Jim Simons’s Neurocrine Biosciences NBIX Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$319M Buy
2,418,897
+180,100
+8% +$23.9M 0.5% 19
2025
Q4
$318M Sell
2,238,797
-179,500
-7% -$26M 0.49% 28
2025
Q3
$339M Buy
2,418,297
+51,900
+2% +$7.03M 0.45% 29
2025
Q2
$297M Sell
2,366,397
-136,300
-5% -$15.6M 0.4% 34
2025
Q1
$277M Buy
2,502,697
+13,300
+0.5% +$1.68M 0.42% 29
2024
Q4
$340M Sell
2,489,397
-85,149
-3% -$10.5M 0.5% 25
2024
Q3
$297M Buy
2,574,546
+106,400
+4% +$14.6M 0.45% 24
2024
Q2
$340M Buy
2,468,146
+216,500
+10% +$29.7M 0.58% 16
2024
Q1
$311M Buy
2,251,646
+263,100
+13% +$35.9M 0.49% 23
2023
Q4
$262M Buy
1,988,546
+398,382
+25% +$45.9M 0.41% 39
2023
Q3
$179M Sell
1,590,164
-53,238
-3% -$5.61M 0.31% 58
2023
Q2
$155M Sell
1,643,402
-303,662
-16% -$29.7M 0.22% 84
2023
Q1
$197M Buy
1,947,064
+333,400
+21% +$34.7M 0.26% 69
2022
Q4
$193M Buy
1,613,664
+171,200
+12% +$20.1M 0.26% 71
2022
Q3
$153M Sell
1,442,464
-6,559
-0.5% -$666K 0.22% 99
2022
Q2
$141M Buy
1,449,023
+168,900
+13% +$15.6M 0.17% 123
2022
Q1
$120M Sell
1,280,123
-143,541
-10% -$12.2M 0.14% 143
2021
Q4
$121M Buy
1,423,664
+67,700
+5% +$6.23M 0.15% 144
2021
Q3
$130M Buy
1,355,964
+113,241
+9% +$10.7M 0.17% 117
2021
Q2
$121M Sell
1,242,723
-155,141
-11% -$14.9M 0.15% 131
2021
Q1
$136M Sell
1,397,864
-409,327
-23% -$42.9M 0.17% 114
2020
Q4
$173M Sell
1,807,191
-342,273
-16% -$33.1M 0.19% 101
2020
Q3
$207M Buy
2,149,464
+664,700
+45% +$76.9M 0.21% 83
2020
Q2
$181M Buy
1,484,764
+765,382
+106% +$84.6M 0.16% 126
2020
Q1
$62.3M Sell
719,382
-19,790
-3% -$1.94M 0.06% 322
2019
Q4
$79.5M Buy
739,172
+735,272
+18,853% +$77M 0.06% 360
2019
Q3
$351K Sell
3,900
-11,341
-74% -$1.06M ﹤0.01% 2989
2019
Q2
$1.29M Sell
15,241
-212,700
-93% -$17.5M ﹤0.01% 2572
2019
Q1
$20.1M Buy
227,941
+152,100
+201% +$12.7M 0.02% 962
2018
Q4
$5.42M Buy
+75,841
New +$7.27M 0.01% 1675
2018
Q2
Sell
-162,341
Closed -$13.5M 3440
2018
Q1
$13.5M Sell
162,341
-224,900
-58% -$19M 0.01% 1184
2017
Q4
$30M Buy
+387,241
New +$26.4M 0.03% 692
2015
Q4
Sell
-130,641
Closed -$5.2M 3375
2015
Q3
$5.2M Buy
+130,641
New +$6.31M 0.01% 1371

Other funds holding NBIX

Jim Simons's NBIX Position: Q1 2026 in Review

Jim Simons increased its Neurocrine Biosciences (NBIX) stake by 8% in Q1 2026, buying an estimated $23.9M and bringing the position to 2,418,897 shares worth $319M. The position accounts for 0.5% of the portfolio, ranked #19.

Jim Simons first reported a position in NBIX in Q3 2015 and has held it in 33 quarters since. The position peaked at $340M in Q4 2024. 696 funds tracked by Wall St. Rank hold NBIX as of Q1 2026.

  • Jim Simons held 2,418,897 shares of Neurocrine Biosciences worth $319M as of Q1 2026.
  • Jim Simons bought 180,100 Neurocrine Biosciences shares in Q1 2026, an estimated $23.9M.
  • Neurocrine Biosciences made up 0.5% of Jim Simons's portfolio in Q1 2026, its #19 holding.
  • Jim Simons first reported a position in Neurocrine Biosciences in Q3 2015 and has held it in 33 quarters since.
  • Jim Simons's Neurocrine Biosciences position peaked at $340M in Q4 2024.
  • 696 funds tracked by Wall St. Rank held Neurocrine Biosciences as of Q1 2026.

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