Institutional Manager · CIK 0001453620
Cohen Klingenstein LLC
NEW YORK, NY · File #028-13338
Latest AUM
$3.29B
Positions
207
Top-10 Concentration
69.1%
Filings
9
Portfolio Value Over Time
2024-03
2024-06
2024-09
2024-12
2025-03
2025-06
2025-09
2025-12
Biggest QoQ Changes
Ranked by conviction flow (share change × current price) so mark-to-market moves don't dominate. Price effect column shows how much of the $ change was just the stock moving.
| Action | Issuer | Ticker / CUSIP | Δ Shares | Flow ($) | Price Effect |
|---|---|---|---|---|---|
| REDUCE | Standard Poors DR | SPY | -12,190 | -$8.3M | +$17.9M |
| ADD | Netflix Inc | NFLX | +45,000 | +$4.2M | -$5.5M |
| REDUCE | iShares Russell 2000G | 464287648 | -9,254 | -$3.0M | +$1.6M |
| REDUCE | Invesco QQQ Trust | IVZ | -3,926 | -$2.4M | +$4.5M |
| REDUCE | Amazoncom | AMZN | -9,000 | -$2.1M | +$6.2M |
| REDUCE | American Express | AXP | -4,650 | -$1.7M | +$7.0M |
| ADD | ServiceNow Inc | NOW | +8,000 | +$1.2M | -$1.5M |
| NEW | Warner Bros Discovery Inc T/S | WBD | +33,756 | +$983,987 | $0 |
| EXITED | Warner Bros Discovery Inc | 934423104 | -33,756 | -$659,255 | $0 |
| REDUCE | Vanguard Small-Cap Growth ETF | 922908595 | -2,040 | -$616,304 | +$3.0M |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 2025207 pos · $3.29B
- 13F HOLDINGS REPORTQ/E Sep 2025204 pos · $3.19B
- 13F HOLDINGS REPORTQ/E Jun 2025204 pos · $3.00B
- 13F HOLDINGS REPORTQ/E Mar 2025208 pos · $2.76B
- 13F HOLDINGS REPORTQ/E Dec 2024207 pos · $2.92B
- 13F HOLDINGS REPORTQ/E Sep 2024220 pos · $2.87B
- 13F HOLDINGS REPORTQ/E Jun 2024222 pos · $2.76B
- 13F HOLDINGS REPORTQ/E Mar 2024222 pos · $2.69B
- 13F HOLDINGS REPORTQ/E Dec 2023221 pos · $2.21B
Top 20 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | Standard Poors DR | SPY | 1,124,873 | $767.1M | 26.17% |
| 2 | Vanguard Small-Cap Growth ETF | 922908595 | 668,380 | $201.9M | 6.89% |
| 3 | Invesco QQQ Trust | IVZ | 317,949 | $195.3M | 6.66% |
| 4 | iShares Russell 2000G | 464287648 | 516,788 | $166.9M | 5.69% |
| 5 | Eli Lilly | LLY | 129,993 | $139.7M | 4.77% |
| 6 | Microsoft Corp | MSFT | 285,500 | $138.1M | 4.71% |
| 7 | Apple Inc | AAPL | 466,450 | $126.8M | 4.33% |
| 8 | Amazoncom | AMZN | 539,575 | $124.5M | 4.25% |
| 9 | Nvidia Corp | NVDA | 463,650 | $86.5M | 2.95% |
| 10 | Alphabet Class A | GOOG | 253,315 | $79.3M | 2.70% |
| 11 | Alphabet Class C | GOOG | 241,220 | $75.7M | 2.58% |
| 12 | American Express | AXP | 181,512 | $67.2M | 2.29% |
| 13 | Walt Disney Co | 254687106 | 552,960 | $62.9M | 2.15% |
| 14 | Broadcom Inc | AVGO | 177,555 | $61.5M | 2.10% |
| 15 | Berkshire Hathaway B | BRK-A | 105,724 | $53.1M | 1.81% |
| 16 | Meta Platforms Inc | META | 79,528 | $52.5M | 1.79% |
| 17 | PepsiCo Inc | PEP | 295,866 | $42.5M | 1.45% |
| 18 | Union Pacific Corp | UNP | 123,943 | $28.7M | 0.98% |
| 19 | RTX Corp | RTX | 154,527 | $28.3M | 0.97% |
| 20 | Johnson Johnson | JNJ | 127,994 | $26.5M | 0.90% |