Optiver Holding
ACLX

Optiver Holding’s Arcellx ACLX Stock Holding History

Optiver Holding’s Portfolio ACLX Stock Details ACLX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$25.9K Buy
226
+182
+414% +$16.1K ﹤0.01% 1056
2025
Q4 		$2.87K Sell
44
-214
-83% -$17.1K ﹤0.01% 1778
2025
Q3 		$21.2K Buy
258
+128
+98% +$9.21K ﹤0.01% 957
2025
Q2 		$8.56K Buy
130
+90
+225% +$5.6K ﹤0.01% 1048
2025
Q1 		$2.62K Buy
+40
New +$2.71K ﹤0.01% 1207

Other funds holding ACLX

GS
Gilead Sciences Foster City, California $2.12B AUM 143.53% 1-Year Est. Return
PBA
Paradigm Biocapital Advisors New York $4.89B AUM 251.12% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
NMC
NEA Management Company Timonium, Maryland $1.76B AUM 223.33% 1-Year Est. Return
PCM
Pentwater Capital Management Naples, Florida $19.3B AUM 58.13% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
SOCM
SR One Capital Management Wayne, Pennsylvania $915M AUM 209.71% 1-Year Est. Return
Fidelity International
Fidelity International Hamilton, Bermuda $129B AUM 30.83% 1-Year Est. Return
HI
HBK Investments Dallas, Texas $9.85B AUM 55.6% 1-Year Est. Return

Optiver Holding's ACLX Position: Q1 2026 in Review

Optiver Holding increased its Arcellx (ACLX) stake by 414% in Q1 2026, buying an estimated $16.1K and bringing the position to 226 shares worth $25.9K. The position accounts for ﹤0.01% of the portfolio, ranked #1056.

Optiver Holding first reported a position in ACLX in Q1 2025 and has held it in 5 quarters since. 239 funds tracked by Wall St. Rank hold ACLX as of Q1 2026.

  • Optiver Holding held 226 shares of Arcellx worth $25.9K as of Q1 2026.
  • Optiver Holding bought 182 Arcellx shares in Q1 2026, an estimated $16.1K.
  • Arcellx made up ﹤0.01% of Optiver Holding's portfolio in Q1 2026, its #1056 holding.
  • Optiver Holding first reported a position in Arcellx in Q1 2025 and has held it in 5 quarters since.
  • 239 funds tracked by Wall St. Rank held Arcellx as of Q1 2026.

Based on Optiver Holding's 13F filing for Q1 2026, filed 15 May 2026.