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Aquatic Capital Management’s Ultragenyx Pharmaceutical RARE Stock Holding History

Aquatic Capital Management’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
Q2 		$560K Sell
16,760
-51,462
-75% -$1.28M 0.02% 755
2026
Q1 		$1.43M Sell
68,222
-19,242
-22% -$433K 0.04% 465
2025
Q4 		$2.01M Sell
87,464
-103,994
-54% -$3.42M 0.06% 372
2025
Q3 		$5.76M Buy
191,458
+84,559
+79% +$2.54M 0.11% 234
2025
Q2 		$3.89M Buy
106,899
+10,691
+11% +$385K 0.08% 298
2025
Q1 		$3.48M Sell
96,208
-6,363
-6% -$265K 0.09% 281
2024
Q4 		$4.32M Buy
102,571
+78,571
+327% +$3.9M 0.12% 224
2024
Q3 		$1.33M Buy
24,000
+5,000
+26% +$255K 0.03% 444
2024
Q2 		$781K Sell
19,000
-1,200
-6% -$51.2K 0.03% 448
2024
Q1 		$943K Buy
+20,200
New +$953K 0.03% 400
2023
Q4 		– Sell
-12,800
Closed -$456K – 1571
2023
Q3 		$456K Buy
12,800
+5,300
+71% +$210K 0.02% 504
2023
Q2 		$346K Buy
7,500
+2,300
+44% +$107K 0.02% 524
2023
Q1 		$209K Buy
+5,200
New +$223K 0.01% 576
2022
Q4 		– Sell
-2,500
Closed -$104K – 1742
2022
Q3 		$104K Buy
+2,500
New +$128K 0.01% 744

Other funds holding RARE

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
RI
RTW Investments New York $11.7B AUM 174.13% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Two Sigma Investments
Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return
Sands Capital Management
Sands Capital Management Arlington, Virginia $26.9B AUM 34.44% 1-Year Est. Return
Jacobs Levy Equity Management
Jacobs Levy Equity Management Florham Park, New Jersey $27.8B AUM 46.46% 1-Year Est. Return
FCM
Frontier Capital Management Boston, Massachusetts $10.7B AUM 67.78% 1-Year Est. Return

Aquatic Capital Management's RARE Position: Q2 2026 in Review

Aquatic Capital Management reduced its Ultragenyx Pharmaceutical (RARE) stake by 75% in Q2 2026, selling an estimated $1.28M and leaving 16,760 shares worth $560K. The position accounts for 0.02% of the portfolio, ranked #755.

Aquatic Capital Management first reported a position in RARE in Q3 2022 and has held it in 14 quarters since. The position peaked at $5.76M in Q3 2025. 311 funds tracked by Wall St. Rank hold RARE as of Q2 2026.

  • Aquatic Capital Management held 16,760 shares of Ultragenyx Pharmaceutical worth $560K as of Q2 2026.
  • Aquatic Capital Management sold 51,462 Ultragenyx Pharmaceutical shares in Q2 2026, an estimated $1.28M.
  • Ultragenyx Pharmaceutical made up 0.02% of Aquatic Capital Management's portfolio in Q2 2026, its #755 holding.
  • Aquatic Capital Management first reported a position in Ultragenyx Pharmaceutical in Q3 2022 and has held it in 14 quarters since.
  • Aquatic Capital Management's Ultragenyx Pharmaceutical position peaked at $5.76M in Q3 2025.
  • 311 funds tracked by Wall St. Rank held Ultragenyx Pharmaceutical as of Q2 2026.

Based on Aquatic Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.