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 |
Alphabet (Google) Class A
GOOGL
|
+$546M |
| 2 |
Microsoft
MSFT
|
+$480M |
| 3 |
Alphabet (Google) Class C
GOOG
|
+$362M |
| 4 |
Meta Platforms (Facebook)
META
|
+$350M |
| 5 |
Coca-Cola
KO
|
+$266M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Robinhood
HOOD
|
+$1.04B |
| 2 |
Palantir
PLTR
|
+$800M |
| 3 |
Apple
AAPL
|
+$516M |
| 4 |
Netflix
NFLX
|
+$326M |
| 5 |
NVIDIA
NVDA
|
+$313M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 21.71% |
| 2 | Healthcare | 15.16% |
| 3 | Consumer Discretionary | 11.81% |
| 4 | Communication Services | 10.53% |
| 5 | Financials | 9.27% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
2551
Olema Pharmaceuticals
OLMA
$921M
| $882K | ﹤0.01% |
90,100
+31,300
| +53% | +$188K |
|
2552
Equillium
EQ
$141M
| $879K | ﹤0.01% |
614,923
+340,823
| +124% | +$360K |
|
|
ILPT
2553
Industrial Logistics Properties Trust
ILPT
$595M
| $877K | ﹤0.01% |
150,500
+18,100
| +14% | +$104K |
|
2554
Expedia Group
EXPE
$39.8B
| $876K | ﹤0.01% |
+4,100
| New | +$823K |
|
2555
JPMorgan Active Value ETF
JAVA
$7.21B
| $876K | ﹤0.01% |
12,700
+8,900
| +234% | +$597K |
|
2556
Marcus & Millichap
MMI
$1.19B
| $875K | ﹤0.01% |
29,800
-55,200
| -65% | -$1.73M |
|
|
DEA
2557
Easterly Government Properties
DEA
$1.17B
| $873K | ﹤0.01% |
+38,066
| New | +$865K |
|
2558
Fidelity MSCI Health Care Index ETF
FHLC
$3.4B
| $869K | ﹤0.01% |
13,000
-6,300
| -33% | -$407K |
|
2559
MicroSectors FANG+ Index -3X Inverse Leveraged ETNs due January 8, 2038
FNGD
$320M
| $869K | ﹤0.01% |
+16,977
| New | +$1.01M |
|
|
WHWK
2560
Whitehawk Therapeutics
WHWK
$253M
| $869K | ﹤0.01% |
457,422
-800
| -0.2% | -$1.47K |
|
2561
Denali Therapeutics
DNLI
$3.91B
| $868K | ﹤0.01% |
59,800
-135,900
| -69% | -$1.95M |
|
2562
Infosys
INFY
$49.1B
| $866K | ﹤0.01% |
53,200
-3,083,976
| -98% | -$53.1M |
|
2563
Inseego
INSG
$77.2M
| $864K | ﹤0.01% |
57,746
-20,895
| -27% | -$210K |
|
2564
Optical Cable Corp
OCC
$159M
| $863K | ﹤0.01% |
106,303
+12,080
| +13% | +$73.8K |
|
2565
8x8 Inc
EGHT
$295M
| $863K | ﹤0.01% |
407,095
+118,000
| +41% | +$237K |
|
2566
Xtrackers S&P 500 ESG ETF
SNPE
$2.79B
| $858K | ﹤0.01% |
+14,300
| New | +$823K |
|
2567
Energy Recovery
ERII
$414M
| $857K | ﹤0.01% |
55,600
-85,500
| -61% | -$1.21M |
|
2568
Nautilus Biotechnolgy
NAUT
$115M
| $851K | ﹤0.01% |
1,007,662
+387,756
| +63% | +$285K |
|
|
ASM
2569
Avino Silver & Gold Mines
ASM
$1.24B
| $849K | ﹤0.01% |
161,800
-501,700
| -76% | -$2.02M |
|
2570
Old Second Bancorp
OSBC
$1.32B
| $849K | ﹤0.01% |
49,125
-33,600
| -41% | -$605K |
|
2571
Northern Technologies International Corp
NTIC
$77.3M
| $847K | ﹤0.01% |
109,877
+5,000
| +5% | +$38.9K |
|
|
RHLD
2572
Resolute Holdings Management
RHLD
$1.09B
| $844K | ﹤0.01% |
+11,691
| New | +$632K |
|
|
APPX
2573
Tradr 2X Long APP Daily ETF
APPX
$67.4M
| $842K | ﹤0.01% |
+5,700
| New | +$381K |
|
|
BIOA
2574
BioAge Labs
BIOA
$479M
| $841K | ﹤0.01% |
143,000
+53,704
| +60% | +$251K |
|
2575
OmniAb
OABI
$493M
| $838K | ﹤0.01% |
523,454
-184,096
| -26% | -$336K |
|
Similar funds
Jim Simons's Q3 2025 Portfolio in Review
As of Q3 2025, Jim Simons held 4,038 positions worth $75.8B, up 0.77% from $75.2B the previous quarter. Its ten largest holdings account for 11% of the portfolio.
Jim Simons withdrew a net $5.41B in Q3 2025, closing 581 positions and reducing 1,457 holdings. Its most notable exit was GE Aerospace, an estimated $235M position sold in full.
By sector, the portfolio is most concentrated in Technology at 22% of assets, up from 20% a quarter earlier, followed by Healthcare and Consumer Discretionary.
Against the trend, Jim Simons opened a new position in Alphabet (Google) Class C worth $419M.
- Jim Simons's largest Q3 2025 buy was Alphabet (Google) Class C: 1,720,002 shares worth $419M.
- Jim Simons added most to Alphabet (Google) Class A in Q3 2025, an estimated $546M increase.
- Jim Simons's biggest Q3 2025 reduction was Robinhood, cutting an estimated $1.04B.
- Jim Simons fully exited GE Aerospace in Q3 2025, selling an estimated $235M.
- Jim Simons's ten largest holdings make up 11% of its $75.8B portfolio in Q3 2025.
- Jim Simons opened 516 new positions and closed 581 in Q3 2025.
- Jim Simons's portfolio value rose 0.77% quarter-over-quarter to $75.8B.
Based on Renaissance Technologies's 13F filing for Q3 2025, filed 13 Nov 2025.