Group One Trading’s Ultragenyx Pharmaceutical RARE Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$3.18M Buy
151,700
+102,100
+206% +$2.3M 0.01% 1662
2025
Q4
$1.14M Buy
49,600
+39,200
+377% +$1.29M ﹤0.01% 2771
2025
Q3
$313K Sell
10,400
-18,800
-64% -$564K ﹤0.01% 4177
2025
Q2
$1.06M Sell
29,200
-2,500
-8% -$90.1K ﹤0.01% 2712
2025
Q1
$1.15M Buy
31,700
+23,200
+273% +$965K ﹤0.01% 2332
2024
Q4
$358K Sell
8,500
-6,500
-43% -$322K ﹤0.01% 3447
2024
Q3
$833K Hold
15,000
﹤0.01% 2453
2024
Q2
$617K Hold
15,000
﹤0.01% 2373
2024
Q1
$700K Hold
15,000
﹤0.01% 2419
2023
Q4
$717K Buy
15,000
+7,000
+88% +$271K ﹤0.01% 2768
2023
Q3
$285K Buy
8,000
+4,800
+150% +$190K ﹤0.01% 3478
2023
Q2
$148K Sell
3,200
-13,000
-80% -$603K ﹤0.01% 4248
2023
Q1
$650K Sell
16,200
-500
-3% -$21.5K ﹤0.01% 2512
2022
Q4
$774K Buy
16,700
+16,500
+8,250% +$649K ﹤0.01% 2644
2022
Q3
$8K Buy
+200
New +$10.3K ﹤0.01% 6642
2020
Q3
Sell
-400
Closed -$31K 6475
2020
Q2
$31K Sell
400
-6,800
-94% -$450K ﹤0.01% 4627
2020
Q1
$320K Buy
7,200
+2,200
+44% +$114K ﹤0.01% 2381
2019
Q4
$214K Buy
+5,000
New +$206K ﹤0.01% 3122
2018
Q4
Sell
-3,000
Closed -$229K 5314
2018
Q3
$229K Buy
+3,000
New +$244K ﹤0.01% 2923
2018
Q1
Sell
-4,000
Closed -$186K 5228
2017
Q4
$186K Hold
4,000
﹤0.01% 2966
2017
Q3
$213K Buy
+4,000
New +$237K ﹤0.01% 2716
2017
Q2
Sell
-2,000
Closed -$136K 5017
2017
Q1
$136K Sell
2,000
-11,400
-85% -$869K ﹤0.01% 2786
2016
Q4
$942K Buy
13,400
+13,300
+13,300% +$944K 0.01% 1350
2016
Q3
$7K Sell
100
-5,000
-98% -$319K ﹤0.01% 4147
2016
Q2
$249K Sell
5,100
-6,800
-57% -$440K ﹤0.01% 2254
2016
Q1
$753K Buy
11,900
+9,300
+358% +$609K 0.01% 1389
2015
Q4
$292K Sell
2,600
-4,700
-64% -$470K ﹤0.01% 2222
2015
Q3
$703K Sell
7,300
-5,500
-43% -$630K 0.01% 1521
2015
Q2
$1.31M Buy
12,800
+5,200
+68% +$404K 0.02% 1023
2015
Q1
$472K Buy
7,600
+7,500
+7,500% +$417K 0.01% 1649
2014
Q4
$4K Sell
100
-2,700
-96% -$124K ﹤0.01% 4548
2014
Q3
$158K Buy
2,800
+1,800
+180% +$90.6K ﹤0.01% 2575
2014
Q2
$45K Buy
+1,000
New +$41.2K ﹤0.01% 3627

Other funds holding RARE

Group One Trading's RARE Position: Q1 2026 in Review

Group One Trading increased its Ultragenyx Pharmaceutical (RARE) stake by 504% in Q1 2026, buying an estimated $2.63M and bringing the position to 140,166 shares worth $2.94M. The position accounts for 0.01% of the portfolio, ranked #1721.

Group One Trading first reported a position in RARE in Q2 2014 and has held it in 28 quarters since. 295 funds tracked by Wall St. Rank hold RARE as of Q1 2026.

  • Group One Trading held 140,166 shares of Ultragenyx Pharmaceutical worth $2.94M as of Q1 2026.
  • Group One Trading bought 116,958 Ultragenyx Pharmaceutical shares in Q1 2026, an estimated $2.63M.
  • Ultragenyx Pharmaceutical made up 0.01% of Group One Trading's portfolio in Q1 2026, its #1721 holding.
  • Group One Trading first reported a position in Ultragenyx Pharmaceutical in Q2 2014 and has held it in 28 quarters since.
  • 295 funds tracked by Wall St. Rank held Ultragenyx Pharmaceutical as of Q1 2026.

Based on Group One Trading's 13F filing for Q1 2026, filed 13 May 2026.