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 | |
|---|---|---|---|---|---|---|
2676
Rockwell Medical
RMTI
$29.5M
| $675K | ﹤0.01% |
56,221
+2,046
| +4% | +$25K |
|
2677
Lesaka Technologies
LSAK
$412M
| $672K | ﹤0.01% |
162,000
-15,800
| -9% | -$71.4K |
|
2678
NWPX Infrastructure Inc
NWPX
$1.12B
| $672K | ﹤0.01% |
12,697
-703
| -5% | -$33.6K |
|
2679
State Street SPDR S&P Semiconductor ETF
XSD
$2.88B
| $670K | ﹤0.01% |
+2,100
| New | +$594K |
|
2680
Citizens Community Bancorp
CZWI
$205M
| $670K | ﹤0.01% |
41,700
-2,900
| -7% | -$45.4K |
|
|
JFIN
2681
Jiayin Group
JFIN
$119M
| $662K | ﹤0.01% |
64,100
-14,622
| -19% | -$199K |
|
|
MTA
2682
Metalla Royalty & Streaming
MTA
$895M
| $659K | ﹤0.01% |
103,761
-178,039
| -63% | -$844K |
|
2683
Ultragenyx Pharmaceutical
RARE
$2.56B
| $659K | ﹤0.01% |
21,900
-186,400
| -89% | -$5.59M |
|
|
KLRS
2684
Kalaris Therapeutics
KLRS
$96.4M
| $652K | ﹤0.01% |
112,751
+16,000
| +17% | +$52.9K |
|
|
AIOT
2685
PowerFleet Inc
AIOT
$419M
| $651K | ﹤0.01% |
124,196
-16,949
| -12% | -$78.3K |
|
2686
Simmons First National
SFNC
$3.46B
| $649K | ﹤0.01% |
33,857
-301,148
| -90% | -$6.01M |
|
2687
Nerdy
NRDY
$92.5M
| $649K | ﹤0.01% |
515,023
-299,642
| -37% | -$429K |
|
|
SNCR
2688
DELISTED
Synchronoss Technologies
SNCR
| $646K | ﹤0.01% |
106,174
-700
| -0.7% | -$4.77K |
|
|
CALY
2689
Callaway Golf Company
CALY
$2.95B
| $645K | ﹤0.01% |
+67,900
| New | +$631K |
|
2690
WPP
WPP
$5.81B
| $644K | ﹤0.01% |
25,700
-6,300
| -20% | -$172K |
|
|
CFLT
2691
DELISTED
Confluent
CFLT
| $642K | ﹤0.01% |
32,400
-462,800
| -93% | -$9.68M |
|
2692
Liberty Live Group Series A
LLYVA
$9.75B
| $641K | ﹤0.01% |
6,800
-17,100
| -72% | -$1.5M |
|
2693
Carter Bankshares
CARE
$757M
| $641K | ﹤0.01% |
33,000
-30,000
| -48% | -$559K |
|
2694
Unity Bancorp
UNTY
$626M
| $635K | ﹤0.01% |
13,000
-1,000
| -7% | -$50.9K |
|
2695
Myomo
MYO
$59.8M
| $635K | ﹤0.01% |
712,094
+170,689
| +32% | +$248K |
|
2696
Sysco
SYY
$40B
| $634K | ﹤0.01% |
+7,700
| New | +$616K |
|
2697
WidePoint Corp
WYY
$92.1M
| $634K | ﹤0.01% |
128,200
-4,400
| -3% | -$17.9K |
|
|
THRO
2698
iShares U.S. Thematic Rotation Active ETF
THRO
$6.76B
| $632K | ﹤0.01% |
16,700
-25,800
| -61% | -$945K |
|
2699
VanEck Preferred Securities ex Financials ETF
PFXF
$2.48B
| $631K | ﹤0.01% |
35,513
-29,987
| -46% | -$530K |
|
|
MPX
2700
DELISTED
Marine Products Corp
MPX
| $631K | ﹤0.01% |
71,102
+600
| +0.9% | +$5.33K |
|
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.