California State Teachers Retirement System (CalSTRS)
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California State Teachers Retirement System (CalSTRS)’s OmniAb OABI Stock Holding History

California State Teachers Retirement System (CalSTRS)’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 		$9.8K Sell
6,243
-233
-4% -$421 ﹤0.01% 2690
2025
Q4 		$12K Sell
6,476
-216
-3% -$375 ﹤0.01% 2722
2025
Q3 		$10.7K Buy
6,692
+5
+0.1% +$9 ﹤0.01% 2812
2025
Q2 		$11.6K Hold
6,687
– – ﹤0.01% 2686
2025
Q1 		$16K Sell
6,687
-71,266
-91% -$233K ﹤0.01% 2596
2024
Q4 		$276K Sell
77,953
-5,724
-7% -$22.6K ﹤0.01% 2307
2024
Q3 		$354K Sell
83,677
-2,379
-3% -$10.3K ﹤0.01% 2258
2024
Q2 		$323K Sell
86,056
-1,691
-2% -$7.71K ﹤0.01% 2274
2024
Q1 		$476K Sell
87,747
-5,371
-6% -$30.9K ﹤0.01% 2183
2023
Q4 		$575K Sell
93,118
-4,119
-4% -$20.3K ﹤0.01% 2140
2023
Q3 		$505K Sell
97,237
-10,033
-9% -$53.5K ﹤0.01% 2193
2023
Q2 		$540K Buy
107,270
+2,968
+3% +$12K ﹤0.01% 2261
2023
Q1 		$384K Buy
104,302
+1,019
+1% +$3.85K ﹤0.01% 2421
2022
Q4 		$372K Buy
+103,283
New +$542K ﹤0.01% 2465

Other funds holding OABI

WCM
Whitefort Capital Management New York $339M AUM 52.48% 1-Year Est. Return
BlackRock
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
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
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
TL
TowerView LLC New York $155M AUM 30.14% 1-Year Est. Return

California State Teachers Retirement System (CalSTRS)'s OABI Position: Q1 2026 in Review

California State Teachers Retirement System (CalSTRS) reduced its OmniAb (OABI) stake by 3.6% in Q1 2026, selling an estimated $421 and leaving 6,243 shares worth $9.8K. The position accounts for ﹤0.01% of the portfolio, ranked #2690.

California State Teachers Retirement System (CalSTRS) first reported a position in OABI in Q4 2022 and has held it in 14 quarters since. The position peaked at $575K in Q4 2023. 128 funds tracked by Wall St. Rank hold OABI as of Q1 2026.

  • California State Teachers Retirement System (CalSTRS) held 6,243 shares of OmniAb worth $9.8K as of Q1 2026.
  • California State Teachers Retirement System (CalSTRS) sold 233 OmniAb shares in Q1 2026, an estimated $421.
  • OmniAb made up ﹤0.01% of California State Teachers Retirement System (CalSTRS)'s portfolio in Q1 2026, its #2690 holding.
  • California State Teachers Retirement System (CalSTRS) first reported a position in OmniAb in Q4 2022 and has held it in 14 quarters since.
  • California State Teachers Retirement System (CalSTRS)'s OmniAb position peaked at $575K in Q4 2023.
  • 128 funds tracked by Wall St. Rank held OmniAb as of Q1 2026.

Based on California State Teachers Retirement System (CalSTRS)'s 13F filing for Q1 2026, filed 18 May 2026.