JS
J. Stern & Co. LLP — 13F Portfolio Changes & Top Buys (Q2 2026)
J. Stern & Co. LLPCIK: 0002011335
Diversified strategyContrarianQuality / disciplined sizing
Total reported value
$1.1B
Reporting period: 2026-06-30 · Number of holdings: 51
J. Stern & Co. LLP disclosed 51 holdings in its latest 13F filing for the period ending 2026-06-30, with total reported value of $1.1B and a quarterly turnover rate of 27.3%.
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Personality snowflake
- Concentration
- 24.37
- Portfolio Stability
- 27.32
- Momentum
- 0
- Sector conviction
- 54.38
- Diversification
- 100
- Sizing Uniformity
- 85.34
J. Stern & Co. LLP's disclosed holdings carry a Herfindahl concentration index of 0.061 — mathematically equivalent to about 16 equally-sized positions, well below its 51 actual disclosed holdings. That gap points to a strategy built around a small core of high-conviction bets rather than broad diversification.
Position sizes vary widely across the portfolio (a coefficient of variation of 1.47), with a handful of outsized bets alongside many smaller positions.
No strong tilt toward either adding to existing winners or initiating outsized new positions was observed in the latest reported quarter.
Source and citation information
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Recent moves
View source Form 13F filing on SEC.govSold out HON
New buy 438516205
New buy 43849R105
Trim ZTS
-98.6% -$22.5M
Add APH
-1.3% $23.8M
Add GOOG
-1.8% $19.1M
Holdings Map
New buyAddUnchangedTrim
* This report is exclusively curated by the AlphaSMO team. AlphaSMO is the web's most authoritative 13F / Inside Trader database, delivering precise insider trading and institutional holdings insights.
Top 10 holdings by weight
Full holdings list this quarter
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | NVDA | Nvidia CORP | Stock-Tech | 11.52% | +1.05% | -1.54% | |
| 2 | GOOG | Alphabet Inc-cl C | Stock-Comm Services | 10.40% | +1.57% | -1.78% | |
| 3 | APH | Amphenol Corp-cl A | Stock-Tech | 8.21% | +2.09% | -1.29% | |
| 4 | AMZN | Amazon.com Inc | Stock-Consumer Disc | 7.72% | +0.69% | -1.45% | |
| 5 | ETN | Eaton Corporation plc | Stock-Industrials | 6.83% | +0.88% | -0.95% | |
| 6 | MA | Mastercard Inc - A | Stock-Financials | 5.63% | -0.11% | -2.11% | |
| 7 | META | Meta Platforms Inc-class A | Stock-Comm Services | 5.62% | -0.33% | -1.40% | |
| 8 | RTX | Rtx CORP | Stock-Industrials | 5.27% | -0.38% | -2.52% | |
| 9 | ICE | Intercontinental Exchange In | Stock-Financials | 3.90% | -1.28% | -1.43% | |
| 10 | AMT | American Tower CORP | Stock-Real Estate | 3.27% | -0.34% | -1.99% | |
| 11 | XYL | Xylem Inc | Stock-Industrials | 3.10% | -0.23% | -3.10% | |
| 12 | ✓ | Stock-Other | 3.10% | +3.10% | NEW | ||
| 13 | ✓ | Stock-Other | 3.06% | +3.06% | NEW | ||
| 14 | DIS | Walt Disney Co/the | Stock-Comm Services | 3.02% | -0.15% | -2.23% | |
| 15 | CRM | Salesforce Inc | Stock-Tech | 3.00% | -0.32% | +10.54% | |
| 16 | NKE | Nike Inc -cl B | Stock-Consumer Disc | 2.92% | -1.03% | -2.19% | |
| 17 | ABT | Abbott Laboratories | Stock-Healthcare | 2.67% | -0.47% | -1.50% | |
| 18 | OTIS | Otis Worldwide CORP | Stock-Industrials | 2.62% | -0.33% | -1.84% | |
| 19 | TMO | Thermo Fisher Scientific Inc | Stock-Healthcare | 2.50% | -0.11% | -3.73% | |
| 20 | LRCX | Lam Research CORP | Stock-Tech | 0.69% | +0.28% | -14.62% | |
| 21 | LLY | Eli Lilly & Co | Stock-Healthcare | 0.55% | +0.15% | +6.53% | |
| 22 | BRK-B | Berkshire Hathaway Inc-cl B | Stock-Other | 0.46% | +0.01% | — | |
| 23 | CDNS | Cadence Design Sys Inc | Stock-Tech | 0.46% | +0.12% | +3.79% | |
| 24 | V | Visa Inc-class A Shares | Stock-Financials | 0.34% | +0.04% | +3.61% | |
| 25 | ANET | Arista Networks Inc | Stock-Tech | 0.34% | +0.34% | NEW | |
| 26 | XYZ | Block Inc | Stock-Financials | 0.33% | +0.07% | +4.95% | |
| 27 | EL | Estee Lauder Companies-cl A | Stock-Consumer Staples | 0.33% | +0.06% | +11.32% | |
| 28 | BKNG | Booking Holdings Inc | Stock-Consumer Disc | 0.29% | +0.02% | +2465.47% | |
| 29 | MCD | Mcdonald's CORP | Stock-Consumer Disc | 0.25% | -0.03% | +4.71% | |
| 30 | HD | Home Depot Inc | Stock-Consumer Disc | 0.25% | +0.02% | +2.69% | |
| 31 | TEL | TE Connectivity plc | Stock-Tech | 0.19% | — | +4.34% | |
| 32 | DXCM | Dexcom Inc | Stock-Healthcare | 0.18% | +0.02% | +5.88% | |
| 33 | ISRG | Intuitive Surgical Inc | Stock-Healthcare | 0.16% | -0.03% | +4.28% | |
| 34 | LIN | Linde plc | Stock-Materials | 0.15% | — | — | |
| 35 | LOW | Lowe's Cos Inc | Stock-Consumer Disc | 0.15% | -0.01% | +4.72% | |
| 36 | GOOGL | Alphabet Inc-cl A | Stock-Comm Services | 0.13% | +0.04% | +24.91% | |
| 37 | AMAT | Applied Materials Inc | Stock-Tech | 0.11% | +0.03% | -30.43% | |
| 38 | BF-B | Brown-forman Corp-class B | Stock-Other | 0.06% | -0.01% | -4.07% | |
| 39 | NOC | Northrop Grumman CORP | Stock-Industrials | 0.04% | -0.01% | — | |
| 40 | LMT | Lockheed Martin CORP | Stock-Industrials | 0.03% | -0.01% | — | |
| 41 | SLB | Slb LTD | Stock-Energy | 0.03% | -0.01% | — | |
| 42 | ADBE | Adobe Inc | Stock-Tech | 0.03% | -0.01% | — | |
| 43 | ZTS | Zoetis Inc | Stock-Healthcare | 0.02% | -2.18% | -98.63% | |
| 44 | SAP | Sap Se-sponsored Adr | Stock-Tech | 0.01% | — | +101.18% | |
| 45 | DKNG | Draftkings Inc-cl A | Stock-Consumer Disc | 0.01% | — | — | |
| 46 | ASML | ASML Holding N.V. | Stock-Tech | 0.01% | — | — | |
| 47 | IDXX | Idexx Laboratories Inc | Stock-Healthcare | 0.01% | -0.25% | -96.05% | |
| 48 | MSFT | Microsoft CORP | Stock-Tech | 0.01% | — | — | |
| 49 | UNP | Union Pacific CORP | Stock-Industrials | — | — | — | |
| 50 | SOLS | Solstice Adv Materials Inc | Stock-Materials | — | — | — |
1–50 of 51
Portfolio Performance
Performance for Q3 2026
+3.3%
Performance Last 4 Quarters
+18.3%
- Stdev
- +13.6%
- Beta
- +0.97
- Alpha
- -2.1%
- Max Drawdown
- -9.4%
- Annualized Perf
- +16%
- Batting Avg vs S&P
- +46.7%
- Sortino
- +2.13
- Stutzer
- +0.34
- Treynor
- +0.16
- Sterling
- +0.88
- Calmar
- +1.7
- Information Ratio
- -0.39
- Tracking Error
- +6.8%
- Stdev Down
- +7.5%
- Winning Months %
- +63.3%
- Losing Months %
- +36.7%
- Best 12 Months
- +35.1%
- Worst 12 Months
- +1%
- Efficiency Ratio
- +0.45
- Sharpe
- +1.17
- Stdev Sectors
- +9%
- Skewness
- -0.17
- Kurtosis
- -0.27
- Upside Potential
- +3.77
Reported value over time
Sector allocation
Sector allocation over time
Quarterly history
Holding changes this quarter
J. Stern & Co. LLP's most significant position changes for 2026-06-30: Sold out: Honeywell International Inc (HON); New buy: ; New buy: ; New buy: Arista Networks Inc (ANET); Trim: Zoetis Inc (ZTS) — shares -98.63%.
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | ✓ | +3.1% | NEW | New buy | |
| 2 | ✓ | +3.1% | NEW | New buy | |
| 3 | APH | Amphenol Corp-cl A | +2.1% | -1.29% | Trim |
| 4 | GOOG | Alphabet Inc-cl C | +1.6% | -1.78% | Trim |
| 5 | NVDA | Nvidia CORP | +1.1% | -1.54% | Trim |
| 6 | ETN | Eaton Corporation plc | +0.9% | -0.95% | Trim |
| 7 | AMZN | Amazon.com Inc | +0.7% | -1.45% | Trim |
| 8 | ANET | Arista Networks Inc | +0.3% | NEW | New buy |
| 9 | LRCX | Lam Research CORP | +0.3% | -14.62% | Trim |
| 10 | LLY | Eli Lilly & Co | +0.2% | +6.53% | Add |
| 11 | CDNS | Cadence Design Sys Inc | +0.1% | +3.79% | Add |
| 12 | XYZ | Block Inc | +0.1% | +4.95% | Add |
| 13 | EL | Estee Lauder Companies-cl A | +0.1% | +11.32% | Add |
| 14 | V | Visa Inc-class A Shares | 0% | +3.61% | Add |
| 15 | GOOGL | Alphabet Inc-cl A | 0% | +24.91% | Add |
| 16 | AMAT | Applied Materials Inc | 0% | -30.43% | Trim |
| 17 | HD | Home Depot Inc | 0% | +2.69% | Add |
| 18 | BKNG | Booking Holdings Inc | 0% | +2465.47% | Add |
| 19 | DXCM | Dexcom Inc | 0% | +5.88% | Add |
| 20 | BRK-B | Berkshire Hathaway Inc-cl B | 0% | — | Unchanged |
| 21 | LIN | Linde plc | — | — | Unchanged |
| 22 | SAP | Sap Se-sponsored Adr | — | +101.18% | Add |
| 23 | ASML | ASML Holding N.V. | — | — | Unchanged |
| 24 | DKNG | Draftkings Inc-cl A | — | — | Unchanged |
| 25 | TEL | TE Connectivity plc | — | +4.34% | Add |
| 26 | UNP | Union Pacific CORP | — | — | Unchanged |
| 27 | FIS | Fidelity National Info Serv | — | — | Unchanged |
| 28 | SOLS | Solstice Adv Materials Inc | — | — | Unchanged |
| 29 | MSFT | Microsoft CORP | — | — | Unchanged |
| 30 | NOC | Northrop Grumman CORP | 0% | — | Unchanged |
| 31 | LMT | Lockheed Martin CORP | 0% | — | Unchanged |
| 32 | ADBE | Adobe Inc | 0% | — | Unchanged |
| 33 | LOW | Lowe's Cos Inc | 0% | +4.72% | Add |
| 34 | SLB | Slb LTD | 0% | — | Unchanged |
| 35 | BF-B | Brown-forman Corp-class B | 0% | -4.07% | Trim |
| 36 | MCD | Mcdonald's CORP | 0% | +4.71% | Add |
| 37 | ISRG | Intuitive Surgical Inc | 0% | +4.28% | Add |
| 38 | TMO | Thermo Fisher Scientific Inc | -0.1% | -3.73% | Trim |
| 39 | MA | Mastercard Inc - A | -0.1% | -2.11% | Trim |
| 40 | DIS | Walt Disney Co/the | -0.2% | -2.23% | Trim |
| 41 | XYL | Xylem Inc | -0.2% | -3.10% | Trim |
| 42 | IDXX | Idexx Laboratories Inc | -0.3% | -96.05% | Trim |
| 43 | CRM | Salesforce Inc | -0.3% | +10.54% | Add |
| 44 | OTIS | Otis Worldwide CORP | -0.3% | -1.84% | Trim |
| 45 | META | Meta Platforms Inc-class A | -0.3% | -1.40% | Trim |
| 46 | AMT | American Tower CORP | -0.3% | -1.99% | Trim |
| 47 | RTX | Rtx CORP | -0.4% | -2.52% | Trim |
| 48 | ABT | Abbott Laboratories | -0.5% | -1.50% | Trim |
| 49 | NKE | Nike Inc -cl B | -1% | -2.19% | Trim |
| 50 | ICE | Intercontinental Exchange In | -1.3% | -1.43% | Trim |
1–50 of 52
Filing History
FAQ
What is J. Stern & Co. LLP and what type of investor is it?
J. Stern & Co. LLP is an investment manager that files SEC Form 13F quarterly, disclosing its U.S. public equity holdings to regulators. As of the most recent reporting period (2026-06-30), the firm manages a tracked equity portfolio valued at approximately $1.1B, spread across 51 disclosed positions.
What are J. Stern & Co. LLP's largest equity positions?
Based on the latest 13F filing, J. Stern & Co. LLP's top holdings by market value are:
1. Nvidia CORP (NVDA) — $122.0M (11.5%)
2. Alphabet Inc-cl C (GOOG) — $110.2M (10.4%)
3. Amphenol Corp-cl A (APH) — $86.9M (8.2%)
4. Amazon.com Inc (AMZN) — $81.8M (7.7%)
5. Eaton Corporation plc (ETN) — $72.4M (6.8%)
What changes did J. Stern & Co. LLP make in its most recent portfolio filing?
In the latest reported quarter, J. Stern & Co. LLP made 40 notable position adjustments: 3 new positions were initiated, 15 existing holdings were added to, 21 positions were partially reduced, and 1 were completely exited. The largest of these moves: Sold out: Honeywell International Inc (HON); New buy: ; New buy: ; New buy: Arista Networks Inc (ANET); Trim: Zoetis Inc (ZTS) — shares -98.63%
What sectors does J. Stern & Co. LLP focus on?
J. Stern & Co. LLP is concentrated in the following sectors based on its current disclosed equity portfolio:
• Information Technology: 26.3%
• Communication Services: 20.6%
• Industrials: 19.2%
• Consumer Discretionary: 12.4%
• Financials: 10.9%
• Health Care: 6.5%
Investment Profile
J. Stern & Co. LLP returned an annualized 16.0% over the trailing 30 months — underperforming the S&P 500 by 2.1 points — based on a reconstructed track record of its disclosed 13F positions, with a beta of 0.97 (roughly in line with the market) and a 47% quarterly batting average against the index.
Its portfolio is broadly diversified and moderately active.
Its turnover score has risen from 0 to 27 over the past 4 quarters — a shift toward more active trading.
It has added to its ETN position over the past two quarters (+$13.4M, now $72.4M), while trimming ZTS over the same stretch (-$23.9M, still holding $188.6K).
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