QT
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Quantbot Technologies’s Ultragenyx Pharmaceutical RARE Stock Holding History

Quantbot Technologies’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
2025
Q4 		– Sell
-6,251
Closed -$188K – 2086
2025
Q3 		$188K Buy
+6,251
New +$187K 0.01% 1311
2025
Q1 		– Sell
-16
Closed -$673 – 1805
2024
Q4 		$673 Buy
+16
New +$794 ﹤0.01% 1410
2023
Q1 		– Sell
-6,235
Closed -$289K – 1977
2022
Q4 		$289K Buy
+6,235
New +$245K 0.02% 768
2021
Q3 		– Sell
-4,148
Closed -$395K – 1820
2021
Q2 		$395K Sell
4,148
-898
-18% -$93.6K 0.03% 615
2021
Q1 		$574K Buy
5,046
+4,770
+1,728% +$649K 0.05% 445
2020
Q4 		$38K Sell
276
-1,120
-80% -$133K ﹤0.01% 907
2020
Q3 		$114K Buy
+1,396
New +$116K 0.01% 695
2020
Q1 		– Sell
-2,673
Closed -$114K – 1295
2019
Q4 		$114K Buy
+2,673
New +$110K 0.01% 792
2019
Q3 		– Sell
-100
Closed -$6K – 1513
2019
Q2 		$6K Buy
+100
New +$6.37K ﹤0.01% 1115
2017
Q3 		– Sell
-1,030
Closed -$63K – 1389
2017
Q2 		$63K Buy
1,030
+280
+37% +$16.9K 0.01% 880
2017
Q1 		$50K Buy
+750
New +$57.2K 0.01% 913
2016
Q4 		– Sell
-2,707
Closed -$192K – 1297
2016
Q3 		$192K Sell
2,707
-4,684
-63% -$299K 0.02% 563
2016
Q2 		$361K Buy
+7,391
New +$478K 0.04% 440
2015
Q2 		– Sell
-472
Closed -$29K – 1324
2015
Q1 		$29K Buy
+472
New +$26.2K 0.01% 869

Other funds holding RARE

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
Sands Capital Management
Sands Capital Management Arlington, Virginia $25.5B AUM 26.46% 1-Year Est. Return
RI
RTW Investments New York $10B AUM 135.35% 1-Year Est. Return
BBA
Baker Bros. Advisors New York $17.4B AUM 131.5% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return

Quantbot Technologies's RARE Position: Q4 2025 in Review

Quantbot Technologies sold out of Ultragenyx Pharmaceutical (RARE) in Q4 2025, closing a stake of 6,251 shares — an estimated $188K sold.

Quantbot Technologies first reported a position in RARE in Q1 2015 and held it in 14 quarters. The position peaked at $574K in Q1 2021. 287 funds tracked by Wall St. Rank hold RARE as of Q4 2025.

  • Quantbot Technologies reported no remaining Ultragenyx Pharmaceutical position as of Q4 2025 after selling out during the quarter.
  • Quantbot Technologies sold 6,251 Ultragenyx Pharmaceutical shares in Q4 2025, an estimated $188K.
  • Quantbot Technologies first reported a position in Ultragenyx Pharmaceutical in Q1 2015 and held it in 14 quarters.
  • Quantbot Technologies's Ultragenyx Pharmaceutical position peaked at $574K in Q1 2021.
  • 287 funds tracked by Wall St. Rank held Ultragenyx Pharmaceutical as of Q4 2025.

Based on Quantbot Technologies's 13F filing for Q4 2025, filed 10 Feb 2026.