Jim Simons Renaissance Technologies
Jim Simons is the founder of Renaissance Technologies, one of the most successful quantitative hedge funds in the world. Before his career in finance, he served as a mathematics professor and made significant contributions to differential geometry. Simons applied his analytical expertise to develop sophisticated, algorithm-driven trading strategies, earning consistently high returns for investors.
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Costco
COST
|
+$616M |
| 2 |
Netflix
NFLX
|
+$481M |
| 3 |
Micron Technology
MU
|
+$416M |
| 4 |
Tesla
TSLA
|
+$416M |
| 5 |
Procter & Gamble
PG
|
+$322M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
NVIDIA
NVDA
|
+$885M |
| 2 |
Alphabet (Google) Class A
GOOGL
|
+$660M |
| 3 |
Alphabet (Google) Class C
GOOG
|
+$463M |
| 4 |
Applovin
APP
|
+$430M |
| 5 |
Meta Platforms (Facebook)
META
|
+$354M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 20.84% |
| 2 | Healthcare | 15.77% |
| 3 | Consumer Discretionary | 13.88% |
| 4 | Industrials | 9.94% |
| 5 | Financials | 8.79% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
2576
Vera Bradley
VRA
$94.7M
| $501K | ﹤0.01% |
207,216
+35,476
| +21% | +$82.4K |
|
2577
Oculis Holding
OCS
$709M
| $499K | ﹤0.01% |
+25,000
| New | +$500K |
|
|
ARTV
2578
Artiva Biotherapeutics
ARTV
$556M
| $498K | ﹤0.01% |
116,200
+37,053
| +47% | +$140K |
|
2579
Transcontinental Realty Investors
TCI
$326M
| $498K | ﹤0.01% |
8,500
| – | – |
|
2580
DocGo
DCGO
$66.2M
| $496K | ﹤0.01% |
565,535
+253,400
| +81% | +$271K |
|
2581
Fidelity D&D Bancorp
FDBC
$321M
| $496K | ﹤0.01% |
11,391
+200
| +2% | +$8.87K |
|
2582
SPDR Gold MiniShares Trust
GLDM
$29.8B
| $495K | ﹤0.01% |
5,800
-206,100
| -97% | -$16.9M |
|
2583
Invesco S&P 500 Equal Weight Technology ETF
RSPT
$6.06B
| $492K | ﹤0.01% |
10,800
+4,800
| +80% | +$218K |
|
2584
Comtech Telecommunications
CMTL
$52.4M
| $491K | ﹤0.01% |
92,800
-107,376
| -54% | -$350K |
|
2585
NETSCOUT
NTCT
$2.89B
| $490K | ﹤0.01% |
18,100
-53,500
| -75% | -$1.45M |
|
2586
Laird Superfood
LSF
$48.1M
| $485K | ﹤0.01% |
218,600
-64,600
| -23% | -$233K |
|
2587
Direxion Daily FTSE China Bear 3X ETF
YANG
$99.5M
| $485K | ﹤0.01% |
+19,300
| New | +$453K |
|
2588
Fidelity Nasdaq Composite Index ETF
ONEQ
$10.9B
| $484K | ﹤0.01% |
5,300
-11,099
| -68% | -$1.01M |
|
|
NP
2589
Neptune Insurance Holdings
NP
$4.37B
| $481K | ﹤0.01% |
+16,493
| New | +$434K |
|
2590
ALX Oncology
ALXO
$272M
| $478K | ﹤0.01% |
423,099
+258,600
| +157% | +$392K |
|
2591
NextCure
NXTC
$38.2M
| $477K | ﹤0.01% |
33,634
+5,300
| +19% | +$54.9K |
|
2592
CVD Equipment Corp
CVV
$53.1M
| $475K | ﹤0.01% |
153,882
-9,200
| -6% | -$32K |
|
2593
Synaptics
SYNA
$4.26B
| $474K | ﹤0.01% |
+6,400
| New | +$449K |
|
2594
AmpliTech
AMPG
$156M
| $473K | ﹤0.01% |
+158,200
| New | +$535K |
|
2595
Vanguard Global ex-US Real Estate ETF
VNQI
$3.53B
| $472K | ﹤0.01% |
10,300
-9,000
| -47% | -$425K |
|
2596
NN Inc
NNBR
$297M
| $470K | ﹤0.01% |
367,500
+273,500
| +291% | +$418K |
|
2597
Scilex Holding
SCLX
$47.8M
| $469K | ﹤0.01% |
38,464
+19,300
| +101% | +$326K |
|
2598
U-Haul Holding Co
UHAL
$14.5B
| $469K | ﹤0.01% |
+9,300
| New | +$495K |
|
2599
OptimumBank Holdings
OPHC
$115M
| $468K | ﹤0.01% |
110,200
+15,500
| +16% | +$63.9K |
|
2600
Heritage Global
HGBL
$37.9M
| $468K | ﹤0.01% |
377,517
+6,185
| +2% | +$8.59K |
|
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Jim Simons's Q4 2025 Portfolio in Review
As of Q4 2025, Jim Simons held 3,923 positions worth $64.5B, down 15% from $75.8B the previous quarter. Its ten largest holdings account for 12% of the portfolio.
Jim Simons withdrew a net $10.1B in Q4 2025, closing 737 positions and reducing 1,682 holdings. Its most notable exit was Meta Platforms (Facebook), an estimated $354M position sold in full.
By sector, the portfolio is most concentrated in Technology at 21% of assets, down from 22% a quarter earlier, followed by Healthcare and Consumer Discretionary.
Against the trend, Jim Simons opened a new position in ServiceNow worth $204M.
- Jim Simons's largest Q4 2025 buy was ServiceNow: 1,331,977 shares worth $204M.
- Jim Simons added most to Costco in Q4 2025, an estimated $616M increase.
- Jim Simons's biggest Q4 2025 reduction was NVIDIA, cutting an estimated $885M.
- Jim Simons fully exited Meta Platforms (Facebook) in Q4 2025, selling an estimated $354M.
- Jim Simons's ten largest holdings make up 12% of its $64.5B portfolio in Q4 2025.
- Jim Simons opened 466 new positions and closed 737 in Q4 2025.
- Jim Simons's portfolio value fell 15% quarter-over-quarter to $64.5B.
Based on Renaissance Technologies's 13F filing for Q4 2025, filed 12 Feb 2026.