Vanguard Portfolio Management
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Vanguard Portfolio Management’s OmniAb OABI Stock Holding History

Vanguard Portfolio 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
2026
Q2 		$2.41M Buy
980,416
+76,617
+8% +$152K ﹤0.01% 2686
2026
Q1 		$1.42M Buy
+903,799
New +$1.63M ﹤0.01% 2687

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

Vanguard Portfolio Management's OABI Position: Q2 2026 in Review

Vanguard Portfolio Management increased its OmniAb (OABI) stake by 8.5% in Q2 2026, buying an estimated $152K and bringing the position to 980,416 shares worth $2.41M. The position accounts for ﹤0.01% of the portfolio, ranked #2686.

Vanguard Portfolio Management first reported a position in OABI in Q1 2026 and has held it in 2 quarters since. 130 funds tracked by Wall St. Rank hold OABI as of Q2 2026.

  • Vanguard Portfolio Management held 980,416 shares of OmniAb worth $2.41M as of Q2 2026.
  • Vanguard Portfolio Management bought 76,617 OmniAb shares in Q2 2026, an estimated $152K.
  • OmniAb made up ﹤0.01% of Vanguard Portfolio Management's portfolio in Q2 2026, its #2686 holding.
  • Vanguard Portfolio Management first reported a position in OmniAb in Q1 2026 and has held it in 2 quarters since.
  • 130 funds tracked by Wall St. Rank held OmniAb as of Q2 2026.

Based on Vanguard Portfolio Management's 13F filing for Q2 2026, filed 13 Aug 2026.