Klingenstein Fields & Co LP reported 145 positions worth $2.49B for the quarter ended Jun 30, 2026, up 10.2% on the prior quarter. It opened 10 new positions, added to 44, trimmed 56 and exited 5. Its largest holding is Broadcom Inc. at 7.7% of the portfolio.
Reported 13F market value at each quarter end. A change mixes trading with price moves in the positions held.
Dollar value of shares bought and sold each quarter, at that quarter’s price. It counts trading only, not price changes.
How many positions were opened, added to, trimmed or closed each quarter.
Share of reported value in each sector at every quarter end.
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| HONA Honeywell Aerospace Inc. | +81.6K | – | $18.03M | 0.725% |
| PLTR Palantir Technologies Inc. | +63.9K | +322.4% | $7.46M | 0.393% |
| NVDA Nvidia Corp | +17.7K | +4.3% | $3.55M | 3.46% |
| STUB StubHub Holdings, Inc. | +59.5K | +1.0% | $766.02K | 3.22% |
| AAPL Apple Inc. | +1,749 | +0.5% | $506.09K | 4.21% |
| AMD Advanced Micro Devices Inc | +802 | – | $465.89K | 0.019% |
| HD Home Depot, Inc. | +1,091 | +1.6% | $384.77K | 0.991% |
| INTC Intel Corp | +2,029 | – | $283.31K | 0.011% |
| TT Trane Technologies plc | +539 | – | $264.74K | 0.011% |
| LRCX Lam Research Corp | +594 | – | $257.40K | 0.01% |
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| LLY ELI LILLY & Co | -11.5K | -11.2% | $13.78M | 4.41% |
| ZS Zscaler, Inc. | -88.0K | -98.4% | $12.42M | <0.01% |
| SYK Stryker Corp | -29.5K | -40.4% | $9.30M | 0.553% |
| REGN Regeneron Pharmaceuticals, Inc. | -14.8K | -95.2% | $9.24M | 0.019% |
| TMO Thermo Fisher Scientific Inc. | -6,851 | -9.5% | $3.43M | 1.31% |
| AVGO Broadcom Inc. | -8,856 | -1.7% | $3.35M | 7.67% |
| YUM Yum Brands Inc | -11.2K | -13.7% | $1.79M | 0.456% |
| ISRG Intuitive Surgical Inc | -4,471 | -5.7% | $1.78M | 1.19% |
| AXP American Express Co | -4,590 | -13.6% | $1.55M | 0.398% |
| GOOGL Alphabet Inc. | -4,004 | -0.9% | $1.43M | 6.02% |
| Holding | Shares | Trade Value | Weight |
|---|---|---|---|
| HONA Honeywell Aerospace Inc. | +81.6K | $18.03M | 0.725% |
| AMD Advanced Micro Devices Inc | +802 | $465.89K | 0.019% |
| INTC Intel Corp | +2,029 | $283.31K | 0.011% |
| TT Trane Technologies plc | +539 | $264.74K | 0.011% |
| LRCX Lam Research Corp | +594 | $257.40K | 0.01% |
| C Citigroup Inc | +1,735 | $242.83K | <0.01% |
| RKLB Rocket Lab Corp | +2,231 | $226.78K | <0.01% |
| TXN Texas Instruments Inc | +702 | $209.25K | <0.01% |
| BA Boeing Co | +960 | $207.81K | <0.01% |
| FAST Fastenal Co | +4,234 | $203.36K | <0.01% |
| # | Activity | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | AVGO Broadcom Inc. | Technology | 504.7K | $190.63M | 7.67% | -8,856 | -1.7% | Reduced | 0.01% |
| 2 | GOOGL Alphabet Inc. | Technology | 418.9K | $149.69M | 6.02% | -4,004 | -0.9% | Reduced | 0.01% |
| 3 | PANW Palo Alto Networks Inc | Technology | 426.6K | $145.49M | 5.85% | -4,130 | -1.0% | Reduced | 0.05% |
| 4 | LLY ELI LILLY & Co | Healthcare | 91.4K | $109.58M | 4.41% | -11.5K | -11.2% | Reduced | 0.01% |
| 5 | AAPL Apple Inc. | Technology | 361.4K | $104.57M | 4.21% | +1,749 | +0.5% | Added | 0% |
| 6 | BRK-B Berkshire Hathaway Inc | Financial Services | 188.0K | $94.07M | 3.78% | -494 | -0.3% | Reduced | 0.01% |
| 7 | MSFT Microsoft Corp | Technology | 235.0K | $87.67M | 3.53% | +360 | +0.2% | Added | 0% |
| 8 | AMZN Amazon Com Inc | Consumer Discretionary | 362.4K | $86.36M | 3.47% | -815 | -0.2% | Reduced | 0% |
| 9 | NVDA Nvidia Corp | Technology | 430.0K | $86.04M | 3.46% | +17.7K | +4.3% | Added | 0% |
| 10 | STUB StubHub Holdings, Inc. | Technology | 6.23M | $80.17M | 3.22% | +59.5K | +1.0% | Added | 1.75% |
| 11 | GS Goldman Sachs Group Inc | Financial Services | 76.9K | $77.78M | 3.13% | -941 | -1.2% | Reduced | 0.03% |
| 12 | UNP Union Pacific Corp | Industrials | 259.5K | $70.58M | 2.84% | -1,918 | -0.7% | Reduced | 0.04% |
| 13 | GOOG Alphabet Inc. | Technology | 181.9K | $64.28M | 2.58% | -3,415 | -1.8% | Reduced | 0% |
| 14 | JPM Jpmorgan Chase & Co | Financial Services | 191.9K | $62.81M | 2.53% | -1,091 | -0.6% | Reduced | 0.01% |
| 15 | RTX RTX Corp | Industrials | 308.3K | $58.49M | 2.35% | -3,017 | -1.0% | Reduced | 0.02% |
Tip. Select a row to see that position’s full history at Klingenstein Fields.
As of its Q2 2026 13F filing, Klingenstein Fields & Co LP’s five largest positions were Broadcom Inc. (AVGO) at 7.7%, Alphabet Inc. (GOOGL) at 6.0%, Palo Alto Networks Inc (PANW) at 5.9%, ELI LILLY & Co (LLY) at 4.4%, Apple Inc. (AAPL) at 4.2% of the reported portfolio.
Klingenstein Fields & Co LP reported a 13F portfolio worth $2.49B across 145 positions for Q2 2026. That is up 10.2% from the previous quarter.
Its largest purchases by value were Honeywell Aerospace Inc. ($18.03M), Palantir Technologies Inc. ($7.46M), Nvidia Corp ($3.55M). It opened 10 new positions.
Its largest sales by value were ELI LILLY & Co ($13.78M), Zscaler, Inc. ($12.42M), Stryker Corp ($9.30M). It exited 5 positions entirely.
From the Form 13F-HR reports Klingenstein Fields & Co LP files with the SEC each quarter, within 45 days of quarter end. A 13F lists long positions in US-listed equities and options; it excludes short positions, cash, bonds and most non-US holdings.
13F data reflects long positions in US-listed equities and options as reported to the SEC up to 45 days after quarter end. It excludes short positions, cash, bonds and most non-US securities, so it is not a complete picture of a manager’s assets.