Walleye Trading
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Walleye Trading’s Ultragenyx Pharmaceutical RARE Stock Holding History

Walleye Trading’s Portfolio RARE Stock Details RARE Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$142K Sell
6,800
-4,300
-39% -$96.8K ﹤0.01% 3299
2025
Q4 		$255K Sell
11,100
-3,700
-25% -$122K ﹤0.01% 3256
2025
Q3 		$445K Buy
14,800
+11,400
+335% +$342K ﹤0.01% 2811
2025
Q2 		$124K Buy
+3,400
New +$123K ﹤0.01% 3493
2024
Q1 		– Sell
-3,800
Closed -$182K – 5231
2023
Q4 		$182K Sell
3,800
-4,200
-53% -$163K ﹤0.01% 3840
2023
Q3 		$285K Buy
8,000
+5,000
+167% +$198K ﹤0.01% 3393
2023
Q2 		$138K Buy
+3,000
New +$139K ﹤0.01% 3608
2023
Q1 		– Sell
-1,200
Closed -$55.6K – 5295
2022
Q4 		$55.6K Buy
+1,200
New +$47.2K ﹤0.01% 4180
2022
Q3 		– Sell
-20,000
Closed -$1.19M – 5436
2022
Q2 		$1.19M Sell
20,000
-24,100
-55% -$1.48M ﹤0.01% 2064
2022
Q1 		$3.2M Buy
44,100
+21,700
+97% +$1.51M 0.01% 1300
2021
Q4 		$1.88M Buy
+22,400
New +$1.82M 0.01% 1694
2021
Q2 		– Sell
-2,500
Closed -$285K – 5474
2021
Q1 		$285K Buy
2,500
+1,700
+213% +$231K ﹤0.01% 3275
2020
Q4 		$111K Buy
+800
New +$94.9K ﹤0.01% 3882

Other funds holding RARE

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
RI
RTW Investments New York $10B AUM 135.35% 1-Year Est. Return
Sands Capital Management
Sands Capital Management Arlington, Virginia $25.5B AUM 26.46% 1-Year Est. Return
SI
Sofinnova Investments Menlo Park, California $2.63B AUM 117.41% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
BG
Bellevue Group Kuesnacht, Switzerland $4.2B AUM 54.85% 1-Year Est. Return

Walleye Trading's RARE Position: Q1 2026 in Review

Walleye Trading reduced its Ultragenyx Pharmaceutical (RARE) stake by 47% in Q1 2026, selling an estimated $138K and leaving 7,039 shares worth $147K. The position accounts for ﹤0.01% of the portfolio, ranked #3275.

Walleye Trading first reported a position in RARE in Q3 2015 and has held it in 13 quarters since. The position peaked at $2.06M in Q4 2020. 295 funds tracked by Wall St. Rank hold RARE as of Q1 2026.

  • Walleye Trading held 7,039 shares of Ultragenyx Pharmaceutical worth $147K as of Q1 2026.
  • Walleye Trading sold 6,128 Ultragenyx Pharmaceutical shares in Q1 2026, an estimated $138K.
  • Ultragenyx Pharmaceutical made up ﹤0.01% of Walleye Trading's portfolio in Q1 2026, its #3275 holding.
  • Walleye Trading first reported a position in Ultragenyx Pharmaceutical in Q3 2015 and has held it in 13 quarters since.
  • Walleye Trading's Ultragenyx Pharmaceutical position peaked at $2.06M in Q4 2020.
  • 295 funds tracked by Wall St. Rank held Ultragenyx Pharmaceutical as of Q1 2026.

Based on Walleye Trading's 13F filing for Q1 2026, filed 11 May 2026.