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 | |
|---|---|---|---|---|---|---|
|
GGRP
3001
Glimpse Group
GGRP
$19.5M
| $298K | ﹤0.01% |
181,633
+66,175
| +57% | +$98K |
|
3002
Workhorse Group
WKHS
$33.7M
| $298K | ﹤0.01% |
+22,542
| New | +$444K |
|
3003
Lucid Diagnostics
LUCD
$188M
| $297K | ﹤0.01% |
293,633
+50,354
| +21% | +$55K |
|
3004
CPI Card Group
PMTS
$341M
| $297K | ﹤0.01% |
19,587
-29,413
| -60% | -$523K |
|
|
FLX
3005
BingEx Ltd
FLX
$151M
| $296K | ﹤0.01% |
92,209
+62,609
| +212% | +$199K |
|
|
BZAI
3006
Blaize Holdings
BZAI
$166M
| $295K | ﹤0.01% |
+85,400
| New | +$304K |
|
3007
Lam Research
LRCX
$422B
| $295K | ﹤0.01% |
+2,200
| New | +$233K |
|
3008
Emerson Radio
MSN
$7.99M
| $294K | ﹤0.01% |
675,088
-7,800
| -1% | -$3.31K |
|
|
SUNS
3009
Sunrise Realty Trust
SUNS
$102M
| $292K | ﹤0.01% |
28,100
-197
| -0.7% | -$2.12K |
|
3010
Curis
CRIS
$3.91M
| $291K | ﹤0.01% |
8,776
+3,752
| +75% | +$130K |
|
|
ZYXI
3011
DELISTED
Zynex
ZYXI
| $289K | ﹤0.01% |
199,562
+27,300
| +16% | +$50.1K |
|
3012
Eaton Vance Total Return Bond ETF
EVTR
$5.74B
| $288K | ﹤0.01% |
+5,600
| New | +$286K |
|
3013
Scully Royalty
SRL
$90.9M
| $287K | ﹤0.01% |
47,814
-5,600
| -10% | -$31.9K |
|
|
IRD
3014
Opus Genetics
IRD
$313M
| $287K | ﹤0.01% |
173,809
+20,500
| +13% | +$25.5K |
|
3015
Star Holdings Shares of Beneficial Interest
STHO
$117M
| $286K | ﹤0.01% |
34,799
+400
| +1% | +$3.25K |
|
3016
Better Home & Finance Holding
BETR
$21.6M
| $286K | ﹤0.01% |
5,100
-9,352
| -65% | -$208K |
|
3017
Vanguard Morningstar Growth ETF
VUG
$231B
| $286K | ﹤0.01% |
3,576
-10,224
| -74% | -$781K |
|
3018
W&T Offshore
WTI
$546M
| $286K | ﹤0.01% |
156,900
-447,896
| -74% | -$796K |
|
3019
Alset
AEI
$43.6M
| $284K | ﹤0.01% |
112,266
+5,500
| +5% | +$9.43K |
|
|
NINE
3020
DELISTED
Nine Energy Service
NINE
| $284K | ﹤0.01% |
449,336
-8,200
| -2% | -$5.85K |
|
3021
CS Disco
LAW
$280M
| $283K | ﹤0.01% |
43,800
+28,600
| +188% | +$143K |
|
3022
Inhibrx
INBX
$1.44B
| $283K | ﹤0.01% |
+8,400
| New | +$207K |
|
|
ONT
3023
Onterris Inc
ONT
$576M
| $283K | ﹤0.01% |
+10,300
| New | +$269K |
|
3024
JPMorgan Core Plus Bond ETF
JCPB
$14.2B
| $281K | ﹤0.01% |
5,900
-20,900
| -78% | -$984K |
|
3025
Tompkins Financial
TMP
$1.44B
| $280K | ﹤0.01% |
4,230
-3,083
| -42% | -$207K |
|
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.