Jim Simons
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Jim Simons’s Everspin Technologies MRAM Stock Holding History

Jim Simons’s Portfolio MRAM Stock Details MRAM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$2.94M Buy
334,367
+73,000
+28% +$803K ﹤0.01% 1671
2025
Q4 		$2.43M Buy
261,367
+11,600
+5% +$110K ﹤0.01% 1744
2025
Q3 		$2.33M Buy
249,767
+6,500
+3% +$44.2K ﹤0.01% 1971
2025
Q2 		$1.53M Buy
243,267
+5,800
+2% +$32.8K ﹤0.01% 2279
2025
Q1 		$1.21M Sell
237,467
-2,500
-1% -$14.5K ﹤0.01% 2288
2024
Q4 		$1.53M Sell
239,967
-24,800
-9% -$154K ﹤0.01% 2222
2024
Q3 		$1.56M Sell
264,767
-15,839
-6% -$92K ﹤0.01% 2172
2024
Q2 		$1.68M Sell
280,606
-18,800
-6% -$124K ﹤0.01% 1978
2024
Q1 		$2.37M Sell
299,406
-119,800
-29% -$1.02M ﹤0.01% 1921
2023
Q4 		$3.79M Buy
419,206
+164,900
+65% +$1.53M 0.01% 1527
2023
Q3 		$2.5M Buy
254,306
+22,100
+10% +$214K ﹤0.01% 1730
2023
Q2 		$2.14M Buy
232,206
+54,900
+31% +$414K ﹤0.01% 1956
2023
Q1 		$1.21M Buy
177,306
+2,500
+1% +$16.6K ﹤0.01% 2351
2022
Q4 		$972K Sell
174,806
-68,467
-28% -$402K ﹤0.01% 2544
2022
Q3 		$1.41M Sell
243,273
-62,633
-20% -$399K ﹤0.01% 2275
2022
Q2 		$1.6M Buy
305,906
+36,100
+13% +$232K ﹤0.01% 2358
2022
Q1 		$2.35M Buy
269,806
+6,300
+2% +$60.3K ﹤0.01% 2122
2021
Q4 		$2.98M Buy
263,506
+36,600
+16% +$331K ﹤0.01% 1855
2021
Q3 		$1.47M Buy
226,906
+71,400
+46% +$438K ﹤0.01% 2324
2021
Q2 		$1M Sell
155,506
-29,000
-16% -$166K ﹤0.01% 2667
2021
Q1 		$1.11M Sell
184,506
-9,800
-5% -$57.6K ﹤0.01% 2568
2020
Q4 		$894K Buy
194,306
+6,100
+3% +$37K ﹤0.01% 2555
2020
Q3 		$1.07M Buy
188,206
+1,200
+0.6% +$7.64K ﹤0.01% 2487
2020
Q2 		$1.31M Sell
187,006
-75,219
-29% -$370K ﹤0.01% 2414
2020
Q1 		$687K Buy
+262,225
New +$1.04M ﹤0.01% 2605
2017
Q2 		– Sell
-15,000
Closed -$126K – 3302
2017
Q1 		$126K Buy
+15,000
New +$126K ﹤0.01% 3054

Other funds holding MRAM

AIC
AWM Investment Company New York $903M AUM 163.47% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return
LLL
Lynrock Lake LP Rye Brook, New York $1.46B AUM 17.55% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
HIM
Herald Investment Management London, United Kingdom $737M AUM 158.15% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT) London, United Kingdom $89.9B AUM 20.22% 1-Year Est. Return

Jim Simons's MRAM Position: Q1 2026 in Review

Jim Simons increased its Everspin Technologies (MRAM) stake by 28% in Q1 2026, buying an estimated $803K and bringing the position to 334,367 shares worth $2.94M. The position accounts for ﹤0.01% of the portfolio, ranked #1671.

Jim Simons first reported a position in MRAM in Q1 2017 and has held it in 26 quarters since. The position peaked at $3.79M in Q4 2023. 97 funds tracked by Wall St. Rank hold MRAM as of Q1 2026.

  • Jim Simons held 334,367 shares of Everspin Technologies worth $2.94M as of Q1 2026.
  • Jim Simons bought 73,000 Everspin Technologies shares in Q1 2026, an estimated $803K.
  • Everspin Technologies made up ﹤0.01% of Jim Simons's portfolio in Q1 2026, its #1671 holding.
  • Jim Simons first reported a position in Everspin Technologies in Q1 2017 and has held it in 26 quarters since.
  • Jim Simons's Everspin Technologies position peaked at $3.79M in Q4 2023.
  • 97 funds tracked by Wall St. Rank held Everspin Technologies as of Q1 2026.

Based on Renaissance Technologies's 13F filing for Q1 2026, filed 14 May 2026.