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 | |
|---|---|---|---|---|---|---|
2876
SelectQuote
SLQT
$126M
| $403K | ﹤0.01% |
205,700
-650,300
| -76% | -$1.38M |
|
|
BBUC
2877
Brookfield Business Corp Class A Subordinate Voting Shares
BBUC
$6.01B
| $402K | ﹤0.01% |
12,000
-16,700
| -58% | -$540K |
|
|
HERE
2878
Here Group Ltd
HERE
$102M
| $402K | ﹤0.01% |
44,600
-371,100
| -89% | -$3.29M |
|
2879
America's Car Mart
CRMT
$26.2M
| $402K | ﹤0.01% |
13,772
-16,800
| -55% | -$760K |
|
2880
Barnwell Industries
BRN
$13.9M
| $401K | ﹤0.01% |
308,650
+4,325
| +1% | +$5.05K |
|
2881
RenovoRx
RNXT
$56.8M
| $398K | ﹤0.01% |
313,550
+61,750
| +25% | +$73.4K |
|
2882
Daxor
DXR
$59.5M
| $398K | ﹤0.01% |
28,921
+900
| +3% | +$9.56K |
|
2883
Invesco S&P SmallCap Momentum ETF
XSMO
$3.11B
| $397K | ﹤0.01% |
5,400
-1,600
| -23% | -$113K |
|
2884
Mid Penn Bancorp
MPB
$969M
| $397K | ﹤0.01% |
13,867
-50,031
| -78% | -$1.46M |
|
|
ELSE
2885
DELISTED
Electro-Sensors
ELSE
| $396K | ﹤0.01% |
82,900
-1,700
| -2% | -$7.98K |
|
2886
Metagenomi Therapeutics
MGX
$46.5M
| $396K | ﹤0.01% |
167,000
+48,000
| +40% | +$97.4K |
|
2887
iShares Mortgage Real Estate ETF
REM
$547M
| $395K | ﹤0.01% |
+18,000
| New | +$401K |
|
2888
Magyar Bancorp
MGYR
$126M
| $395K | ﹤0.01% |
22,886
+1,797
| +9% | +$30.7K |
|
|
RKTO
2889
Rocket One Inc
RKTO
$19.3M
| $395K | ﹤0.01% |
+243,921
| New | +$345K |
|
2890
Lexicon Pharmaceuticals
LXRX
$1.04B
| $395K | ﹤0.01% |
+292,400
| New | +$332K |
|
2891
Oramed Pharmaceuticals
ORMP
$178M
| $393K | ﹤0.01% |
148,900
+4,700
| +3% | +$10.4K |
|
2892
Transcontinental Realty Investors
TCI
$318M
| $392K | ﹤0.01% |
8,500
+100
| +1% | +$4.46K |
|
2893
Lifetime Brands
LCUT
$219M
| $390K | ﹤0.01% |
100,851
+1,400
| +1% | +$5.96K |
|
2894
Nephros
NEPH
$47.4M
| $390K | ﹤0.01% |
82,500
+71,600
| +657% | +$281K |
|
2895
Central Plains Bancshares
CPBI
$87.6M
| $390K | ﹤0.01% |
23,900
+1,400
| +6% | +$21.6K |
|
2896
OptimumBank Holdings
OPHC
$113M
| $388K | ﹤0.01% |
94,700
-5,700
| -6% | -$24.9K |
|
2897
First Trust SMID Cap Rising Dividend Achievers ETF
SDVY
$11.8B
| $388K | ﹤0.01% |
10,200
-28,500
| -74% | -$1.06M |
|
2898
Genasys
GNSS
$77.4M
| $388K | ﹤0.01% |
158,236
-96,800
| -38% | -$190K |
|
|
HYFT
2899
MindWalk Holdings
HYFT
$65.3M
| $386K | ﹤0.01% |
220,480
+180,000
| +445% | +$352K |
|
2900
The GEO Group
GEO
$4B
| $383K | ﹤0.01% |
18,691
-5,500
| -23% | -$126K |
|
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.