Institutional Manager · CIK 0001103738
Gruss & Co., LLC
WEST PALM BEACH, FL · File #028-05569
Latest AUM
$45.5M
Positions
35
Top-10 Concentration
78.5%
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 |
|---|---|---|---|---|---|
| REDUCE | SPDR GOLD TR | GLD | -7,000 | -$2.8M | +$2.3M |
| NEW | ISHARES TR | 464287234 | +37,000 | +$2.0M | $0 |
| NEW | RESERVOIR MEDIA INC | RSVRW | +265,000 | +$2.0M | $0 |
| ADD | AMAZON COM INC | AMZN | +6,500 | +$1.5M | +$73,125 |
| NEW | WARNER BROS DISCOVERY INC | WBD | +37,500 | +$1.1M | $0 |
| NEW | ISHARES SILVER TR | SLV | +12,500 | +$805,250 | $0 |
| NEW | SELECT SECTOR SPDR TR | 81369Y829 | +17,500 | +$782,425 | $0 |
| EXITED | ADVANCED MICRO DEVICES INC | 007903107 | -3,500 | -$566,265 | $0 |
| EXITED | FRANCO NEV CORP | 351858105 | -2,500 | -$557,275 | $0 |
| NEW | NOVAGOLD RES INC | 66987E206 | +50,000 | +$466,000 | $0 |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 202535 pos · $45.5M
- 13F HOLDINGS REPORTQ/E Sep 202532 pos · $38.4M
- 13F HOLDINGS REPORTQ/E Jun 202520 pos · $21.4M
- 13F HOLDINGS REPORTQ/E Mar 202525 pos · $22.9M
- 13F HOLDINGS REPORTQ/E Dec 202423 pos · $23.4M
- 13F HOLDINGS REPORTQ/E Sep 202419 pos · $12.7M
- 13F HOLDINGS REPORTQ/E Jun 202417 pos · $18.4M
- 13F HOLDINGS REPORTQ/E Mar 202421 pos · $18.1M
- 13F HOLDINGS REPORTQ/E Dec 202317 pos · $11.8M
Top 20 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | SPDR GOLD TR | GLD | 49,000 | $19.4M | 42.70% |
| 2 | AMAZON COM INC | AMZN | 13,000 | $3.0M | 6.60% |
| 3 | MICROSOFT CORP | MSFT | 6,000 | $2.9M | 6.38% |
| 4 | ISHARES TR | 464288182 | 24,000 | $2.2M | 4.91% |
| 5 | ISHARES TR | 464287234 | 37,000 | $2.0M | 4.45% |
| 6 | RESERVOIR MEDIA INC | RSVRW | 265,000 | $2.0M | 4.41% |
| 7 | NVIDIA CORPORATION | NVDA | 6,000 | $1.1M | 2.46% |
| 8 | WARNER BROS DISCOVERY INC | WBD | 37,500 | $1.1M | 2.38% |
| 9 | META PLATFORMS INC | META | 1,500 | $990,135 | 2.18% |
| 10 | BLACK STONE MINERALS L P | BSMLP | 71,016 | $943,803 | 2.08% |
| 11 | ISHARES SILVER TR | SLV | 12,500 | $805,250 | 1.77% |
| 12 | SELECT SECTOR SPDR TR | 81369Y829 | 17,500 | $782,425 | 1.72% |
| 13 | APPLE INC | AAPL | 2,700 | $734,022 | 1.61% |
| 14 | INVESCO QQQ TR | IVZ | 1,000 | $614,310 | 1.35% |
| 15 | VANECK ETF TRUST | 92189F106 | 6,500 | $557,505 | 1.23% |
| 16 | ENTERPRISE PRODS PARTNERS L | 293792107 | 16,500 | $528,990 | 1.16% |
| 17 | BLOOM ENERGY CORP | BE | 5,500 | $477,895 | 1.05% |
| 18 | NOVAGOLD RES INC | 66987E206 | 50,000 | $466,000 | 1.02% |
| 19 | SPDR SERIES TRUST | 78464A870 | 3,500 | $426,755 | 0.94% |
| 20 | ENERGY TRANSFER L P | ET-PI | 25,000 | $412,250 | 0.91% |