Mather Group’s OmniAb OABI Stock Holding History

Mather Group’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 Q1	$33	Buy	+21	New	+$38	﹤0.01%	1883
2025 Q4	–	Sell	-21	Closed	-$34	–	1326
2025 Q3	$34	Buy	+21	New	+$38	﹤0.01%	1700
2025 Q2	–	Sell	-21	Closed	-$50	–	1360
2025 Q1	$50	Hold	21	–	–	﹤0.01%	1773
2024 Q4	$74	Hold	21	–	–	﹤0.01%	1727
2024 Q3	$89	Sell	21 -126	-86%	-$545	﹤0.01%	1679
2024 Q2	$797	Buy	147 +126	+600%	+$574	﹤0.01%	2017
2024 Q1	$130	Buy	+21	New	+$121	﹤0.01%	1730

Other funds holding OABI

WCM

Whitefort Capital Management New York $339M AUM 52.48% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

CCM

Cadian Capital Management New York $821M AUM 14.36% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

RHJA

Rice Hall James & Associates San Diego, California $1.8B AUM 36.16% 1-Year Est. Return

PMG

Private Management Group Irvine, California $3.47B AUM 13.39% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

TowerView LLC New York $155M AUM 30.14% 1-Year Est. Return

Mather Group's OABI Position: Q1 2026 in Review

Mather Group opened a new position in OmniAb (OABI) in Q1 2026: 21 shares worth $33. The stake represents ﹤0.01% of the portfolio and ranks #1883 among its holdings. This is a return to the name: Mather Group previously reported a position in OABI as recently as Q3 2025.

Mather Group first reported a position in OABI in Q1 2024 and has held it in 7 quarters since. The position peaked at $797 in Q2 2024. 128 funds tracked by Wall St. Rank hold OABI as of Q1 2026.

Mather Group held 21 shares of OmniAb worth $33 as of Q1 2026.
OmniAb was a new Mather Group position in Q1 2026.
OmniAb made up ﹤0.01% of Mather Group's portfolio in Q1 2026, its #1883 holding.
Mather Group first reported a position in OmniAb in Q1 2024 and has held it in 7 quarters since.
Mather Group's OmniAb position peaked at $797 in Q2 2024.
128 funds tracked by Wall St. Rank held OmniAb as of Q1 2026.

Based on Mather Group's 13F filing for Q1 2026, filed 13 Apr 2026.