Millennium Management
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Millennium Management’s OmniAb OABI Stock Holding History

Millennium Management’s Portfolio OABI Stock Details OABI Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2022
Q1 		– Sell
-339,847
Closed -$251K – 7311
2021
Q4 		$251K Buy
+339,847
New +$3.39M ﹤0.01% 5705

Other funds holding OABI

WCM
Whitefort Capital Management New York $406M AUM 84.26% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Nomura Holdings
Nomura Holdings Tokyo, Japan $85.4B AUM 91.09% 1-Year Est. Return
CCM
Cadian Capital Management New York $1.32B AUM 4.19% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
RHJA
Rice Hall James & Associates San Diego, California $2.05B AUM 43.16% 1-Year Est. Return
PMG
Private Management Group Irvine, California $3.8B AUM 23.19% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Millennium Management's OABI Position: Q2 2026 in Review

Millennium Management reduced its OmniAb (OABI) stake by 9.5% in Q2 2026, selling an estimated $98.8K and leaving 474,159 shares worth $864K. The position accounts for ﹤0.01% of the portfolio, ranked #4413.

Millennium Management first reported a position in OABI in Q4 2021 and has held it in 19 quarters since. The position peaked at $21.2M in Q2 2023. 131 funds tracked by Wall St. Rank hold OABI as of Q2 2026.

  • Millennium Management held 474,159 shares of OmniAb worth $864K as of Q2 2026.
  • Millennium Management sold 49,759 OmniAb shares in Q2 2026, an estimated $98.8K.
  • OmniAb made up ﹤0.01% of Millennium Management's portfolio in Q2 2026, its #4413 holding.
  • Millennium Management first reported a position in OmniAb in Q4 2021 and has held it in 19 quarters since.
  • Millennium Management's OmniAb position peaked at $21.2M in Q2 2023.
  • 131 funds tracked by Wall St. Rank held OmniAb as of Q2 2026.

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