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Cubist Systematic Strategies’s Annexon ANNX Stock Holding History

Cubist Systematic Strategies’s Portfolio ANNX Stock Details ANNX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q3 		$69.5K Buy
+22,771
New +$56.5K ﹤0.01% 2819
2024
Q2 		– Sell
-8,094
Closed -$58K – 2936
2024
Q1 		$58K Sell
8,094
-9,050
-53% -$47K ﹤0.01% 3356
2023
Q4 		$77.8K Buy
+17,144
New +$42.4K ﹤0.01% 3222
2023
Q3 		– Sell
-79,323
Closed -$279K – 3304
2023
Q2 		$279K Sell
79,323
-9,375
-11% -$41K ﹤0.01% 2666
2023
Q1 		$341K Buy
88,698
+74,930
+544% +$412K ﹤0.01% 2908
2022
Q4 		$71.2K Sell
13,768
-7,136
-34% -$39.2K ﹤0.01% 3851
2022
Q3 		$129K Hold
20,904
– – ﹤0.01% 3930
2022
Q2 		$79K Sell
20,904
-61,935
-75% -$189K ﹤0.01% 4020
2022
Q1 		$226K Buy
82,839
+50,573
+157% +$311K ﹤0.01% 2994
2021
Q4 		$371K Buy
32,266
+25,994
+414% +$420K ﹤0.01% 2652
2021
Q3 		$117K Buy
+6,272
New +$127K ﹤0.01% 2718

Other funds holding ANNX

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
BI
BVF Inc San Francisco, California $3.91B AUM 304.52% 1-Year Est. Return
RG
Redmile Group San Francisco, California $1.49B AUM 208.7% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BCLSI
Bain Capital Life Sciences Investors Boston, Massachusetts $1.68B AUM 126.09% 1-Year Est. Return
BG
Bellevue Group Kuesnacht, Switzerland $4.75B AUM 68.58% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Millennium Management
Millennium Management New York $276B AUM 44.8% 1-Year Est. Return
WP
Woodline Partners San Francisco, California $32.4B AUM 58.5% 1-Year Est. Return

Cubist Systematic Strategies's ANNX Position: Q3 2025 in Review

Cubist Systematic Strategies opened a new position in Annexon (ANNX) in Q3 2025: 22,771 shares worth $69.5K. The stake represents ﹤0.01% of the portfolio and ranks #2819 among its holdings. This is a return to the name: Cubist Systematic Strategies previously reported a position in ANNX as recently as Q1 2024.

Cubist Systematic Strategies first reported a position in ANNX in Q3 2021 and has held it in 11 quarters since. The position peaked at $371K in Q4 2021. 144 funds tracked by Wall St. Rank hold ANNX as of Q3 2025.

  • Cubist Systematic Strategies held 22,771 shares of Annexon worth $69.5K as of Q3 2025.
  • Annexon was a new Cubist Systematic Strategies position in Q3 2025.
  • Annexon made up ﹤0.01% of Cubist Systematic Strategies's portfolio in Q3 2025, its #2819 holding.
  • Cubist Systematic Strategies first reported a position in Annexon in Q3 2021 and has held it in 11 quarters since.
  • Cubist Systematic Strategies's Annexon position peaked at $371K in Q4 2021.
  • 144 funds tracked by Wall St. Rank held Annexon as of Q3 2025.

Based on Cubist Systematic Strategies's 13F filing for Q3 2025, filed 14 Nov 2025.