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 | |
|---|---|---|---|---|---|---|
1251
OppFi
OPFI
$620M
| $7.41M | 0.01% |
653,815
-44,800
| -6% | -$503K |
|
1252
Green Brick Partners
GRBK
$3.03B
| $7.4M | 0.01% |
100,209
-46,900
| -32% | -$3.2M |
|
1253
Savers
SVV
$1.64B
| $7.38M | 0.01% |
556,622
+244,022
| +78% | +$2.81M |
|
1254
Zymeworks
ZYME
$1.77B
| $7.37M | 0.01% |
431,700
-101,600
| -19% | -$1.45M |
|
1255
SI-BONE Inc
SIBN
$847M
| $7.36M | 0.01% |
499,700
+80,000
| +19% | +$1.31M |
|
1256
Yum! Brands
YUM
$40.9B
| $7.34M | 0.01% |
48,300
-455,300
| -90% | -$67M |
|
1257
Hayward Holdings
HAYW
$3.23B
| $7.34M | 0.01% |
485,447
+447,600
| +1,183% | +$6.86M |
|
1258
Vornado Realty Trust
VNO
$7.31B
| $7.33M | 0.01% |
180,799
-130,900
| -42% | -$5.1M |
|
1259
Frequency Electronics
FEIM
$859M
| $7.33M | 0.01% |
216,061
-49,000
| -18% | -$1.36M |
|
1260
Ichor Holdings
ICHR
$2.65B
| $7.32M | 0.01% |
+417,900
| New | +$7.94M |
|
1261
Universal Insurance Holdings
UVE
$1.18B
| $7.31M | 0.01% |
278,100
-108,400
| -28% | -$2.68M |
|
1262
Select Water Solutions
WTTR
$2.72B
| $7.29M | 0.01% |
682,076
-38,300
| -5% | -$350K |
|
1263
Unifirst Corp
UNF
$5.2B
| $7.27M | 0.01% |
43,500
+11,400
| +36% | +$1.98M |
|
1264
ProShares Trust UltraShort Lehman 20+ Year Treasury
TBT
$310M
| $7.26M | 0.01% |
214,900
+120,600
| +128% | +$4.29M |
|
1265
OraSure Technologies
OSUR
$270M
| $7.26M | 0.01% |
2,261,103
-15,200
| -0.7% | -$47.7K |
|
1266
First Business Financial Services
FBIZ
$600M
| $7.26M | 0.01% |
141,565
-9,100
| -6% | -$466K |
|
1267
Talkspace
TALK
$871M
| $7.25M | 0.01% |
2,626,900
-99,800
| -4% | -$258K |
|
1268
Ethan Allen Interiors
ETD
$578M
| $7.25M | 0.01% |
246,100
+10,400
| +4% | +$307K |
|
1269
FMC
FMC
$1.27B
| $7.25M | 0.01% |
215,500
+186,400
| +641% | +$7.27M |
|
1270
Hope Bancorp
HOPE
$1.86B
| $7.24M | 0.01% |
672,028
-23,000
| -3% | -$249K |
|
1271
Friedman Industries
FRD
$330M
| $7.22M | 0.01% |
329,882
+2,000
| +0.6% | +$36.6K |
|
1272
Cogent Communications
CCOI
$546M
| $7.21M | 0.01% |
187,987
-270,069
| -59% | -$11.3M |
|
1273
Aveanna Healthcare
AVAH
$2.57B
| $7.21M | 0.01% |
812,700
+482,800
| +146% | +$3.05M |
|
1274
iShares Bitcoin Trust
IBIT
$46.6B
| $7.2M | 0.01% |
110,800
-4,800
| -4% | -$312K |
|
1275
Yext
YEXT
$595M
| $7.18M | 0.01% |
843,100
+299,300
| +55% | +$2.54M |
|
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.