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 | |
|---|---|---|---|---|---|---|
2701
B&G Foods
BGS
$294M
| $366K | ﹤0.01% |
+85,000
| New | +$380K |
|
2702
Simulations Plus
SLP
$370M
| $365K | ﹤0.01% |
+20,000
| New | +$351K |
|
2703
Interlink Electronics
LINK
$86.6M
| $364K | ﹤0.01% |
93,770
+40,076
| +75% | +$207K |
|
2704
OptimizeRx
OPRX
$155M
| $363K | ﹤0.01% |
29,578
-78,322
| -73% | -$1.28M |
|
2705
Oil States International
OIS
$531M
| $362K | ﹤0.01% |
53,400
-77,500
| -59% | -$498K |
|
|
CLPR
2706
Clipper Realty
CLPR
$52.7M
| $360K | ﹤0.01% |
94,257
-16,200
| -15% | -$60.5K |
|
2707
Hyperfine
HYPR
$96.4M
| $357K | ﹤0.01% |
364,743
+317,645
| +674% | +$383K |
|
2708
Rapid7
RPD
$867M
| $357K | ﹤0.01% |
+23,496
| New | +$387K |
|
2709
Truist Financial
TFC
$64.7B
| $355K | ﹤0.01% |
+7,217
| New | +$332K |
|
2710
PACS Group
PACS
$7.3B
| $353K | ﹤0.01% |
9,200
-80,600
| -90% | -$1.77M |
|
|
TRON
2711
Tron Inc
TRON
$764M
| $348K | ﹤0.01% |
+280,309
| New | +$633K |
|
2712
JPMorgan US Quality Factor ETF
JQUA
$8.62B
| $347K | ﹤0.01% |
5,500
-7,500
| -58% | -$471K |
|
2713
iShares International Select Dividend ETF
IDV
$8.53B
| $347K | ﹤0.01% |
+8,800
| New | +$334K |
|
2714
iShares Core MSCI Total International Stock ETF
IXUS
$60.8B
| $347K | ﹤0.01% |
+4,100
| New | +$344K |
|
2715
Retractable Technologies
RVP
$20.2M
| $345K | ﹤0.01% |
447,007
+19,443
| +5% | +$16.8K |
|
2716
Mammoth Energy Services
TUSK
$156M
| $344K | ﹤0.01% |
186,072
+52,100
| +39% | +$105K |
|
2717
Direxion NASDAQ-100 Equal Weighted Index ETF
QQQE
$1.44B
| $338K | ﹤0.01% |
+3,300
| New | +$338K |
|
|
ZKH
2718
ZKH Group
ZKH
$463M
| $337K | ﹤0.01% |
91,500
+74,621
| +442% | +$232K |
|
|
XXRP
2719
Teucrium 2x Long Daily XRP ETF
XXRP
$77.1M
| $336K | ﹤0.01% |
+3,520
| New | +$653K |
|
2720
Rapid Micro Biosystems
RPID
$85.8M
| $335K | ﹤0.01% |
115,627
+5,440
| +5% | +$18.9K |
|
2721
Upland Software
UPLD
$17.6M
| $335K | ﹤0.01% |
23,409
-2,362
| -9% | -$45K |
|
2722
Lantern Pharma
LTRN
$33.6M
| $335K | ﹤0.01% |
110,400
+10,300
| +10% | +$38.3K |
|
2723
Precipio
PRPO
$40.7M
| $333K | ﹤0.01% |
14,500
+1,400
| +11% | +$30.5K |
|
2724
Avalo Therapeutics
AVTX
$1.05B
| $332K | ﹤0.01% |
18,300
-80,400
| -81% | -$1.36M |
|
2725
Capital Group International Focus Equity ETF
CGXU
$6.63B
| $331K | ﹤0.01% |
+11,200
| New | +$337K |
|
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.