Gamma Investing Llc
- Regulatory AUM
- $2.3B
- Discretionary
- $2.3B
- Clients
- 1,975
- Avg AUM / client
- $1.2M
- Accounts
- 1,975
- Employees
- 7
AUM over time
Annual snapshots from Form ADV filings · as of Mar 13, 2026
Investments (13F portfolio — 4,173 positions, $2,687,093,336)
13F period Jun 30, 2026| # | Issuer | Class | Value | Shares | % of 13F | % of AUM |
|---|---|---|---|---|---|---|
| 1 | Nvidia Corporation Com | Common Stock | $136,512,387 | 682,255 | 5.08% | 5.98% |
| 2 | Apple Inc Com | Common Stock | $120,723,771 | 417,210 | 4.49% | 5.29% |
| 3 | Microsoft Corp Com | Common Stock | $74,235,975 | 199,013 | 2.76% | 3.25% |
| 4 | Amazon Com Inc Com | Common Stock | $62,323,765 | 261,491 | 2.32% | 2.73% |
| 5 | Alphabet Inc Cap Stk Cl A | Common Stock | $62,220,417 | 174,106 | 2.32% | 2.73% |
| 6 | Broadcom Inc Com | Common Stock | $56,926,120 | 150,698 | 2.12% | 2.49% |
| 7 | Alphabet Inc Cap Stk Cl C | Common Stock | $47,820,179 | 135,341 | 1.78% | 2.1% |
| 8 | Ishares Inc Core Msci Emkt | ETF | $44,150,241 | 532,958 | 1.64% | 1.93% |
| 9 | Micron Technology Inc Com | Common Stock | $39,062,483 | 33,841 | 1.45% | 1.71% |
| 10 | Jpmorgan Chase Co Com | Common Stock | $37,358,698 | 114,132 | 1.39% | 1.64% |
| 11 | Meta Platforms Inc Cl A | Common Stock | $31,539,198 | 55,991 | 1.17% | 1.38% |
| 12 | Eli Lilly Co Com | Common Stock | $30,999,590 | 25,845 | 1.15% | 1.36% |
| 13 | Tesla Inc Com | Common Stock | $29,668,283 | 70,538 | 1.1% | 1.3% |
| 14 | Ishares Tr National Mun Etf | ETF | $26,986,145 | 250,754 | 1.0% | 1.18% |
| 15 | Advanced Micro Devices Inc Com | Common Stock | $24,225,109 | 41,702 | 0.9% | 1.06% |
| 16 | Berkshire Hathaway Inc Del Cl B New | Common Stock | $24,217,375 | 48,397 | 0.9% | 1.06% |
| 17 | Ishares Tr Shrt Nat Mun Etf | ETF | $23,620,263 | 221,849 | 0.88% | 1.04% |
| 18 | Vanguard Bd Index Fds Intermed Term | ETF | $22,927,471 | 298,924 | 0.85% | 1.0% |
| 19 | Visa Inc Com Cl A | Common Stock | $20,741,347 | 60,455 | 0.77% | 0.91% |
| 20 | Johnson Johnson Com | Common Stock | $19,944,244 | 78,530 | 0.74% | 0.87% |
| 21 | Applied Matls Inc Com | Common Stock | $17,939,454 | 24,813 | 0.67% | 0.79% |
| 22 | Lam Research Corp Com New | Common Stock | $17,295,119 | 39,912 | 0.64% | 0.76% |
| 23 | Abbvie Inc Com | Common Stock | $17,111,947 | 68,002 | 0.64% | 0.75% |
| 24 | Exxon Mobil Corp Com | Common Stock | $17,035,999 | 124,605 | 0.63% | 0.75% |
| 25 | Cisco Sys Inc Com | Common Stock | $16,728,067 | 142,415 | 0.62% | 0.73% |
Top 25 of 4,173 positions from the manager's latest Form 13F · source filing (EDGAR) ↗. 13F covers long US-listed positions only. "% of AUM" is share of the firm's total regulatory AUM (Form ADV Item 5.F).
Who they serve
| Client type | Clients | AUM | % of AUM |
|---|---|---|---|
| High net worth individuals | 1 | $137K | 0.01% |
| Other investment advisers | 1,974 | $2.3B | 100.0% |
People (8)
roster as of Jul 20, 2026| Name | Role / title | Credentials | With firm since | Ownership |
|---|---|---|---|---|
| Lorraine Y Fang | Ceo & President/Cco | CFA | Jan 2021 (6y) | 50% – 75% |
| Zlatko Martinic | Cio | CFA | Mar 2021 (5y) | Less than 5% |
| Peili Wang | Senior Portfolio Manager | CFA | Sep 2021 (5y) | Less than 5% |
| Calvin Lee | Client Portfolio Manager | CFP | Jan 2022 (5y) | Less than 5% |
| William James Obrien | Registered representative | Aug 2022 (4y) | ||
| Ruxandra Risko | Registered representative | Apr 2025 (1y) | ||
| Mouna Nutakki | Registered representative | Aug 2025 (1y) | ||
| William Arthur Wilson | Registered representative | Dec 2025 (1y) |
Entity owners (Schedule A/B)
| Entity | Title / status | Since | Sch. | Ownership |
|---|---|---|---|---|
| Baird Financial Corporation | Direct Owner | Jan 2022 | A | 10% – 25% |
| Riverfront Investment Holding Group, Llc | Direct Owner | Jan 2022 | A | 10% – 25% |
| Baird Financial Group, Inc. | Owner | Apr 2004 | B | ≈ 7.5% – 25% via Baird Financial Corporation |
| Baird Financial Corporation | Owner | Mar 2008 | B | ≈ 2.5% – 12.5% via Riverfront Investment Holding Group, Llc |
Undisclosed: 0% – 30% of the firm is not attributable from the filed Schedule A bands.
Estimated effective ownership (look-through of filed bands):
- Baird Financial Group, Inc.: 75% – 100% of Baird Financial Corporation × 10% – 25% direct ≈ 7.5% – 25% of the firm
- Baird Financial Corporation: 25% – 50% of Riverfront Investment Holding Group, Llc × 10% – 25% direct ≈ 2.5% – 12.5% of the firm
Roster from the IAPD representatives feed; ownership and acquisition dates from Form ADV Schedule A/B. "Since" is the earliest filed registration or acquisition date.
Documents (1 archived)
| Form | Period | Size | |
|---|---|---|---|
| Form ADV (full filing) | 03/13/2026 | 1.81 MB | View · PDF · Source ↗ |
Archived copies of the firm's regulatory filings, versioned by content hash.
Disciplinary disclosures
No disciplinary events reported on the firm's latest Form ADV filing.
How they charge
- • Percentage of assets under management
Services
- • Portfolio management for individuals/small businesses
- • Portfolio management for businesses/institutional clients
- • Other services
Custody
Reported custodians
- Robert W. Baird & Co. Incorporated $2.2B (98% of AUM) Mar 2026
- Charles Schwab & Co. $63.6M (4% of AUM) Jan 2026
Amounts as reported in ADV Item 5.K.(3) (custodians holding 10%+ of SMA assets).
Firm reports it does not have custody of client funds or securities (Item 9.A).
Source
All data on this page comes from this firm's Form ADV filings, reproduced without modification. Latest filing: Mar 13, 2026.
View current Form ADV (SEC/IAPD) ↗