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 | |
|---|---|---|---|---|---|---|
2626
Barnes & Noble Education
BNED
$418M
| $755K | ﹤0.01% |
75,900
-35,000
| -32% | -$326K |
|
|
KREF
2627
KKR Real Estate Finance Trust
KREF
$501M
| $753K | ﹤0.01% |
83,674
-141,273
| -63% | -$1.31M |
|
2628
Business First Bancshares
BFST
$1.04B
| $751K | ﹤0.01% |
31,800
+2,100
| +7% | +$52K |
|
2629
Weyco Group
WEYS
$430M
| $747K | ﹤0.01% |
24,826
-2,400
| -9% | -$74K |
|
|
UHG
2630
DELISTED
United Homes Group
UHG
| $747K | ﹤0.01% |
180,800
+67,300
| +59% | +$264K |
|
2631
Comstock
LODE
$260M
| $746K | ﹤0.01% |
218,109
+168,601
| +341% | +$525K |
|
|
BLNE
2632
Beeline Holdings
BLNE
$32.7M
| $745K | ﹤0.01% |
+188,140
| New | +$414K |
|
|
OSG
2633
Octave Specialty Group
OSG
$218M
| $744K | ﹤0.01% |
89,200
-96,900
| -52% | -$819K |
|
2634
Network-1 Technologies
NTIP
$35.9M
| $744K | ﹤0.01% |
495,831
+14,587
| +3% | +$21.2K |
|
2635
Lake Shore Bancorp
LSBK
$135M
| $743K | ﹤0.01% |
+57,141
| New | +$767K |
|
2636
Purple Innovation
PRPL
$27.9M
| $742K | ﹤0.01% |
+31,762
| New | +$743K |
|
2637
Senseonics Holdings Inc
SENS
$417M
| $742K | ﹤0.01% |
85,087
-52,659
| -38% | -$508K |
|
|
TSE
2638
DELISTED
Trinseo
TSE
| $740K | ﹤0.01% |
314,700
+36,700
| +13% | +$95.4K |
|
2639
Vanguard FTSE Emerging Markets ETF
VWO
$125B
| $735K | ﹤0.01% |
13,570
-39,730
| -75% | -$2.05M |
|
|
VTYX
2640
DELISTED
Ventyx Biosciences
VTYX
| $731K | ﹤0.01% |
235,000
+163,700
| +230% | +$434K |
|
2641
Mesa Laboratories
MLAB
$611M
| $730K | ﹤0.01% |
10,900
-57,127
| -84% | -$4.11M |
|
2642
Universal Electronics
UEIC
$68.4M
| $730K | ﹤0.01% |
156,723
+48,900
| +45% | +$269K |
|
2643
CareCloud
CCLD
$106M
| $730K | ﹤0.01% |
227,500
+84,200
| +59% | +$244K |
|
|
UBFO
2644
DELISTED
United Security Bancshares
UBFO
| $730K | ﹤0.01% |
78,248
-13,800
| -15% | -$125K |
|
2645
AMC Global Media
AMCX
$503M
| $723K | ﹤0.01% |
87,800
+34,300
| +64% | +$238K |
|
2646
Bunge Global
BG
$21.7B
| $723K | ﹤0.01% |
8,900
-162,200
| -95% | -$13M |
|
2647
National Bankshares
NKSH
$273M
| $720K | ﹤0.01% |
24,470
+400
| +2% | +$11.8K |
|
2648
YieldMax TSLA Option Income Strategy ETF
TSLY
$672M
| $718K | ﹤0.01% |
+15,220
| New | +$614K |
|
2649
FlexShares Global Upstream Natural Resources Index Fund
GUNR
$7.04B
| $714K | ﹤0.01% |
+16,300
| New | +$684K |
|
2650
Vor Biopharma
VOR
$1.36B
| $711K | ﹤0.01% |
14,600
-8,806
| -38% | -$354K |
|
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.