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 | |
|---|---|---|---|---|---|---|
|
TRIB
3151
Trinity Biotech
TRIB
$8.01M
| $178K | ﹤0.01% |
5,712
+3,813
| +201% | +$120K |
|
3152
UTStarcom
UTSI
$22.9M
| $178K | ﹤0.01% |
70,088
-6,300
| -8% | -$15.6K |
|
3153
Cohen & Co
COHN
$38.7M
| $177K | ﹤0.01% |
15,800
+200
| +1% | +$2.29K |
|
3154
Kartoon Studios
TOON
$38.2M
| $175K | ﹤0.01% |
+237,549
| New | +$178K |
|
3155
Oric Pharmaceuticals
ORIC
$1.42B
| $174K | ﹤0.01% |
14,500
+4,300
| +42% | +$45.2K |
|
|
SMCL
3156
GraniteShares 2x Long SMCI Daily ETF
SMCL
$63.2M
| $174K | ﹤0.01% |
+1,785
| New | +$191K |
|
|
YQ
3157
17 Education & Technology Group
YQ
$23.2M
| $174K | ﹤0.01% |
40,581
+3,751
| +10% | +$9.17K |
|
3158
Arena Group
AREN
$56.7M
| $173K | ﹤0.01% |
31,700
+15,100
| +91% | +$94K |
|
3159
Xilio Therapeutics
XLO
$59.3M
| $173K | ﹤0.01% |
14,621
+2,892
| +25% | +$29K |
|
3160
Sono-Tek
SOTK
$81.1M
| $171K | ﹤0.01% |
38,700
+7,700
| +25% | +$27.9K |
|
3161
Harte-Hanks
HHS
$20.8M
| $171K | ﹤0.01% |
46,000
+7,200
| +19% | +$26K |
|
3162
Fathom Holdings
FTHM
$24.5M
| $171K | ﹤0.01% |
94,800
-14,700
| -13% | -$24.5K |
|
3163
GEE Group
JOB
$24.9M
| $170K | ﹤0.01% |
824,741
+63,200
| +8% | +$12.8K |
|
3164
Entera Bio
ENTX
$141M
| $170K | ﹤0.01% |
88,400
+24,100
| +37% | +$46.1K |
|
|
SGRP
3165
DELISTED
SPAR Group
SGRP
| $169K | ﹤0.01% |
163,900
-37,400
| -19% | -$41.5K |
|
3166
Roma Green Finance Ltd
ROMA
$560M
| $168K | ﹤0.01% |
+57,600
| New | +$176K |
|
3167
Motorsport Games
MSGM
$18.7M
| $167K | ﹤0.01% |
59,600
+30,400
| +104% | +$93.7K |
|
3168
NSTS Bancorp
NSTS
$66.8M
| $166K | ﹤0.01% |
14,400
| – | – |
|
3169
NextCure
NXTC
$37.9M
| $166K | ﹤0.01% |
28,334
-13,411
| -32% | -$70.2K |
|
|
FDSB
3170
Fifth District Bancorp
FDSB
$95.6M
| $166K | ﹤0.01% |
+12,000
| New | +$161K |
|
|
CARV
3171
DELISTED
Carver Bancorp
CARV
| $165K | ﹤0.01% |
68,600
+18,300
| +36% | +$38.7K |
|
3172
Enlivex Ltd
ENLV
$28.4M
| $164K | ﹤0.01% |
10,486
-740
| -7% | -$13.3K |
|
|
TOUR
3173
Tuniu
TOUR
$54.4M
| $164K | ﹤0.01% |
17,173
-20
| -0.1% | -$172 |
|
3174
Cue Biopharma
CUE
$131M
| $163K | ﹤0.01% |
7,569
+3,120
| +70% | +$73.2K |
|
3175
SAB Biotherapeutics
SABS
$341M
| $162K | ﹤0.01% |
80,840
+69,810
| +633% | +$158K |
|
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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.