State of Wisconsin Investment Board
RARE icon

State of Wisconsin Investment Board’s Ultragenyx Pharmaceutical RARE Stock Holding History

State of Wisconsin Investment Board’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 		$1.53M Sell
45,711
-1,347
-3% -$33.5K ﹤0.01% 1612
2026
Q1 		$986K Sell
47,058
-11,599
-20% -$261K ﹤0.01% 1697
2025
Q4 		$1.35M Sell
58,657
-22,281
-28% -$733K ﹤0.01% 1547
2025
Q3 		$2.43M Buy
80,938
+3,437
+4% +$103K 0.01% 1288
2025
Q2 		$2.82M Buy
77,501
+3,100
+4% +$112K 0.01% 1144
2025
Q1 		$2.69M Buy
74,401
+6,056
+9% +$252K 0.01% 1136
2024
Q4 		$2.88M Buy
68,345
+3,079
+5% +$153K 0.01% 1154
2024
Q3 		$3.63M Sell
65,266
-5,304
-8% -$270K 0.01% 1080
2024
Q2 		$2.9M Buy
70,570
+19,746
+39% +$843K 0.01% 1149
2024
Q1 		$2.37M Sell
50,824
-4,873
-9% -$230K 0.01% 1191
2023
Q4 		$2.66M Sell
55,697
-896
-2% -$34.7K 0.01% 1165
2023
Q3 		$2.02M Sell
56,593
-2,418
-4% -$95.8K 0.01% 1255
2023
Q2 		$2.72M Sell
59,011
-2,441
-4% -$113K 0.01% 1212
2023
Q1 		$2.46M Sell
61,452
-5,343
-8% -$229K 0.01% 1234
2022
Q4 		$3.09M Sell
66,795
-619
-0.9% -$24.3K 0.01% 1176
2022
Q3 		$2.79M Sell
67,414
-2,843
-4% -$146K 0.01% 1227
2022
Q2 		$4.19M Buy
70,257
+11,946
+20% +$735K 0.01% 1082
2022
Q1 		$4.24M Buy
58,311
+50,359
+633% +$3.5M 0.01% 1224
2021
Q4 		$669K Sell
7,952
-126
-2% -$10.3K ﹤0.01% 1584
2021
Q3 		$729K Buy
8,078
+382
+5% +$34.5K ﹤0.01% 1561
2021
Q2 		$734K Sell
7,696
-77,804
-91% -$8.11M ﹤0.01% 1559
2021
Q1 		$9.73M Sell
85,500
-1,500
-2% -$204K 0.02% 748
2020
Q4 		$12M Sell
87,000
-4,000
-4% -$475K 0.03% 606
2020
Q3 		$7.48M Hold
91,000
– – 0.02% 755
2020
Q2 		$7.12M Buy
91,000
+6,700
+8% +$443K 0.02% 747
2020
Q1 		$3.75M Buy
84,300
+2,600
+3% +$135K 0.01% 887
2019
Q4 		$3.49M Hold
81,700
– – 0.01% 1034
2019
Q3 		$3.5M Buy
81,700
+5,300
+7% +$288K 0.01% 900
2019
Q2 		$4.85M Buy
76,400
+10,100
+15% +$643K 0.01% 830
2019
Q1 		$4.6M Buy
66,300
+17,900
+37% +$1.02M 0.01% 838
2018
Q4 		$2.1M Sell
48,400
-400
-0.8% -$21.9K 0.01% 960
2018
Q3 		$3.73M Hold
48,800
– – 0.01% 934
2018
Q2 		$3.75M Buy
48,800
+8,355
+21% +$540K 0.01% 920
2018
Q1 		$2.06M Hold
40,445
– – 0.01% 964
2017
Q4 		$1.88M Hold
40,445
– – 0.01% 981
2017
Q3 		$2.15M Buy
40,445
+12,445
+44% +$737K 0.01% 959
2017
Q2 		$1.74M Buy
+28,000
New +$1.69M 0.01% 966

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 $3.37T AUM 44.26% 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

State of Wisconsin Investment Board's RARE Position: Q2 2026 in Review

State of Wisconsin Investment Board reduced its Ultragenyx Pharmaceutical (RARE) stake by 2.9% in Q2 2026, selling an estimated $33.5K and leaving 45,711 shares worth $1.53M. The position accounts for ﹤0.01% of the portfolio, ranked #1612.

State of Wisconsin Investment Board first reported a position in RARE in Q2 2017 and has held it in 37 quarters since. The position peaked at $12M in Q4 2020. 310 funds tracked by Wall St. Rank hold RARE as of Q2 2026.

  • State of Wisconsin Investment Board held 45,711 shares of Ultragenyx Pharmaceutical worth $1.53M as of Q2 2026.
  • State of Wisconsin Investment Board sold 1,347 Ultragenyx Pharmaceutical shares in Q2 2026, an estimated $33.5K.
  • Ultragenyx Pharmaceutical made up ﹤0.01% of State of Wisconsin Investment Board's portfolio in Q2 2026, its #1612 holding.
  • State of Wisconsin Investment Board first reported a position in Ultragenyx Pharmaceutical in Q2 2017 and has held it in 37 quarters since.
  • State of Wisconsin Investment Board's Ultragenyx Pharmaceutical position peaked at $12M in Q4 2020.
  • 310 funds tracked by Wall St. Rank held Ultragenyx Pharmaceutical as of Q2 2026.

Based on State of Wisconsin Investment Board's 13F filing for Q2 2026, filed 14 Aug 2026.