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 | |
|---|---|---|---|---|---|---|
2476
Graham Holdings Company
GHC
$5.03B
| $1M | ﹤0.01% |
+852
| New | +$881K |
|
2477
Peoples Bancorp of North Carolina
PEBK
$237M
| $1M | ﹤0.01% |
32,707
+1,200
| +4% | +$36.2K |
|
2478
Hennessy Advisors
HNNA
$78.5M
| $1M | ﹤0.01% |
95,788
+2,000
| +2% | +$23.6K |
|
2479
Acumen Pharmaceuticals
ABOS
$189M
| $999K | ﹤0.01% |
584,292
+337,704
| +137% | +$467K |
|
2480
Westwater Resources
WWR
$72M
| $999K | ﹤0.01% |
1,053,057
+642,367
| +156% | +$483K |
|
2481
iShares Russell Mid-Cap Growth ETF
IWP
$21.1B
| $997K | ﹤0.01% |
7,000
-2,700
| -28% | -$382K |
|
|
TWFG
2482
TWFG Inc
TWFG
$1.47B
| $996K | ﹤0.01% |
36,300
-42,700
| -54% | -$1.23M |
|
|
HI
2483
DELISTED
Hillenbrand
HI
| $996K | ﹤0.01% |
+36,820
| New | +$864K |
|
2484
Better Online Solutions
BOSC
$32.2M
| $992K | ﹤0.01% |
208,367
+30,725
| +17% | +$150K |
|
2485
Lexeo Therapeutics
LXEO
$399M
| $991K | ﹤0.01% |
149,300
+43,100
| +41% | +$208K |
|
2486
Nucor
NUE
$61.2B
| $989K | ﹤0.01% |
+7,300
| New | +$1.03M |
|
2487
Meridian
MRBK
$239M
| $988K | ﹤0.01% |
62,600
+9,700
| +18% | +$145K |
|
2488
AMES National
ATLO
$280M
| $988K | ﹤0.01% |
48,884
-200
| -0.4% | -$3.85K |
|
2489
Kyverna Therapeutics
KYTX
$505M
| $988K | ﹤0.01% |
164,614
+42,197
| +34% | +$169K |
|
|
FRGE
2490
DELISTED
Forge Global Holdings
FRGE
| $987K | ﹤0.01% |
58,379
+19,600
| +51% | +$364K |
|
2491
ImmuCell
ICCC
$92.6M
| $983K | ﹤0.01% |
157,289
-2,700
| -2% | -$17.1K |
|
2492
iShares US Regional Banks ETF
IAT
$693M
| $982K | ﹤0.01% |
+18,700
| New | +$975K |
|
2493
Achieve Life Sciences
ACHV
$752M
| $979K | ﹤0.01% |
+310,764
| New | +$853K |
|
2494
Citizens & Northern Corp
CZNC
$465M
| $977K | ﹤0.01% |
49,341
-11,900
| -19% | -$234K |
|
2495
Navient
NAVI
$848M
| $970K | ﹤0.01% |
73,800
-146,900
| -67% | -$1.99M |
|
|
TUYA
2496
Tuya Inc
TUYA
$1.1B
| $967K | ﹤0.01% |
391,700
-1,300
| -0.3% | -$3.25K |
|
2497
Scholastic
SCHL
$783M
| $967K | ﹤0.01% |
35,300
+18,600
| +111% | +$460K |
|
2498
Vanguard Morningstar Small-Cap ETF
VB
$83.5B
| $966K | ﹤0.01% |
+3,800
| New | +$942K |
|
2499
ProPetro Holding
PUMP
$1.49B
| $964K | ﹤0.01% |
183,974
-59,059
| -24% | -$313K |
|
2500
Cognition Therapeutics
CGTX
$96M
| $963K | ﹤0.01% |
713,500
+617,100
| +640% | +$842K |
|
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.