Stocks/Funds/CIK 1103738

GRUSS & CO INC

microcap filerlong-term holder
Quarterly 13F filings · Latest period 2026-03-31 · CIK 1103738
Assets
$43M
+86.6% YoY
Holdings
35
Lifetime alpha vs market
+15.40% annual
Average hold time
3.0 yr
median 1.3 yr

Quarterly history

Cum return +371% vs S&P +99% · α +272% lifetimeAUM $43M · peak $102MFlow $-4M (-8%)2016-062017-122019-062020-122022-062023-122025-062026-03
AUM ($B)fundS&P 500(gap = α)/ Flow in/out

Behavior signals (lifetime)

Dip response
-3.92%
trims when stocks drop
when a holding falls −10%+
Middle response
-6.02%
baseline attrition
Rally response
-12.17%
trims into rallies
when a holding rises +10%+

Top positions · 30

Ticker$ value% portYoYHold time
GLDSPDR Gold Shares$18M42.7%10.5 yr
RSVRReservoir Media, Inc.$5M11.7%+28.3%0.5 yr
AAXJiShares MSCI All Country$2M4.9%1.3 yr
MSFTMicrosoft Corporation$2M4.3%-0.6%9.5 yr
AMZNAmazon.com, Inc.$2M3.9%+9.5%10.0 yr
BSMBlack Stone Minerals, L.$1M2.5%+8.9%10.3 yr
AAPLApple Inc.$1M2.5%+14.7%10.5 yr
VIXYProShares - VIX Short-Te$1M2.4%0.5 yr
NVDANVIDIA Corporation$1M2.2%+60.9%4.5 yr
GOOGLAlphabet Inc.$1M1.7%7.8 yr
GDXVanEck Gold Miners ETF$1M1.6%2.5 yr
BEBloom Energy Corporation$1M1.6%+589.2%1.0 yr
EPDEnterprise Products Part$1M1.5%+18.7%1.0 yr
QQQInvesco QQQ Trust, Serie$1M1.3%3.8 yr
METAMeta Platforms, Inc.$1M1.3%-0.4%8.8 yr

Portfolio composition (YoY)

Industry mix
Asset Management55.8%-1.5pp$24M
Entertainment12.3%$5M
Software - Infrastructure4.3%-6.3pp$2M
Specialty Retail3.9%-1.9pp$2M
Oil & Gas Exploration & Production3.9%-1.8pp$2M
Internet Content & Information3.0%-2.8pp$1M
Oil & Gas Midstream2.5%$1M
Consumer Electronics2.5%-0.1pp$1M
Asset Management - Leveraged2.4%$1M
Semiconductors2.2%-0.8pp$1M
Country
US99.1%-0.5pp
CA0.5%
CN0.4%
Top 5: 67.6% · Top 10: 78.9% · Top 25: 94.7%

Winners

TickerPrev $PnLYoY %
NVDA$1M+0.00B60.9%
EVR$0M+0.00B51.2%
AMZN$1M+0.00B9.5%
JPM$0M+0.00B21.8%
AAPL$1M+0.00B14.7%

Losers

TickerPrev $PnLYoY %
MSFT$2M-0.00B-0.6%
META$1M-0.00B-0.4%

Top buys this quarter · 9

RSVR Reservoir Media, Inc.+$2M
AAPL Apple Inc.+$0M
SPHR Sphere Entertainment Co.new+$0M
FRMI Fermi Inc. Common Stock+$0M
JPM JPMorgan Chase & Co.+$0M
GOOGL Alphabet Inc.+$0M
VIXY ProShares - VIX Short-Term Fut+$0M
XBI State Street SPDR S&P Biotech +$0M
GDX VanEck Gold Miners ETF+$0M

Top sells this quarter · 15

AMZN Amazon.com, Inc.$1M
WBD Warner Bros. Discovery, Inc.exit$1M
UBER Uber Technologies, Inc.$0M
GEV GE Vernova Inc.exit$0M
MSFT Microsoft Corporation$0M
META Meta Platforms, Inc.$0M
NG NovaGold Resources Inc.$0M
EVR Evercore Inc.$0M
EL The Estée Lauder Companies Inexit$0M
NVDA NVIDIA Corporation$0M

Quarterly history (TTM returns)

PeriodAUM# PosReturn (1yr)SPY (1yr)Alpha (1yr)Flow
2026-03-31$43M35+43.86%+17.59%+26.27%-0.00B
2025-12-31$45M35+30.33%+17.72%+12.61%+0.01B
2025-09-30$38M32+52.41%+17.52%+34.89%+0.01B
2025-06-30$21M20+33.14%+14.94%+18.20%-0.01B
2025-03-31$23M25+20.55%+8.30%+12.24%+0.00B
2024-12-31$23M23+45.42%+24.89%+20.54%+0.01B
2024-09-30$13M19+30.55%+36.04%-5.48%-0.01B
2024-06-30$18M17+21.96%+24.49%-2.54%-0.00B
2024-03-31$18M21+25.50%+29.62%-4.13%+0.00B
2023-12-31$13M18+15.68%+26.18%-10.50%+0.00B
2023-09-30$12M17+13.62%+21.57%-7.95%-0.00B
2023-06-30$16M19+11.95%+19.42%-7.47%-0.00B
2023-03-31$16M24-13.47%-7.82%-5.65%-0.00B
2022-12-31$16M22-17.86%-18.17%+0.31%+0.00B
2022-09-30$12M14-12.24%-15.51%+3.27%-0.00B
2022-06-30$14M19+76.39%-10.62%+87.01%-0.00B