Institutional Manager · CIK 0002010235
GAMMA Investing LLC
FOSTER CITY, CA · File #028-23577
Latest AUM
$1.99B
Positions
4,094
Top-10 Concentration
57.8%
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 |
|---|---|---|---|---|---|
| ADD | APPLE INC COM | AAPL | +38,760 | +$10.5M | +$5.5M |
| ADD | NETFLIX INC COM | NFLX | +95,765 | +$9.0M | -$12.3M |
| ADD | NVIDIA CORPORATION COM | NVDA | +35,583 | +$6.6M | -$44,173 |
| ADD | ELI LILLY CO COM | LLY | +4,641 | +$5.0M | +$5.4M |
| ADD | MICROSOFT CORP COM | MSFT | +10,262 | +$5.0M | -$5.7M |
| NEW | ISHARES INC MSCI CDA ETF | 464286509 | +86,202 | +$4.6M | $0 |
| ADD | ISHARES TR NATIONAL MUN ETF | 464288414 | +39,803 | +$4.3M | +$86,075 |
| ADD | ISHARES INC CORE MSCI EMKT | 46434G103 | +57,063 | +$3.8M | +$386,717 |
| ADD | AMAZON COM INC COM | AMZN | +14,615 | +$3.4M | +$2.3M |
| ADD | TESLA INC COM | TSLA | +7,403 | +$3.3M | +$263,895 |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 20254,094 pos · $1.99B
- 13F HOLDINGS REPORTQ/E Sep 20253,873 pos · $1.81B
- 13F HOLDINGS REPORTQ/E Jun 20253,769 pos · $1.58B
- 13F HOLDINGS REPORT (Amended)Q/E Mar 20253,793 pos · $1.33B
- 13F HOLDINGS REPORTQ/E Mar 20253,793 pos · $18.8M
- 13F HOLDINGS REPORTQ/E Dec 20243,776 pos · $1.17B
- 13F HOLDINGS REPORTQ/E Sep 20243,575 pos · $1.01B
- 13F HOLDINGS REPORTQ/E Jun 20243,461 pos · $733.8M
- 13F HOLDINGS REPORTQ/E Mar 20243,321 pos · $491.0M
Top 20 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | NVIDIA CORPORATION COM | NVDA | 587,737 | $109.6M | 11.33% |
| 2 | APPLE INC COM | AAPL | 356,266 | $96.9M | 10.01% |
| 3 | MICROSOFT CORP COM | MSFT | 176,488 | $85.4M | 8.82% |
| 4 | AMAZON COM INC COM | AMZN | 217,803 | $50.3M | 5.20% |
| 5 | BROADCOM INC COM | AVGO | 128,177 | $44.4M | 4.59% |
| 6 | ALPHABET INC CAP STK CL A | GOOG | 141,646 | $44.3M | 4.58% |
| 7 | ALPHABET INC CAP STK CL C | GOOG | 113,512 | $35.6M | 3.68% |
| 8 | JPMORGAN CHASE CO COM | VYLD | 105,374 | $34.0M | 3.51% |
| 9 | META PLATFORMS INC CL A | META | 48,746 | $32.2M | 3.33% |
| 10 | TESLA INC COM | TSLA | 60,182 | $27.1M | 2.80% |
| 11 | ISHARES INC CORE MSCI EMKT | 46434G103 | 354,538 | $23.8M | 2.46% |
| 12 | ELI LILLY CO COM | LLY | 21,821 | $23.5M | 2.42% |
| 13 | ISHARES TR NATIONAL MUN ETF | 464288414 | 178,633 | $19.1M | 1.98% |
| 14 | BERKSHIRE HATHAWAY INC DEL CL B NEW | BRK-A | 37,803 | $19.0M | 1.96% |
| 15 | VISA INC COM CL A | V | 48,570 | $17.0M | 1.76% |
| 16 | ISHARES TR SHRT NAT MUN ETF | 464288158 | 154,590 | $16.5M | 1.70% |
| 17 | VANGUARD BD INDEX FDS INTERMED TERM | 921937819 | 196,883 | $15.3M | 1.58% |
| 18 | WALMART INC COM | WMT | 128,739 | $14.3M | 1.48% |
| 19 | ABBVIE INC COM | ABBV | 60,735 | $13.9M | 1.43% |
| 20 | JOHNSON JOHNSON COM | JNJ | 61,754 | $12.8M | 1.32% |