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 | |
|---|---|---|---|---|---|---|
|
WIMI
3076
WiMi Hologram Cloud
WIMI
$23.9M
| $248K | ﹤0.01% |
54,391
-300
| -0.5% | -$1.16K |
|
3077
First Trust Utilities AlphaDEX Fund
FXU
$831M
| $245K | ﹤0.01% |
5,400
-14,000
| -72% | -$617K |
|
3078
Minerva Neurosciences
NERV
$187M
| $245K | ﹤0.01% |
116,500
+5,500
| +5% | +$11.2K |
|
3079
Immuneering
IMRX
$328M
| $245K | ﹤0.01% |
35,000
+16,800
| +92% | +$87.2K |
|
3080
Ocean Power Technologies
OPTT
$54.1M
| $245K | ﹤0.01% |
485,617
+348,548
| +254% | +$191K |
|
3081
MediciNova
MNOV
$65.5M
| $244K | ﹤0.01% |
192,500
+13,800
| +8% | +$17.8K |
|
3082
Forte Biosciences
FBRX
$1.57B
| $243K | ﹤0.01% |
+16,200
| New | +$187K |
|
3083
Hydrofarm Holdings
HYFM
$8M
| $243K | ﹤0.01% |
73,763
+400
| +0.5% | +$1.58K |
|
3084
First Seacoast Bancorp
FSEA
$80.4M
| $241K | ﹤0.01% |
20,932
| – | – |
|
|
NBP
3085
NovaBridge Biosciences American Depositary Shares
NBP
$216M
| $240K | ﹤0.01% |
63,600
-100
| -0.2% | -$339 |
|
|
GCTS
3086
GCT Semiconductor Holding
GCTS
$197M
| $240K | ﹤0.01% |
+157,580
| New | +$225K |
|
|
CNTB
3087
Connect Biopharma Holdings
CNTB
$147M
| $239K | ﹤0.01% |
158,200
+14,500
| +10% | +$25.7K |
|
3088
Global X US Infrastructure Development ETF
PAVE
$14.3B
| $238K | ﹤0.01% |
+5,000
| New | +$230K |
|
3089
Quest Resource Holding
QRHC
$30M
| $237K | ﹤0.01% |
152,192
-12,900
| -8% | -$23.9K |
|
3090
Inspired Entertainment
INSE
$163M
| $236K | ﹤0.01% |
25,200
-50,365
| -67% | -$454K |
|
|
GOCO
3091
DELISTED
GoHealth
GOCO
| $235K | ﹤0.01% |
48,778
-44,500
| -48% | -$243K |
|
3092
Precipio
PRPO
$40.3M
| $233K | ﹤0.01% |
+13,100
| New | +$205K |
|
|
LTC
3093
LTC Properties
LTC
$2.1B
| $232K | ﹤0.01% |
+6,300
| New | +$225K |
|
|
EARN
3094
Ellington Residential Mortgage REIT
EARN
$163M
| $232K | ﹤0.01% |
42,500
-64,900
| -60% | -$374K |
|
3095
AXT Inc
AXTI
$5.07B
| $231K | ﹤0.01% |
+51,400
| New | +$147K |
|
|
UCL
3096
uCloudlink Group
UCL
$28.6M
| $231K | ﹤0.01% |
106,305
+33,900
| +47% | +$92.6K |
|
3097
VirTra
VTSI
$37.3M
| $228K | ﹤0.01% |
43,400
+1,900
| +5% | +$11.5K |
|
3098
Mercer International
MERC
$32.3M
| $228K | ﹤0.01% |
79,111
-139,500
| -64% | -$460K |
|
3099
Bridgeline Digital
BLIN
$13.7M
| $227K | ﹤0.01% |
172,229
-11,600
| -6% | -$16.3K |
|
|
ARTV
3100
Artiva Biotherapeutics
ARTV
$564M
| $227K | ﹤0.01% |
+79,147
| New | +$212K |
|
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.