GAMMA Investing LLC

Diversified mechanical Mechanical CIK 2010235
League rank
#113
in Diversified mechanical · #2319 overall
Long book
$2.14B
Q1 2026
Positions
4110
Top-10 weight
25%
concentration
Last quarter
+13.5%
SPY +14.8%
Turnover
9%
of book per quarter

Strategy in plain words

auto-generated from filings

GAMMA Investing LLC is a mechanically diversified allocator, running a $2.14B US long book across 4110 positions.

The portfolio is broadly diversified across 4110 positions (top 10 only 25%). The book barely moves quarter to quarter — a patient, low-turnover holder. Current anchor positions: NVIDIA CORP, APPLE INC, MICROSOFT CORP, AMAZON.COM INC, ALPHABET INC-CL A.

Over the last 9 quarters its long book ran on average 0.3pp per quarter behind the S&P 500, beating the index in 3 of 9 quarters. Its holdings are mechanical (indexing / client flows), so position changes carry no stock-picking signal.

Implied long-book return vs S&P 500

methodology: positions priced quarterly, no shorts/options
Fund long book S&P 500
Q1 2024
+2.5%
Q2 2024
+6.2%
Q3 2024
+1.1%
Q4 2024
-3.2%
Q1 2025
+9.7%
Q2 2025
+7.6%
Q3 2025
+2.3%
Q4 2025
-2.3%
Q1 2026
+13.5%

Sector allocation

Technology
35%
Financials
12%
Industrials
12%
Consumer discretionary
9%
Healthcare
8%
Services media
5%
Utilities
4%
Energy
4%

Long book by quarter

$491.0M
Q1 2024
$733.8M
Q2 2024
$1.01B
Q3 2024
$1.17B
Q4 2024
$1.33B
Q1 2025
$1.58B
Q2 2025
$1.81B
Q3 2025
$1.99B
Q4 2025
$2.14B
Q1 2026

What does GAMMA Investing own?

Q1 2026 13F
CompanySectorSharesValue% of bookChange
NVDA NVIDIA CORPTechnology623.7K$108.8M5.1%+6.1%
AAPL APPLE INCTechnology373.4K$94.8M4.4%+4.8%
MSFT MICROSOFT CORPTechnology179.7K$66.5M3.1%+1.8%
AMZN AMAZON.COM INCConsumer discretionary229.6K$47.8M2.2%+5.4%
GOOGL ALPHABET INC-CL ATechnology155.5K$44.7M2.1%+9.8%
AVGO BROADCOM INCTechnology136.7K$42.3M2.0%+6.6%
GOOG ALPHABET INC-CL CTechnology123.3K$35.4M1.7%+8.6%
JPM JPMORGAN CHASE & COFinancials107.1K$31.5M1.5%+1.6%
META META PLATFORMS INC-CLASS ATechnology52.1K$29.8M1.4%+6.8%
TSLA TESLA INCIndustrials62.3K$23.2M1.1%+3.6%
LLY ELI LILLY & COHealthcare22.6K$20.8M1.0%+3.6%
XOM EXXON MOBIL CORPEnergy121.5K$20.6M1.0%+15.1%
BRK/B BERKSHIRE HATHAWAY INC-CL BFinancials41.8K$20.0M0.9%+10.5%
JNJ JOHNSON & JOHNSONHealthcare72.0K$17.6M0.8%+16.6%
WMT WALMART INCConsumer discretionary140.5K$17.5M0.8%+9.1%
V VISA INC-CLASS A SHARESServices media52.6K$15.9M0.7%+8.2%
ABBV ABBVIE INCHealthcare62.9K$13.7M0.6%+3.5%
NFLX NETFLIX INCServices media123.5K$11.9M0.6%+15.5%
COST COSTCO WHOLESALE CORPConsumer discretionary11.8K$11.8M0.5%+25.1%
MRK MERCK & CO. INC.Healthcare89.3K$10.7M0.5%+10.7%
HD HOME DEPOT INCConsumer discretionary32.5K$10.7M0.5%+4.1%
CVX CHEVRON CORPEnergy50.5K$10.4M0.5%+24.2%
MA MASTERCARD INC - AServices media20.5K$10.2M0.5%+10.9%
CSCO CISCO SYSTEMS INCTechnology131.7K$10.2M0.5%+10.7%
CAT CATERPILLAR INCIndustrials14.0K$9.9M0.5%+8.5%
MU MICRON TECHNOLOGY INCTechnology28.5K$9.6M0.4%+19.7%
KO COCA-COLA CO/THEConsumer staples120.6K$9.2M0.4%+12.8%
RTX RTX CORPIndustrials45.4K$8.8M0.4%+10.9%
PEP PEPSICO INCConsumer staples52.8K$8.2M0.4%+7.5%
GS GOLDMAN SACHS GROUP INCFinancials9.6K$8.1M0.4%+3.8%
GE GENERAL ELECTRICIndustrials28.0K$7.9M0.4%+7.2%
PG PROCTER & GAMBLE CO/THEOther54.0K$7.8M0.4%+29.4%
AMAT APPLIED MATERIALS INCTechnology22.6K$7.7M0.4%+15.5%
LRCX LAM RESEARCH CORPIndustrials35.8K$7.7M0.4%+8.0%
PM PHILIP MORRIS INTERNATIONALConsumer staples44.7K$7.4M0.3%+15.1%
GEV GE VERNOVA INCIndustrials8.5K$7.4M0.3%+10.0%
BAC BANK OF AMERICA CORPFinancials148.1K$7.2M0.3%+5.0%
PLTR PALANTIR TECHNOLOGIES INC-ATechnology48.4K$7.1M0.3%+11.8%
AMD ADVANCED MICRO DEVICESTechnology34.0K$6.9M0.3%+14.8%
MCD MCDONALD'S CORPConsumer discretionary22.1K$6.9M0.3%+16.4%
APH AMPHENOL CORP-CL ATechnology52.3K$6.6M0.3%+2.2%
ORCL ORACLE CORPTechnology44.8K$6.6M0.3%+16.0%
T AT&T INCCommunications221.8K$6.4M0.3%+12.0%
AMGN AMGEN INCHealthcare17.4K$6.1M0.3%+8.4%
IBM INTL BUSINESS MACHINES CORPTechnology24.7K$6.0M0.3%+2.7%
UNH UNITEDHEALTH GROUP INCFinancials21.7K$5.9M0.3%+16.4%
TJX TJX COMPANIES INCConsumer discretionary36.3K$5.8M0.3%+9.3%
MS MORGAN STANLEYFinancials35.1K$5.8M0.3%+6.1%
COP CONOCOPHILLIPSEnergy43.7K$5.8M0.3%+17.4%
ETN EATON CORP PLCIndustrials15.9K$5.7M0.3%+3.7%

13F filing history

PeriodFormFiledEntriesReported valueFlagsSource
Q1 202613F-HRApr 6, 20264110$2.14B canonicalSEC ↗
Q4 202513F-HRJan 5, 20264094$1.99B canonicalSEC ↗
Q3 202513F-HROct 2, 20253873$1.81B canonicalSEC ↗
Q2 202513F-HRJul 14, 20253769$1.58B canonicalSEC ↗
Q1 202513F-HR/ARESTATEMENTApr 15, 20253793$1.33B canonicalSEC ↗
Q1 202513F-HRApr 7, 20253793$18.8M SEC ↗
Q4 202413F-HRJan 3, 20253776$1.17B canonicalSEC ↗
Q3 202413F-HROct 7, 20243575$1.01B canonicalSEC ↗
Q2 202413F-HRJul 2, 20243461$733.8M canonicalSEC ↗
Q1 202413F-HRApr 5, 20243321$491.0M canonicalSEC ↗