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 | |
|---|---|---|---|---|---|---|
2651
Chicago Rivet & Machine Co
CVR
$9.98M
| $408K | ﹤0.01% |
29,310
-2,100
| -7% | -$22.2K |
|
2652
IZEA Worldwide
IZEA
$53.1M
| $405K | ﹤0.01% |
92,440
-49,959
| -35% | -$243K |
|
2653
Performance Shipping
PSHG
$21.8M
| $405K | ﹤0.01% |
189,948
+53,248
| +39% | +$113K |
|
2654
Central Plains Bancshares
CPBI
$87.6M
| $404K | ﹤0.01% |
23,900
| – | – |
|
|
CNTB
2655
Connect Biopharma Holdings
CNTB
$159M
| $404K | ﹤0.01% |
143,100
-15,100
| -10% | -$32.2K |
|
2656
Lifetime Brands
LCUT
$223M
| $403K | ﹤0.01% |
102,151
+1,300
| +1% | +$4.78K |
|
2657
Alamo Group
ALG
$2.01B
| $403K | ﹤0.01% |
2,400
-26,000
| -92% | -$4.53M |
|
2658
Spire Global
SPIR
$550M
| $403K | ﹤0.01% |
+53,700
| New | +$525K |
|
2659
Meridian
MRBK
$240M
| $403K | ﹤0.01% |
22,900
-39,700
| -63% | -$620K |
|
2660
BioAtla
BCAB
$5.54M
| $401K | ﹤0.01% |
14,144
-1,869
| -12% | -$73.3K |
|
2661
Capital Group Growth ETF
CGGR
$25.3B
| $400K | ﹤0.01% |
9,000
-12,400
| -58% | -$547K |
|
2662
Tyson Foods
TSN
$19.8B
| $399K | ﹤0.01% |
6,800
-383,000
| -98% | -$21M |
|
2663
Altisource Portfolio Solutions
ASPS
$62.9M
| $396K | ﹤0.01% |
57,048
-1,100
| -2% | -$10.4K |
|
2664
Ceragon Networks
CRNT
$201M
| $396K | ﹤0.01% |
188,700
-52,800
| -22% | -$118K |
|
2665
Hyliion Holdings
HYLN
$759M
| $394K | ﹤0.01% |
214,100
-145,200
| -40% | -$292K |
|
2666
iShares ESG Aware MSCI EM ETF
ESGE
$6.87B
| $393K | ﹤0.01% |
8,900
-25,400
| -74% | -$1.12M |
|
2667
Avantis US Equity ETF
AVUS
$14.4B
| $391K | ﹤0.01% |
3,500
-11,300
| -76% | -$1.24M |
|
|
LGCY
2668
Legacy Education Inc
LGCY
$135M
| $391K | ﹤0.01% |
38,372
-15,728
| -29% | -$151K |
|
2669
RCI Hospitality Holdings
RICK
$227M
| $391K | ﹤0.01% |
16,384
-49,119
| -75% | -$1.26M |
|
|
TEMT
2670
Tradr 2X Long TEM Daily ETF
TEMT
$39.4M
| $390K | ﹤0.01% |
11,367
-3,666
| -24% | -$303K |
|
2671
Rockwell Medical
RMTI
$29M
| $390K | ﹤0.01% |
46,832
-9,389
| -17% | -$94.7K |
|
2672
Magyar Bancorp
MGYR
$125M
| $390K | ﹤0.01% |
22,586
-300
| -1% | -$5.1K |
|
2673
ProShares Ultra Russell2000
UWM
$249M
| $390K | ﹤0.01% |
+8,300
| New | +$393K |
|
2674
PLAYSTUDIOS Inc
MYPS
$67.3M
| $388K | ﹤0.01% |
596,170
+40,200
| +7% | +$31.3K |
|
2675
Coya Therapeutics
COYA
$111M
| $388K | ﹤0.01% |
66,900
+32,100
| +92% | +$195K |
|
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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.