Ritter Alpha, LP — 13F Holdings & Portfolio
CIK 1910323 · latest 13F-HR filed 2026-05-15
Ritter Alpha, LP manages $4.8M in 13F-reported U.S. long-equity assets across 20 reported positions as of its 2026-03-31 13F-HR filing. Its largest disclosed positions are MGA (7.95%), NVDA (7.92%), SYY (7.12%). Quarter over quarter (versus its 2025-12-31 filing) the fund opened 19 new positions and exited 10; 1 existing position rose in reported value and 0 fell.
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
Long-equity book
Distinct positions
Filed 2026-05-15
vs 2025-12-31
Portfolio charts
Latest quarter's book, what changed, and how the portfolio has evolved across filings.
Portfolio map
Q1 26Box size = position value; colour = change in share count vs the prior quarter (green added, red trimmed, blue new). Rows split across managers or share classes are combined. Click a box for the stock.
Sector mix
% of 13F valueSectors from each company's SIC code; funds and ETFs grouped separately.
Biggest buys and sells
Q4 25 → Q1 26Estimated from the change in shares held × the quarter-end price, so price moves alone don't count as buying. New and exited positions are included.
13F assets and positions
3 quartersTotal reported 13F value (bars) and number of positions (line) each quarter. Value changes include market moves.
Top positions over time
reported valueThe eight largest current positions, valued at each quarter end.
Concentration
top 10 = 62.7%Cumulative share of the portfolio held in the largest N positions.
As of the firm’s regulatory filing dated Mar 31, 2026.
SUITE 705
NEW YORK, NY 10017
| Name | Title / Status | Ownership | Type |
|---|---|---|---|
| RITTER ALPHA GP LLC Control | GENERAL PARTNER since Mar 2019 | Less than 5% | Domestic Entity |
| RITTER, WILLIAM, GORDON Control | CHIEF COMPLIANCE OFFICER / CHIEF INVESTMENT OFFICER since Mar 2019 | 75% or more | Individual |
| RITTER, WILLIAM, GORDON Control Indirect owner via RITTER ALPHA GP LLC | SOLE MEMBER since Mar 2019 | 75% or more | Individual |
Quarter-over-quarter changes
Changes in reported position value vs the prior 13F, so price moves count too, not just shares bought or sold.
New Positions
- MAGNA INTL INC$379.9K
- NVIDIA CORPORATION$378.4K
- SYSCO CORP$340.0K
- META PLATFORMS INC$322.7K
- DOMINOS PIZZA INC$275.6K
Exited Positions
- UBER TECHNOLOGIES INC$296.6K
- HASBRO INC$279.8K
- PEPSICO INC$252.9K
- ALPHABET INC$237.3K
- PAYPAL HLDGS INC$223.6K
Ritter Alpha, LP Holdings (2026-03-31)
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | MAGNA INTL INC | MGA | 559222401 | $379.9K | 7.95% | 6,807 | SH |
| 2 | NVIDIA CORPORATION | NVDA | 67066G104 | $378.4K | 7.92% | 2,170 | SH |
| 3 | SYSCO CORP | SYY | 871829107 | $340.0K | 7.12% | 4,767 | SH |
| 4 | META PLATFORMS INC | META | 30303M102 | $322.7K | 6.75% | 564 | SH |
| 5 | DOMINOS PIZZA INC | DPZ | 25754A201 | $275.6K | 5.77% | 768 | SH |
| 6 | REINSURANCE GROUP AMER INC | RGA | 759351604 | $273.4K | 5.72% | 1,339 | SH |
| 7 | MAGNOLIA OIL & GAS CORP | MGY | 559663109 | $266.8K | 5.58% | 8,450 | SH |
| 8 | SS&C TECH HLDGS | SSNC | 78467J100 | $260.6K | 5.45% | 3,856 | SH |
| 9 | HESS MIDSTREAM LP | HESM | 428103105 | $249.0K | 5.21% | 6,405 | SH |
| 10 | WESTERN UN CO | WU | 959802109 | $247.9K | 5.19% | 28,398 | SH |
| 11 | GENERAL MILLS INC | GIS | 370334104 | $242.2K | 5.07% | 6,506 | SH |
| 12 | VISA INC | V | 92826C839 | $224.9K | 4.71% | 744 | SH |
| 13 | CINTAS CORP | CTAS | 172908105 | $219.2K | 4.59% | 1,296 | SH |
| 14 | MASTERCARD INCORPORATED | MA | 57636Q104 | $211.9K | 4.43% | 424 | SH |
| 15 | MICRON TECHNOLOGY INC | MU | 595112103 | $209.5K | 4.38% | 620 | SH |
| 16 | AGILENT TECHNOLOGIES INC | A | 00846U101 | $203.2K | 4.25% | 1,783 | SH |
| 17 | S&P GLOBAL INC | SPGI | 78409V104 | $202.9K | 4.25% | 477 | SH |
| 18 | SONOS INC | SONO | 83570H108 | $146.0K | 3.06% | 10,897 | SH |
| 19 | GENIUS SPORTS LIMITED | GENI | G3934V109 | $76.8K | 1.61% | 17,333 | SH |
| 20 | WEBULL CORP | BULL | G9572D103 | $48.3K | 1.01% | 10,053 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-03-31 | 2026-05-15 | $4.8M | 20 | 0001172661-26-002260 |
| 2025-12-31 | 2026-02-17 | $2.3M | 11 | 0001172661-26-001190 |
| 2025-09-30 | 2025-11-14 | $1.9M | 10 | 0001172661-25-005082 |