Dimensional Fund Advisors
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Dimensional Fund Advisors’s OmniAb OABI Stock Holding History

Dimensional Fund Advisors’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 		$3.11M Sell
1,262,099
-483,149
-28% -$959K ﹤0.01% 2635
2026
Q1 		$2.74M Sell
1,745,248
-407,345
-19% -$735K ﹤0.01% 2639
2025
Q4 		$3.98M Sell
2,152,593
-395,691
-16% -$688K ﹤0.01% 2590
2025
Q3 		$4.08M Sell
2,548,284
-365,480
-13% -$668K ﹤0.01% 2594
2025
Q2 		$5.07M Sell
2,913,764
-217,954
-7% -$365K ﹤0.01% 2516
2025
Q1 		$7.52M Buy
3,131,718
+106,044
+4% +$347K ﹤0.01% 2367
2024
Q4 		$10.7M Buy
3,025,674
+142,513
+5% +$564K ﹤0.01% 2281
2024
Q3 		$12.2M Sell
2,883,161
-129,055
-4% -$558K ﹤0.01% 2217
2024
Q2 		$11.3M Buy
3,012,216
+194,835
+7% +$888K ﹤0.01% 2210
2024
Q1 		$15.3M Buy
2,817,381
+193,386
+7% +$1.11M ﹤0.01% 2129
2023
Q4 		$16.2M Buy
2,623,995
+293,674
+13% +$1.44M ﹤0.01% 2094
2023
Q3 		$12.1M Buy
2,330,321
+622,868
+36% +$3.32M ﹤0.01% 2160
2023
Q2 		$8.59M Sell
1,707,453
-227,408
-12% -$922K ﹤0.01% 2327
2023
Q1 		$7.12M Buy
+1,934,861
New +$7.31M ﹤0.01% 2365

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
TL
TowerView LLC New York $152M AUM 20.28% 1-Year Est. Return

Dimensional Fund Advisors's OABI Position: Q2 2026 in Review

Dimensional Fund Advisors reduced its OmniAb (OABI) stake by 28% in Q2 2026, selling an estimated $959K and leaving 1,262,099 shares worth $3.11M. The position accounts for ﹤0.01% of the portfolio, ranked #2635.

Dimensional Fund Advisors first reported a position in OABI in Q1 2023 and has held it in 14 quarters since. The position peaked at $16.2M in Q4 2023. 131 funds tracked by Wall St. Rank hold OABI as of Q2 2026.

  • Dimensional Fund Advisors held 1,262,099 shares of OmniAb worth $3.11M as of Q2 2026.
  • Dimensional Fund Advisors sold 483,149 OmniAb shares in Q2 2026, an estimated $959K.
  • OmniAb made up ﹤0.01% of Dimensional Fund Advisors's portfolio in Q2 2026, its #2635 holding.
  • Dimensional Fund Advisors first reported a position in OmniAb in Q1 2023 and has held it in 14 quarters since.
  • Dimensional Fund Advisors's OmniAb position peaked at $16.2M in Q4 2023.
  • 131 funds tracked by Wall St. Rank held OmniAb as of Q2 2026.

Based on Dimensional Fund Advisors's 13F filing for Q2 2026, filed 11 Aug 2026.