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 | |
|---|---|---|---|---|---|---|
2651
iShares US Healthcare ETF
IYH
$3.75B
| $711K | ﹤0.01% |
12,100
-11,200
| -48% | -$638K |
|
2652
Katapult Holdings
KPLT
$35.4M
| $710K | ﹤0.01% |
59,400
+29,900
| +101% | +$429K |
|
|
TAIT
2653
DELISTED
Taitron Components
TAIT
| $710K | ﹤0.01% |
286,139
+24,699
| +9% | +$56.7K |
|
2654
Hyliion Holdings
HYLN
$750M
| $708K | ﹤0.01% |
359,300
-955,799
| -73% | -$1.59M |
|
|
BNT
2655
Brookfield Wealth Solutions
BNT
$11.9B
| $706K | ﹤0.01% |
15,458
+4,208
| +37% | +$186K |
|
2656
Franklin Financial Services
FRAF
$290M
| $704K | ﹤0.01% |
15,300
-4,200
| -22% | -$181K |
|
2657
Oak Valley Bancorp
OVLY
$289M
| $703K | ﹤0.01% |
24,973
+700
| +3% | +$19.6K |
|
2658
Newmark Group
NMRK
$2.74B
| $699K | ﹤0.01% |
37,500
-12,445
| -25% | -$202K |
|
2659
Build-A-Bear
BBW
$484M
| $698K | ﹤0.01% |
10,709
-32,168
| -75% | -$1.9M |
|
2660
Pure Cycle
PCYO
$272M
| $696K | ﹤0.01% |
62,900
-9,600
| -13% | -$100K |
|
2661
A2Z Smart Technologies
AZ
$329M
| $695K | ﹤0.01% |
87,000
+17,100
| +24% | +$162K |
|
2662
Caesarstone
CSTE
$110M
| $690K | ﹤0.01% |
434,162
+29,500
| +7% | +$48.1K |
|
|
MRSN
2663
DELISTED
Mersana Therapeutics
MRSN
| $686K | ﹤0.01% |
88,465
-25,543
| -22% | -$192K |
|
2664
SB Financial Group
SBFG
$171M
| $685K | ﹤0.01% |
35,525
+13,392
| +61% | +$272K |
|
2665
JPMorgan Chase
JPM
$967B
| $684K | ﹤0.01% |
2,167
+89
| +4% | +$26.5K |
|
|
DAO
2666
Youdao
DAO
$2.19B
| $683K | ﹤0.01% |
68,700
+10,300
| +18% | +$92K |
|
2667
Limoneira
LMNR
$253M
| $680K | ﹤0.01% |
45,800
+6,123
| +15% | +$94.7K |
|
2668
Direxion Daily S&P 500 Bear 1X ETF
SPDN
$198M
| $679K | ﹤0.01% |
+70,700
| New | +$708K |
|
2669
Finance of America Companies
FOA
$207M
| $679K | ﹤0.01% |
30,287
-3,100
| -9% | -$77.4K |
|
|
QVCGA
2670
DELISTED
QVC Group Inc Series A
QVCGA
| $679K | ﹤0.01% |
50,331
+5,800
| +13% | +$37.8K |
|
|
AEVA
2671
Aeva Technologies
AEVA
$1.63B
| $679K | ﹤0.01% |
+46,800
| New | +$887K |
|
2672
Altisource Portfolio Solutions
ASPS
$64.4M
| $678K | ﹤0.01% |
58,148
+1,900
| +3% | +$21.7K |
|
2673
GraniteShares ETF Trust GraniteShares 2x Long BABA Daily ETF
BABX
$102M
| $678K | ﹤0.01% |
+11,900
| New | +$388K |
|
2674
Expeditors International
EXPD
$24.4B
| $676K | ﹤0.01% |
5,516
-68,700
| -93% | -$8.17M |
|
2675
Montauk Renewables
MNTK
$265M
| $676K | ﹤0.01% |
336,400
-7,813
| -2% | -$16.7K |
|
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.