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 | |
|---|---|---|---|---|---|---|
|
VRE
1051
DELISTED
Veris Residential
VRE
| $7.71M | 0.01% |
518,200
+279,400
| +117% | +$4.13M |
|
1052
Arcos Dorados Holdings
ARCO
$1.66B
| $7.71M | 0.01% |
1,049,734
+795,400
| +313% | +$5.72M |
|
1053
Invesco S&P 500 Equal Weight ETF
RSP
$100B
| $7.7M | 0.01% |
40,200
-400
| -1% | -$75.9K |
|
1054
NETGEAR
NTGR
$658M
| $7.69M | 0.01% |
313,619
-17,499
| -5% | -$503K |
|
1055
Polaris
PII
$3.9B
| $7.63M | 0.01% |
+120,700
| New | +$7.95M |
|
1056
iShares 0-5 Year TIPS Bond ETF
STIP
$15.9B
| $7.63M | 0.01% |
74,500
-459,900
| -86% | -$47.3M |
|
1057
Ciena
CIEN
$62.7B
| $7.62M | 0.01% |
+32,600
| New | +$6.32M |
|
1058
Eastern Bankshares
EBC
$5.34B
| $7.61M | 0.01% |
413,019
+304,715
| +281% | +$5.58M |
|
1059
First Bancorp
FBP
$4.46B
| $7.61M | 0.01% |
367,013
+134,424
| +58% | +$2.77M |
|
1060
State Street SPDR S&P Regional Banking ETF
KRE
$4.67B
| $7.6M | 0.01% |
117,300
-14,800
| -11% | -$930K |
|
1061
Algonquin Power & Utilities
AQN
$4.44B
| $7.6M | 0.01% |
1,234,992
-900,200
| -42% | -$5.35M |
|
1062
Ovintiv
OVV
$17.5B
| $7.58M | 0.01% |
193,328
-572,866
| -75% | -$22.2M |
|
1063
Mid-America Apartment Communities
MAA
$15.4B
| $7.56M | 0.01% |
54,453
-128,896
| -70% | -$17.2M |
|
1064
TKO Group
TKO
$14.3B
| $7.56M | 0.01% |
36,164
-639,690
| -95% | -$124M |
|
1065
Nexa Resources
NEXA
$1.9B
| $7.55M | 0.01% |
852,800
+466,500
| +121% | +$3.04M |
|
1066
Sotera Health
SHC
$5.39B
| $7.53M | 0.01% |
+426,778
| New | +$7.06M |
|
1067
Flowserve
FLS
$10.3B
| $7.49M | 0.01% |
107,900
-187,900
| -64% | -$12.1M |
|
|
GIFI
1068
DELISTED
Gulf Island Fabrication
GIFI
| $7.46M | 0.01% |
623,124
+44,898
| +8% | +$452K |
|
1069
GeneDx Holdings
WGS
$2.46B
| $7.45M | 0.01% |
+57,316
| New | +$7.87M |
|
1070
Lakeland Financial Corp
LKFN
$1.55B
| $7.43M | 0.01% |
130,229
+71,607
| +122% | +$4.26M |
|
1071
Burford Capital
BUR
$968M
| $7.42M | 0.01% |
832,000
+526,300
| +172% | +$5.15M |
|
1072
State Street Utilities Select Sector SPDR ETF
XLU
$22.9B
| $7.42M | 0.01% |
173,800
-360,000
| -67% | -$15.9M |
|
1073
Donegal Group Class A
DGICA
$692M
| $7.42M | 0.01% |
371,211
+5,800
| +2% | +$114K |
|
|
TIGR
1074
UP Fintech Holding
TIGR
$833M
| $7.41M | 0.01% |
775,500
+214,100
| +38% | +$2.04M |
|
1075
Biglari Holdings Class A
BH.A
$1.23B
| $7.36M | 0.01% |
4,230
+712
| +20% | +$1.18M |
|
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.