Rock Springs Capital Management’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
$19.8M Buy
150,450
+24,950
+20% +$3.31M 1.17% 27
2025
Q4
$17.8M Buy
125,500
+35,750
+40% +$5.18M 0.91% 37
2025
Q3
$12.6M Buy
89,750
+950
+1% +$129K 0.74% 47
2025
Q2
$11.2M Sell
88,800
-190,200
-68% -$21.8M 0.7% 51
2025
Q1
$30.9M Sell
279,000
-441,500
-61% -$55.9M 1.77% 19
2024
Q4
$98.3M Sell
720,500
-218,500
-23% -$27M 3.74% 4
2024
Q3
$108M Sell
939,000
-1,000
-0.1% -$137K 3.52% 6
2024
Q2
$129M Sell
940,000
-114,900
-11% -$15.8M 3.9% 4
2024
Q1
$145M Sell
1,054,900
-141,100
-12% -$19.3M 3.69% 3
2023
Q4
$158M Sell
1,196,000
-40,000
-3% -$4.6M 3.88% 4
2023
Q3
$139M Sell
1,236,000
-43,500
-3% -$4.58M 3.72% 4
2023
Q2
$121M Buy
1,279,500
+69,400
+6% +$6.78M 2.87% 8
2023
Q1
$122M Buy
1,210,100
+87,600
+8% +$9.12M 2.92% 8
2022
Q4
$134M Hold
1,122,500
3.23% 5
2022
Q3
$119M Hold
1,122,500
3.08% 6
2022
Q2
$109M Buy
1,122,500
+17,500
+2% +$1.62M 3.18% 5
2022
Q1
$104M Hold
1,105,000
2.61% 7
2021
Q4
$94.1M Buy
1,105,000
+53,500
+5% +$4.92M 2.17% 10
2021
Q3
$101M Buy
1,051,500
+36,500
+4% +$3.45M 2.12% 10
2021
Q2
$98.8M Hold
1,015,000
1.95% 9
2021
Q1
$98.7M Sell
1,015,000
-560,000
-36% -$58.7M 2.15% 7
2020
Q4
$151M Buy
1,575,000
+109,500
+7% +$10.6M 3.2% 1
2020
Q3
$141M Buy
1,465,500
+99,000
+7% +$11.5M 3.58% 2
2020
Q2
$167M Buy
1,366,500
+17,000
+1% +$1.88M 4.57% 1
2020
Q1
$117M Buy
1,349,500
+71,500
+6% +$7M 4.83% 1
2019
Q4
$137M Buy
1,278,000
+45,500
+4% +$4.76M 4.34% 2
2019
Q3
$111M Buy
1,232,500
+209,500
+20% +$19.6M 4.43% 2
2019
Q2
$86.4M Buy
1,023,000
+178,500
+21% +$14.7M 3.12% 5
2019
Q1
$74.4M Buy
844,500
+55,900
+7% +$4.67M 2.87% 6
2018
Q4
$56.3M Buy
788,600
+143,600
+22% +$13.8M 2.66% 7
2018
Q3
$79.3M Buy
645,000
+14,600
+2% +$1.66M 2.87% 4
2018
Q2
$61.9M Buy
630,400
+24,200
+4% +$2.17M 2.38% 4
2018
Q1
$50.3M Buy
606,200
+120,200
+25% +$10.2M 2.14% 5
2017
Q4
$37.7M Buy
486,000
+46,000
+10% +$3.14M 1.71% 14
2017
Q3
$27M Buy
440,000
+21,000
+5% +$1.11M 1.24% 21
2017
Q2
$19.3M Buy
419,000
+9,000
+2% +$437K 0.97% 32
2017
Q1
$17.8M Hold
410,000
1.02% 33
2016
Q4
$15.9M Hold
410,000
1.06% 29
2016
Q3
$20.8M Buy
410,000
+500
+0.1% +$24.9K 1.3% 26
2016
Q2
$18.6M Buy
409,500
+5,000
+1% +$230K 1.38% 21
2016
Q1
$16M Buy
404,500
+27,000
+7% +$1.07M 1.34% 24
2015
Q4
$21.4M Buy
377,500
+3,500
+0.9% +$178K 1.62% 19
2015
Q3
$14.9M Sell
374,000
-2,000
-0.5% -$96.7K 1.21% 22
2015
Q2
$18M Buy
376,000
+1,000
+0.3% +$42.4K 1.31% 23
2015
Q1
$14.9M Buy
375,000
+15,000
+4% +$537K 1.39% 26
2014
Q4
$8.04M Buy
360,000
+45,000
+14% +$853K 0.94% 38
2014
Q3
$4.94M Buy
315,000
+5,000
+2% +$74.7K 0.76% 41
2014
Q2
$4.6M Buy
310,000
+10,000
+3% +$141K 0.82% 46
2014
Q1
$4.83M Buy
+300,000
New +$5.13M 1.11% 28

Other funds holding NBIX

Rock Springs Capital Management's NBIX Position: Q1 2026 in Review

Rock Springs Capital Management increased its Neurocrine Biosciences (NBIX) stake by 20% in Q1 2026, buying an estimated $3.31M and bringing the position to 150,450 shares worth $19.8M. The position accounts for 1.17% of the portfolio, ranked #27.

Rock Springs Capital Management first reported a position in NBIX in Q1 2014 and has held it in 49 quarters since. The position peaked at $167M in Q2 2020. 694 funds tracked by Wall St. Rank hold NBIX as of Q1 2026.

  • Rock Springs Capital Management held 150,450 shares of Neurocrine Biosciences worth $19.8M as of Q1 2026.
  • Rock Springs Capital Management bought 24,950 Neurocrine Biosciences shares in Q1 2026, an estimated $3.31M.
  • Neurocrine Biosciences made up 1.17% of Rock Springs Capital Management's portfolio in Q1 2026, its #27 holding.
  • Rock Springs Capital Management first reported a position in Neurocrine Biosciences in Q1 2014 and has held it in 49 quarters since.
  • Rock Springs Capital Management's Neurocrine Biosciences position peaked at $167M in Q2 2020.
  • 694 funds tracked by Wall St. Rank held Neurocrine Biosciences as of Q1 2026.

Based on Rock Springs Capital Management's 13F filing for Q1 2026, filed 15 May 2026.