hardware cycle
  • Builds industrial and utilities ballast under a still tech-heavy book
  • Adds Nokia and power gear as a bet on bandwidth and electrification demand

The thesis in one look

Alkeon’s 2026-Q2 book reads like a manager that still loves AI, but is tired of being overexposed to the poster children. The big story is a deliberate move away from concentrated bets in individual mega-cap winners toward the less glamorous infrastructure that actually makes the AI boom work.

They are taking serious profits in hyper-appreciated names like Taiwan Semiconductor, Lam Research, Alphabet, KLA, Meta, and Microsoft — many sitting on triple-digit gains versus cost — yet technology still dominates at 53.43% of the book. The difference now is that conviction is migrating from a handful of explosive single names into a mix of semicap equipment, connectivity, and broad tech exposure via QQQ and SOXX.

Top-10 concentration at 47.3% underscores that Alkeon is not suddenly becoming an index hugger. Instead, they are recycling upside from early AI and internet winners into what looks like a multi-year bet on capacity, bandwidth, and power: more fabs, more test gear, more data centers, and more electrons to feed them.

Portfolio concentration
TSM — 6.8% ($1.69B)AMZN — 5.6% ($1.38B)LRCX — 5.3% ($1.32B)GOOGL — 5.3% ($1.32B)QQQ — 4.8% ($1.18B)KLAC — 4.6% ($1.13B)META — 4.4% ($1.10B)AMAT — 4.4% ($1.09B)TER — 4.2% ($1.05B)APH — 4.1% ($1.01B)Other — 50.6% ($12.57B)
49%in top 10
  • TSM6.8%
  • AMZN5.6%
  • LRCX5.3%
  • GOOGL5.3%
  • QQQ4.8%
  • KLAC4.6%
  • META4.4%
  • AMAT4.4%
  • TER4.2%
  • APH4.1%
  • Other50.6%

Performance History

Performance Metric3-Year Annualized3-Year Cumulative5-Year Annualized5-Year Cumulative
Top 20 Holdings Weighted+37.77%+161.47%+17.46%+123.56%
Top 20 Holdings Unweighted+31.33%+126.53%+13.27%+86.46%

Fund Performance vs S&P 500

Exposure

Sector allocation

Current sector weights across the reported book, with the shift since last quarter.

Technology53.4%−2.7%
Industrials16.0%+1.6%
Consumer Discretionary10.7%−0.3%
Real Estate7.5%+0.5%
Unclassified5.7%+1.1%
Utilities4.7%−0.3%
Finance1.9%

Portfolio

Portfolio allocation

The fund's largest reported positions.

Top Holdings

Top 10 holdings

StockCompany% Port.SharesValueActivityOwnershipAvg. CostDate
TSM
TAIWAN SEMICONDUCTOR MANUFAC
6.51%3.54M$1.69B
-34.78%(-1.89M)
2025-Q2: 5.56M shares2025-Q3: 5.26M shares2025-Q4: 5.44M shares2026-Q1: 5.42M shares2026-Q2: 3.54M shares
$105.07(+306.28%)
2026-06-30
AMZN
AMAZON COM INC
5.34%5.81M$1.38B
+0.00%(+0)
2025-Q2: 6.27M shares2025-Q3: 6.02M shares2025-Q4: 5.80M shares2026-Q1: 5.81M shares2026-Q2: 5.81M shares
$97.34(+169.71%)
2026-06-30
LRCX
LAM RESEARCH CORP
5.1%3.05M$1.32B
-21.79%(-850.00K)
2025-Q2: 8.50M shares2025-Q3: 6.42M shares2025-Q4: 6.42M shares2026-Q1: 3.90M shares2026-Q2: 3.05M shares
$65.71(+413.45%)
2026-06-30
GOOGL
ALPHABET INC
5.08%3.69M$1.32B
-27.13%(-1.37M)
2025-Q2: 8.63M shares2025-Q3: 5.80M shares2025-Q4: 5.80M shares2026-Q1: 5.06M shares2026-Q2: 3.69M shares
$117.63(+193.04%)
2026-06-30
QQQ
INVESCO QQQ TR
4.57%1.61M$1.18B
+21.31%(+282.48K)
2025-Q2: 849.8K shares2025-Q3: 849.8K shares2025-Q4: 1.42M shares2026-Q1: 1.33M shares2026-Q2: 1.61M shares
$494.10(+48.25%)
2026-06-30
KLAC
KLA CORP
4.37%3.76M$1.13B
-35.29%(-2.05M)
2025-Q2: 9.80M shares2025-Q3: 7.10M shares2025-Q4: 7.10M shares2026-Q1: 5.81M shares2026-Q2: 3.76M shares
$43.69(+354.50%)
2026-06-30
META
META PLATFORMS INC
4.23%1.95M$1.10B
-9.32%(-200.00K)
2025-Q2: 2.14M shares2025-Q3: 2.06M shares2025-Q4: 1.99M shares2026-Q1: 2.15M shares2026-Q2: 1.95M shares
$199.35(+191.10%)
2026-06-30
AMAT
APPLIED MATLS INC
4.2%1.50M$1.09Bnew2025-Q2: 45.0K shares2025-Q3: 0 shares2025-Q4: 0 shares2026-Q1: 0 shares2026-Q2: 1.50M shares
$514.00(+3.46%)
2026-06-30
TER
TERADYNE INC
4.04%2.16M$1.05B
-22.46%(-626.50K)
2025-Q2: 1.93M shares2025-Q3: 2.87M shares2025-Q4: 2.43M shares2026-Q1: 2.79M shares2026-Q2: 2.16M shares
$112.80(+263.52%)
2026-06-30
APH
AMPHENOL CORP
3.9%5.73M$1.01B
+24.11%(+1.11M)
2025-Q2: 2.67M shares2025-Q3: 4.10M shares2025-Q4: 3.74M shares2026-Q1: 4.62M shares2026-Q2: 5.73M shares
$101.29(+66.09%)
2026-06-30

Portfolio changes

What the fund actually did

Every reported change this quarter, grouped by direction. The signal is in the rotation, not any single trade.

New buys
5
AMATAPPLIED MATLS INC4.2%
NOKNOKIA CORP1.8%
MKSIMKS INC.1.8%
SIMOSILICON MOTION TECHNOLOGY CO1.4%
+1 opened
Added to
11
QQQINVESCO QQQ TR+21.3%
APHAMPHENOL CORP+24.1%
EQIXEQUINIX INC+42.8%
TWLOTWILIO INC+26.9%
+7 more
Trimmed
18
TSMTAIWAN SEMICONDUCTOR MANUFAC-34.8%
KLACKLA CORP-35.3%
GOOGLALPHABET INC-27.1%
LRCXLAM RESEARCH CORP-21.8%
+14 more

Conviction Is Rising in Semicap, Connectivity, and Liquid Tech Beta

The biggest buys table makes their intent obvious: Alkeon is reloading around the picks-and-shovels of the compute cycle rather than chasing the same AI narratives everyone else is crowding into.

  • AMAT (Applied Materials, new, 4.20%, $1.09B): A flagship new position at scale says they want direct exposure to wafer fab equipment volumes, not just the chip designers. With gain_vs_avg_buy_pct only 3.5%, this is capital going in close to cost, not a momentum chase.
  • NOK (Nokia, new, 1.84%, $478.1M): A sizeable first-time bet on radio and network gear to carry the data deluge downstream from AI workloads.
  • MKSI (MKS Instruments, new, 1.84%, $476.8M): Another critical process and subsystems supplier, notably initiated despite being slightly underwater at -7.6% vs cost — a clean signal they’re buying for structural, not tactical, reasons.
  • SIMO (Silicon Motion, new, 1.41%, $366.7M): Flash controllers and storage plumbing; a direct nod to the I/O and memory bottlenecks created by AI-heavy architectures.
  • NVT (nVent Electric, new, 0.80%, $206.5M): Power and electrical connectivity gear to keep data centers and industrial electrification running — an under-the-radar infra angle.
  • QQQ (Invesco QQQ, +21.3%, $1.18B) and SOXX (iShares Semiconductor ETF, +19.5%, $237.9M): Growing these ETFs turns part of their AI/semis view into a liquid overlay instead of stock-picking every incremental dollar.
  • APH (Amphenol, +24.1%, $1.01B) and EQIX (Equinix, +42.8%, $347.9M): More dollars into high-quality interconnects and neutral data-center REITs rounds out a coherent bandwidth-and-racks thesis.

Taken together, the adds say Alkeon is underwriting the durability of the capex cycle behind AI — fabs, interconnect, power, and neutral colo — even as they grow more agnostic on which front-end chip designer or cloud platform wins the margin pool.

Conviction

The big buys

The biggest dollar adds this quarter — where conviction is rising.

PositionChangePortfolio weightValue
AMATAPPLIED MATLS INCNew+$1.09B4.2%$1.09B
NOKNOKIA CORPNew+$478.1M1.8%$478.1M
MKSIMKS INC.New+$476.8M1.8%$476.8M
SIMOSILICON MOTION TECHNOLOGY CONew+$366.7M1.4%$366.7M
QQQINVESCO QQQ TRAdded 21.3%+$208.0M4.6%$1.18B
NVTNVENT ELEC PLCNew+$206.5M0.8%$206.5M
APHAMPHENOL CORPAdded 24.1%+$196.3M3.9%$1.01B
EQIXEQUINIX INCAdded 42.8%+$104.2M1.3%$347.9M

Dollar changes estimated at current prices (shares added × current price); top-50 current positions only.

What They’re Selling: Skimming the Cream off Early AI and Growth Winners

The funding side is just as telling. The biggest trims read like a who’s-who of early-cycle AI and internet winners where Alkeon’s entry points were far lower than today’s marks.

  • TSM (Taiwan Semi, -34.8%, $1.69B): Sitting on a 306.3% gain vs cost, this is a classic risk-budget release. They’re not bearish on foundry economics; they’re monetizing a home run.
  • KLAC (KLA, -35.3%, $1.13B) and LRCX (Lam Research, -21.8%, $1.32B): Both show eye-watering gains (354.5% and 413.4%), yet are being cut back to make way for a broader semicap basket including AMAT and MKSI.
  • GOOGL (Alphabet, -27.1%, $1.32B), META (Meta, -9.3%, $1.10B), and MSFT (Microsoft, -29.1%, $317.5M): They’re shaving the Big Tech platform layer after a strong run — all well over +80% vs cost — but not abandoning it.
  • VRT (Vertiv, -43.2%, $476.1M) and GE Aerospace (-54.3%, $119.6M): After huge moves (Vertiv at +83.2%, GE at +123.6%), size is coming down in the most explosive infra names while they re-spread capital across EQIX, NVT, BWXT, and others.
  • TER (Teradyne, -22.5%, $1.05B) and EXPE (Expedia, -26.3%, $467.1M): Test equipment and cyclical travel are being tapped as liquidity sources; both still sit on triple-digit or near-triple-digit gains.

The pattern is disciplined: harvest where multiples and market caps have expanded fastest, especially where positions have swelled via performance, and recycle into earlier-stage or less fully valued infrastructure legs of the same secular demand story.

How the Book Is Rotating: Still Tech-Heavy, But with Real-World Anchors

On the sector chart, technology remains the spine of the fund at 53.43%, but that headline masks a subtle derisking beneath. Tech was 56.14% the prior quarter, and the cut mostly reflects trims in the most mature, richly valued AI and platform names rather than abandoning the theme.

Industrials are the clear gainer, rising to 15.98% from 14.37%. New positions in MKSI and NVT, plus existing stakes like TER, BWXT, VMC, MLM, PWR, TDG, and CP, give Alkeon ballast in hard-asset and engineering names tied to capex, aerospace, and infrastructure.

Real estate (properly understood here as payments and digital infra given mislabels on Visa, Mastercard, Uber, and MercadoLibre) nudges up to 7.51% from 6.97% as they add to EQIX and keep V and MA unchanged. Unclassified ETFs (QQQ and SOXX) step up to 5.73% from 4.60%, effectively functioning as a shock absorber for their tech view.

Consumer discretionary drifts slightly down to 10.74% from 11.04%, with cuts in Expedia offset by steady off-price retail (TJX, ROST, BURL) and housing-adjacent Sherwin-Williams. Utilities ease to 4.72% from 5.04% as they chip away at CEG and VST, but maintain diversified exposure via ETR and NI — a quiet hedge on power markets that rhyme with their data-center and electrification thesis.

Finance holds around 1.90% vs 1.85% with sticky stakes in CG and ICE, a low-drama earnings and fee stream that supports an otherwise growth-heavy profile.

What This Quarter Signals About Alkeon’s Next Act

Put together, this 2026-Q2 filing shows a manager who believes the AI and compute super-cycle is real but also recognizes that the easy money in the obvious winners has already been made. Their 3-year annualized performance of 37.77% and latest-quarter gain of 30.18% give them the luxury of playing offense from a position of strength.

The offense is clear: more exposure to the midstream of the stack. New money into AMAT, MKSI, SIMO, NVT, NOK, APH, EQIX, and the SOXX ETF says they expect a long, investment-heavy phase of building fabs, routers, racks, and power infrastructure — regardless of how AI model economics shake out. They are also visibly willing to own that view via diversified vehicles like QQQ when idiosyncratic valuations look stretched.

At the same time, sticky positions in AMZN, CDNS, and a cluster of off-price retailers and construction aggregates suggest they are not abandoning the U.S. consumer or software monetization of this cycle. They are simply capping single-name blow-up risk after a huge run.

Going forward, watch whether technology’s share continues to drift down or stabilizes around the current 50–55% zone. If semicap and electrification continue to absorb capital while platform names are trimmed, Alkeon will be signaling a long-duration bet on capacity and infrastructure, not just AI headline stories.

Rotation

How the book's themes shifted

Portfolio weight by theme, this quarter versus last.

2026 Q12026 Q2Technology (incl. software & semis)Technology (incl. software & semis) — 2026 Q1: 56.1%56.1%Technology (incl. software & semis) — 2026 Q2: 53.4%53.4% −2.7ptIndustrial & physical infrastructureIndustrial & physical infrastructure — 2026 Q1: 14.4%14.4%Industrial & physical infrastructure — 2026 Q2: 16%16% +1.6ptConsumer & paymentsConsumer & payments — 2026 Q1: 18%18%Consumer & payments — 2026 Q2: 18.2%18.2% +0.2ptUtilities & powerUtilities & power — 2026 Q1: 5%5%Utilities & power — 2026 Q2: 4.7%4.7% −0.3ptTech-linked ETFsTech-linked ETFs — 2026 Q1: 4.6%4.6%Tech-linked ETFs — 2026 Q2: 5.7%5.7% +1.1pt
Portfolio weight by theme, 2026 Q1 (estimated at current prices) vs 2026 Q2.

Frequently asked questions

What did Alkeon Capital Management LLC buy in 2026-Q2?+

In 2026-Q2, Alkeon opened sizable new positions in Applied Materials, Nokia, MKS Instruments, Silicon Motion, and nVent Electric. They also added meaningfully to QQQ, SOXX, Amphenol, Equinix, Twilio, BWX Technologies, Uber, and Burlington Stores.

What is Alkeon Capital Management LLC's biggest holding in the 2026-Q2 filing?+

Alkeon’s largest disclosed position for 2026-Q2 is Taiwan Semiconductor at 6.51% of the reported portfolio, followed by Amazon, Lam Research, Alphabet, KLA, and Meta.

How is Alkeon Capital Management LLC positioned toward technology and AI?+

Technology is 53.43% of the book, down modestly from 56.14%, with big profits taken in mega-cap AI and internet winners. At the same time, Alkeon is ramping exposure to semiconductor equipment, connectivity, data centers, and tech ETFs, signaling continued conviction in the AI and compute cycle but with broader, more infrastructure-focused implementation.

Which stocks did Alkeon Capital Management LLC sell or reduce in 2026-Q2?+

Alkeon trimmed Taiwan Semiconductor, KLA, Alphabet, Lam Research, Vertiv, Teradyne, Microsoft, Meta, Expedia, GE Aerospace, and several others. These were largely positions with very high gains versus cost, used as funding sources for new semicap and infrastructure buys.

How did Alkeon Capital Management LLC's sector exposure change in 2026-Q2?+

Technology exposure edged down, while industrials, real-estate-linked names, and ETF allocations increased. Consumer discretionary and utilities dipped slightly, and finance exposure was roughly unchanged, indicating a shift toward industrial and infrastructure underpinnings of the tech cycle.

What has Alkeon Capital Management LLC's performance been like recently?+

Over the past 3 years through 2026-Q2, Alkeon’s weighted annualized return was 37.77% with a cumulative 161.47%. Over 5 years, the weighted annualized return was 17.46%, and the latest quarter alone delivered 30.18%.

Source filings

Holdings on this page are parsed from Alkeon Capital Management LLC’s Form 13F filings with the U.S. Securities and Exchange Commission (CIK 1230239). View Alkeon Capital Management LLC’s 13F filings on SEC

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