Institutional Manager · CIK 0001426196
CAPSTONE INVESTMENT ADVISORS, LLC
NEW YORK, NY · File #028-13005
Latest AUM
$51.09B
Positions
1,530
Top-10 Concentration
66.3%
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 | SPDR S&P 500 ETF TR | SPY | -4,608,100 | -$3.14B | +$380.3M |
| ADD | INVESCO QQQ TR | IVZ | +3,132,500 | +$1.92B | +$27.4M |
| REDUCE | NVIDIA CORPORATION | NVDA | -4,539,199 | -$846.6M | -$1.0M |
| REDUCE | MICROSOFT CORP | MSFT | -1,745,100 | -$844.0M | -$110.7M |
| REDUCE | TESLA INC | TSLA | -1,405,600 | -$632.1M | +$16.4M |
| ADD | ISHARES TR | 464287200 | +818,601 | +$560.7M | +$15.1M |
| REDUCE | AMAZON COM INC | AMZN | -2,309,900 | -$533.2M | +$70.1M |
| ADD | ALPHABET INC | GOOG | +1,277,000 | +$399.7M | +$172.4M |
| REDUCE | ISHARES TR | 464287655 | -1,474,000 | -$362.8M | +$36.2M |
| ADD | ALPHABET INC | GOOG | +1,014,300 | +$318.3M | +$73.5M |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 20251,530 pos · $51.09B
- 13F HOLDINGS REPORTQ/E Sep 20251,889 pos · $53.72B
- 13F HOLDINGS REPORTQ/E Jun 20251,556 pos · $40.39B
- 13F HOLDINGS REPORTQ/E Mar 20251,317 pos · $37.83B
- 13F HOLDINGS REPORTQ/E Dec 20241,824 pos · $41.41B
- 13F HOLDINGS REPORTQ/E Sep 20241,886 pos · $32.86B
- 13F HOLDINGS REPORTQ/E Jun 20242,031 pos · $31.92B
- 13F HOLDINGS REPORTQ/E Mar 20242,306 pos · $23.47B
- 13F HOLDINGS REPORTQ/E Dec 20232,081 pos · $22.22B
Top 20 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | SPDR S&P 500 ETF TR | SPY | 19,554,400 | $13.33B | 31.96% |
| 2 | INVESCO QQQ TR | IVZ | 5,101,200 | $3.13B | 7.51% |
| 3 | NVIDIA CORPORATION | NVDA | 12,100,100 | $2.26B | 5.41% |
| 4 | ISHARES TR | 464287655 | 7,150,500 | $1.76B | 4.22% |
| 5 | NVIDIA CORPORATION | NVDA | 8,577,701 | $1.60B | 3.83% |
| 6 | INVESCO QQQ TR | IVZ | 2,329,900 | $1.43B | 3.43% |
| 7 | ISHARES TR | 464287200 | 1,780,940 | $1.22B | 2.92% |
| 8 | ALPHABET INC | GOOG | 3,743,100 | $1.17B | 2.81% |
| 9 | AMAZON COM INC | AMZN | 3,920,100 | $904.8M | 2.17% |
| 10 | ALPHABET INC | GOOG | 2,760,471 | $864.0M | 2.07% |
| 11 | TESLA INC | TSLA | 1,866,600 | $839.4M | 2.01% |
| 12 | APPLE INC | AAPL | 3,057,900 | $831.3M | 1.99% |
| 13 | SPDR S&P 500 ETF TR | SPY | 1,130,000 | $770.6M | 1.85% |
| 14 | MICROSOFT CORP | MSFT | 1,478,900 | $715.2M | 1.71% |
| 15 | ALPHABET INC | GOOG | 2,060,800 | $646.7M | 1.55% |
| 16 | AMAZON COM INC | AMZN | 2,669,268 | $616.1M | 1.48% |
| 17 | ADVANCED MICRO DEVICES INC | AMD | 2,648,300 | $567.2M | 1.36% |
| 18 | SELECT SECTOR SPDR TR | 81369Y605 | 10,206,000 | $559.0M | 1.34% |
| 19 | ADVANCED MICRO DEVICES INC | AMD | 2,467,636 | $528.5M | 1.27% |
| 20 | VANGUARD INDEX FDS | 922908363 | 829,895 | $520.5M | 1.25% |