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 | |
|---|---|---|---|---|---|---|
2951
BitFuFu
FUFU
$217M
| $143K | ﹤0.01% |
54,000
+10,700
| +25% | +$33.9K |
|
2952
HF Foods Group
HFFG
$99.2M
| $142K | ﹤0.01% |
65,900
+700
| +1% | +$1.69K |
|
2953
Dyadic International
DYAI
$32.1M
| $139K | ﹤0.01% |
147,615
-17,485
| -11% | -$17.7K |
|
|
WIMI
2954
WiMi Hologram Cloud
WIMI
$23.9M
| $138K | ﹤0.01% |
58,391
+4,000
| +7% | +$13.6K |
|
|
TSE
2955
DELISTED
Trinseo
TSE
| $137K | ﹤0.01% |
276,100
-38,600
| -12% | -$46K |
|
2956
PDS Biotechnology
PDSB
$13.5M
| $136K | ﹤0.01% |
176,700
-99,161
| -36% | -$89.4K |
|
|
INV
2957
Innventure Inc
INV
$296M
| $134K | ﹤0.01% |
+32,000
| New | +$134K |
|
2958
Asia Pacific Wire & Cable
APWC
$65.6M
| $134K | ﹤0.01% |
71,690
-710
| -1% | -$1.32K |
|
2959
Atlantic American Corp
AAME
$30.2M
| $133K | ﹤0.01% |
46,919
+3,819
| +9% | +$10.5K |
|
2960
AEye
LIDR
$61.4M
| $132K | ﹤0.01% |
72,000
+53,500
| +289% | +$135K |
|
|
ASPSW
2961
Altisource Portfolio Solutions SA Net Settle Stakeholder Warrants
ASPSW
$13.7M
| $132K | ﹤0.01% |
322,722
-47,300
| -13% | -$25.8K |
|
2962
Gray Media Inc
GTN.A
$612M
| $132K | ﹤0.01% |
11,000
-1,200
| -10% | -$11.2K |
|
2963
Alvotech
ALVO
$1.36B
| $131K | ﹤0.01% |
25,600
-6,566
| -20% | -$41.5K |
|
|
TWAV
2964
TaoWeave Inc
TWAV
$5.35M
| $131K | ﹤0.01% |
72,400
+13,100
| +22% | +$31.5K |
|
|
BLNE
2965
Beeline Holdings
BLNE
$35.8M
| $130K | ﹤0.01% |
75,700
-112,440
| -60% | -$273K |
|
|
KG
2966
Kestrel Group
KG
$66.3M
| $130K | ﹤0.01% |
12,648
-3,100
| -20% | -$55.9K |
|
2967
United Maritime
USEA
$25.6M
| $128K | ﹤0.01% |
75,300
+65,100
| +638% | +$111K |
|
2968
Cerence
CRNC
$391M
| $128K | ﹤0.01% |
+11,968
| New | +$131K |
|
2969
Globus Maritime Ltd
GLBS
$77.9M
| $127K | ﹤0.01% |
+72,700
| New | +$97.7K |
|
|
IOBT
2970
DELISTED
IO Biotech
IOBT
| $126K | ﹤0.01% |
207,601
-339,714
| -62% | -$252K |
|
|
GRML
2971
Greenland Mines Ltd
GRML
$30.8M
| $126K | ﹤0.01% |
+434,575
| New | +$208K |
|
2972
Cocrystal Pharma
COCP
$15.4M
| $123K | ﹤0.01% |
126,028
-1,900
| -1% | -$2.01K |
|
|
CODX
2973
Co-Diagnostics
CODX
$5.45M
| $123K | ﹤0.01% |
24,344
-4,573
| -16% | -$49.8K |
|
2974
Traeger
COOK
$172M
| $123K | ﹤0.01% |
2,280
-1,845
| -45% | -$89.8K |
|
|
FTH
2975
Faeth Therapeutics
FTH
$759M
| $123K | ﹤0.01% |
11,516
+1,100
| +11% | +$10.6K |
|
Similar funds
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.