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 | |
|---|---|---|---|---|---|---|
2576
Outdoor Holding Co
POWW
$259M
| $836K | ﹤0.01% |
565,200
-5,100
| -0.9% | -$6.8K |
|
2577
Virginia National Bankshares
VABK
$254M
| $834K | ﹤0.01% |
21,500
+7,600
| +55% | +$295K |
|
2578
Natural Alternatives International
NAII
$13.8M
| $833K | ﹤0.01% |
291,856
-5,800
| -2% | -$20.3K |
|
2579
MDU Resources
MDU
$4.36B
| $833K | ﹤0.01% |
46,750
-139,050
| -75% | -$2.32M |
|
2580
Tradr 1.25X NVDA Bear Daily ETF
NVDS
$12.5M
| $824K | ﹤0.01% |
+24,800
| New | +$924K |
|
2581
Vanguard Morningstar Mid-Cap Value ETF
VOE
$24.6B
| $821K | ﹤0.01% |
4,700
-18,500
| -80% | -$3.15M |
|
2582
Sensus Healthcare
SRTS
$47.7M
| $820K | ﹤0.01% |
261,134
+11,000
| +4% | +$43.2K |
|
2583
JPMorgan US Quality Factor ETF
JQUA
$8.63B
| $818K | ﹤0.01% |
13,000
-15,700
| -55% | -$964K |
|
2584
Kenon Holdings
KEN
$3.45B
| $818K | ﹤0.01% |
18,100
| – | – |
|
2585
Aemetis
AMTX
$128M
| $817K | ﹤0.01% |
+363,001
| New | +$964K |
|
2586
Gaia
GAIA
$37.4M
| $815K | ﹤0.01% |
137,700
-4,000
| -3% | -$20K |
|
|
QIPT
2587
DELISTED
Quipt Home Medical
QIPT
| $810K | ﹤0.01% |
310,500
+39,400
| +15% | +$91K |
|
2588
Passage Bio
PASG
$14.6M
| $809K | ﹤0.01% |
100,789
+29,969
| +42% | +$209K |
|
|
MCHB
2589
Mechanics Bancorp
MCHB
$3.78B
| $808K | ﹤0.01% |
+60,700
| New | +$808K |
|
|
INR
2590
Infinity Natural Resources
INR
$265M
| $805K | ﹤0.01% |
61,400
-99,900
| -62% | -$1.43M |
|
2591
JPMorgan BetaBuilders Developed Asia Pacific-ex Japan ETF
BBAX
$6.75B
| $800K | ﹤0.01% |
14,200
+5,200
| +58% | +$291K |
|
|
2592
Apple
AAPL
$4.45T
| $798K | ﹤0.01% |
3,125
-2,283,137
| -100% | -$516M |
|
2593
iShares Russell 1000 Value ETF
IWD
$84.3B
| $794K | ﹤0.01% |
3,900
-21,900
| -85% | -$4.36M |
|
2594
Oil States International
OIS
$544M
| $793K | ﹤0.01% |
130,900
-6,600
| -5% | -$36.2K |
|
2595
Energy Services of America
ESOA
$240M
| $791K | ﹤0.01% |
76,400
-9,300
| -11% | -$93.9K |
|
|
BZUN
2596
Baozun
BZUN
$167M
| $790K | ﹤0.01% |
195,016
-5,000
| -2% | -$16.2K |
|
2597
MIND Technology
MIND
$42.3M
| $789K | ﹤0.01% |
97,540
-96,300
| -50% | -$866K |
|
2598
PRA Group
PRAA
$777M
| $789K | ﹤0.01% |
51,100
-72,400
| -59% | -$1.17M |
|
|
DGXX
2599
Digi Power X Inc
DGXX
$389M
| $785K | ﹤0.01% |
+342,700
| New | +$923K |
|
2600
iShares Global Tech ETF
IXN
$9.41B
| $784K | ﹤0.01% |
7,600
+2,000
| +36% | +$193K |
|
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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.