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 | |
|---|---|---|---|---|---|---|
2601
Prelude Therapeutics
PRLD
$435M
| $783K | ﹤0.01% |
544,000
-37,800
| -6% | -$37.9K |
|
2602
Advance Auto Parts
AAP
$3.41B
| $783K | ﹤0.01% |
12,750
-102,500
| -89% | -$6.06M |
|
2603
Solitario Resources
XPL
$74.8M
| $780K | ﹤0.01% |
1,117,671
+254,141
| +29% | +$184K |
|
2604
Skillsoft
SKIL
$77.5M
| $780K | ﹤0.01% |
59,880
-5,900
| -9% | -$86.6K |
|
2605
Kornit Digital
KRNT
$777M
| $779K | ﹤0.01% |
57,700
-48,200
| -46% | -$819K |
|
2606
InnovAge Holding
INNV
$1.46B
| $779K | ﹤0.01% |
150,900
+2,600
| +2% | +$10.5K |
|
2607
Vinci Compass Investments Ltd
VINP
$625M
| $775K | ﹤0.01% |
72,132
+800
| +1% | +$7.95K |
|
2608
Crown Crafts
CRWS
$30.5M
| $775K | ﹤0.01% |
266,442
-13,888
| -5% | -$40.5K |
|
2609
iShares International Treasury Bond ETF
IGOV
$1.54B
| $775K | ﹤0.01% |
18,200
-6,900
| -27% | -$293K |
|
2610
First Trust Natural Gas ETF
FCG
$648M
| $775K | ﹤0.01% |
33,000
+17,600
| +114% | +$412K |
|
2611
Yatra Online
YTRA
$55.8M
| $774K | ﹤0.01% |
553,134
+38,698
| +8% | +$46.9K |
|
2612
Research Solutions
RSSS
$77.3M
| $770K | ﹤0.01% |
206,444
-1,386
| -0.7% | -$4.25K |
|
2613
Algoma Steel
ASTL
$453M
| $769K | ﹤0.01% |
216,333
+158,933
| +277% | +$844K |
|
2614
Identive
INVE
$61.9M
| $766K | ﹤0.01% |
222,160
+91,478
| +70% | +$328K |
|
2615
iShares MSCI Emerging Markets Min Vol Factor ETF
EEMV
$3.61B
| $766K | ﹤0.01% |
12,000
+1,100
| +10% | +$69.6K |
|
2616
Caledonia Mining Corp
CMCL
$437M
| $765K | ﹤0.01% |
21,127
-3,717
| -15% | -$94.5K |
|
2617
Koppers
KOP
$888M
| $764K | ﹤0.01% |
27,300
+1,300
| +5% | +$40K |
|
2618
Quince Therapeutics
QNCX
$35.6M
| $764K | ﹤0.01% |
2,343
+444
| +23% | +$148K |
|
2619
Voya Financial
VOYA
$9.17B
| $763K | ﹤0.01% |
10,200
-68,400
| -87% | -$5.04M |
|
2620
ArcBest
ARCB
$3.23B
| $762K | ﹤0.01% |
+10,900
| New | +$820K |
|
|
GLDG
2621
GoldMining Inc
GLDG
$228M
| $761K | ﹤0.01% |
618,700
+197,770
| +47% | +$183K |
|
2622
Immersion
IMMR
$250M
| $760K | ﹤0.01% |
+103,513
| New | +$751K |
|
|
DOG
2623
ProShares Short Dow30
DOG
$87.4M
| $759K | ﹤0.01% |
31,200
+2,900
| +10% | +$72.8K |
|
2624
Codexis
CDXS
$171M
| $758K | ﹤0.01% |
310,486
-445,000
| -59% | -$1.21M |
|
2625
iShares Broad USD Investment Grade Corporate Bond ETF
USIG
$17.3B
| $757K | ﹤0.01% |
14,500
-40,900
| -74% | -$2.11M |
|
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.