Institutional Manager · CIK 0000900973
Winslow Capital Management, LLC
MINNEAPOLIS, MN · File #028-03676
Latest AUM
$29.80B
Positions
143
Top-10 Concentration
46.0%
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 | Advanced Micro Devices Inc. | AMD | -1,793,569 | -$384.1M | +$116.0M |
| ADD | Netflix Inc. | NFLX | +3,530,781 | +$331.0M | -$375.3M |
| NEW | GE Vernova Inc. | GEV | +401,949 | +$262.7M | $0 |
| REDUCE | BOOKING HLDGS INC | BKNG | -47,673 | -$255.3M | -$2.1M |
| EXITED | Eaton Corp Plc | G29183103 | -630,276 | -$235.9M | $0 |
| NEW | Vertex Pharmaceuticals, Inc. | VRTX | +514,351 | +$233.2M | $0 |
| REDUCE | Oracle Corp. | ORCL-PD | -1,124,351 | -$219.1M | -$185.2M |
| NEW | Cintas Corporation | CTAS | +1,067,995 | +$200.9M | $0 |
| REDUCE | VERTIV HOLDINGS CO COM CL A | VRT | -1,235,646 | -$200.2M | +$13.8M |
| REDUCE | Moody`s Corp. | MCO | -391,771 | -$200.1M | +$14.3M |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 2025143 pos · $29.80B
- 13F HOLDINGS REPORTQ/E Sep 2025139 pos · $30.27B
- 13F HOLDINGS REPORTQ/E Jun 2025148 pos · $29.94B
- 13F HOLDINGS REPORTQ/E Mar 2025156 pos · $25.07B
- 13F HOLDINGS REPORTQ/E Dec 2024155 pos · $28.15B
- 13F HOLDINGS REPORTQ/E Sep 2024148 pos · $27.83B
- 13F HOLDINGS REPORTQ/E Jun 2024142 pos · $27.72B
- 13F HOLDINGS REPORTQ/E Mar 2024146 pos · $26.55B
- 13F HOLDINGS REPORTQ/E Dec 2023140 pos · $21.02B
Top 20 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | Microsoft Corporation | MSFT | 3,370,891 | $1.63B | 7.04% |
| 2 | NVIDIA Corp | NVDA | 8,452,534 | $1.58B | 6.81% |
| 3 | Amazon.com Inc. | AMZN | 4,855,998 | $1.12B | 4.84% |
| 4 | Apple Inc | AAPL | 4,000,730 | $1.09B | 4.70% |
| 5 | Alphabet Inc | GOOG | 3,398,396 | $1.07B | 4.61% |
| 6 | NVIDIA Corp | NVDA | 5,052,078 | $942.2M | 4.07% |
| 7 | Broadcom Inc | AVGO | 2,678,832 | $927.1M | 4.00% |
| 8 | Microsoft Corporation | MSFT | 1,771,452 | $856.7M | 3.70% |
| 9 | Meta Platforms Inc | META | 1,125,713 | $743.1M | 3.21% |
| 10 | Apple Inc | AAPL | 2,554,597 | $694.5M | 3.00% |
| 11 | NVIDIA Corp | NVDA | 3,415,925 | $642.5M | 2.77% |
| 12 | Microsoft Corporation | MSFT | 1,192,575 | $576.6M | 2.49% |
| 13 | Alphabet Inc | GOOG | 1,571,497 | $493.1M | 2.13% |
| 14 | Lilly(Eli) & Co | LLY | 432,891 | $465.2M | 2.01% |
| 15 | Apple Inc | AAPL | 1,724,291 | $456.8M | 1.97% |
| 16 | Visa Inc | V | 1,281,298 | $449.4M | 1.94% |
| 17 | Amazon.com Inc. | AMZN | 1,916,617 | $442.4M | 1.91% |
| 18 | Intuitive Surgical Inc | ISRG | 720,661 | $408.2M | 1.76% |
| 19 | Snowflake Inc | SNOW | 1,810,219 | $397.1M | 1.71% |
| 20 | Tesla Inc | TSLA | 875,508 | $393.7M | 1.70% |