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John Overdeck’s OmniAb OABI Stock Holding History

John Overdeck’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 		$1.62M Buy
657,432
+144,691
+28% +$287K ﹤0.01% 3193
2026
Q1 		$805K Buy
512,741
+89,637
+21% +$162K ﹤0.01% 3421
2025
Q4 		$783K Buy
423,104
+131,369
+45% +$228K ﹤0.01% 3081
2025
Q3 		$467K Buy
291,735
+60,047
+26% +$110K ﹤0.01% 3014
2025
Q2 		$403K Buy
+231,688
New +$388K ﹤0.01% 2673
2025
Q1 		– Sell
-10,292
Closed -$36.4K – 3404
2024
Q4 		$36.4K Sell
10,292
-4,909
-32% -$19.4K ﹤0.01% 3068
2024
Q3 		$64.3K Buy
+15,201
New +$65.7K ﹤0.01% 2952
2024
Q2 		– Sell
-33,447
Closed -$181K – 3233
2024
Q1 		$181K Sell
33,447
-13,137
-28% -$75.7K ﹤0.01% 2735
2023
Q4 		$287K Buy
46,584
+4,884
+12% +$24K ﹤0.01% 2711
2023
Q3 		$216K Buy
41,700
+800
+2% +$4.27K ﹤0.01% 2611
2023
Q2 		$206K Buy
40,900
+27,200
+199% +$110K ﹤0.01% 2635
2023
Q1 		$50.4K Hold
13,700
– – ﹤0.01% 2752
2022
Q4 		$49.3K Buy
+13,700
New +$71.9K ﹤0.01% 2595

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

John Overdeck's OABI Position: Q2 2026 in Review

John Overdeck increased its OmniAb (OABI) stake by 28% in Q2 2026, buying an estimated $287K and bringing the position to 657,432 shares worth $1.62M. The position accounts for ﹤0.01% of the portfolio, ranked #3193.

John Overdeck first reported a position in OABI in Q4 2022 and has held it in 13 quarters since. 130 funds tracked by Wall St. Rank hold OABI as of Q2 2026.

  • John Overdeck held 657,432 shares of OmniAb worth $1.62M as of Q2 2026.
  • John Overdeck bought 144,691 OmniAb shares in Q2 2026, an estimated $287K.
  • OmniAb made up ﹤0.01% of John Overdeck's portfolio in Q2 2026, its #3193 holding.
  • John Overdeck first reported a position in OmniAb in Q4 2022 and has held it in 13 quarters since.
  • 130 funds tracked by Wall St. Rank held OmniAb as of Q2 2026.

Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.