California State Teachers Retirement System (CalSTRS)
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California State Teachers Retirement System (CalSTRS)’s Caribou Biosciences CRBU Stock Holding History

California State Teachers Retirement System (CalSTRS)’s Portfolio CRBU Stock Details CRBU Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q2 		– Sell
-5,961
Closed -$5.44K – 3007
2025
Q1 		$5.44K Hold
5,961
– – ﹤0.01% 2903
2024
Q4 		$9.48K Hold
5,961
– – ﹤0.01% 2878
2024
Q3 		$11.7K Hold
5,961
– – ﹤0.01% 2830
2024
Q2 		$9.78K Sell
5,961
-2,272
-28% -$7.26K ﹤0.01% 2910
2024
Q1 		$42.3K Sell
8,233
-5,242
-39% -$32.3K ﹤0.01% 2518
2023
Q4 		$77.2K Sell
13,475
-3,008
-18% -$14.9K ﹤0.01% 2513
2023
Q3 		$78.8K Sell
16,483
-2,440
-13% -$15.1K ﹤0.01% 2603
2023
Q2 		$80.4K Sell
18,923
-44,801
-70% -$201K ﹤0.01% 2720
2023
Q1 		$338K Sell
63,724
-942
-1% -$5.87K ﹤0.01% 2463
2022
Q4 		$406K Buy
64,666
+740
+1% +$6.58K ﹤0.01% 2434
2022
Q3 		$674K Sell
63,926
-368
-0.6% -$3.43K ﹤0.01% 2169
2022
Q2 		$349K Buy
64,294
+22,162
+53% +$169K ﹤0.01% 2529
2022
Q1 		$387K Buy
42,132
+10,643
+34% +$112K ﹤0.01% 2481
2021
Q4 		$475K Buy
31,489
+21,128
+204% +$411K ﹤0.01% 2527
2021
Q3 		$247K Buy
+10,361
New +$253K ﹤0.01% 2663

Other funds holding CRBU

P
Pfizer New York $239M AUM 232.47% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
KCM
Kynam Capital Management Princeton, New Jersey $1.62B AUM 138.67% 1-Year Est. Return
SSA
Schonfeld Strategic Advisors New York $14.2B AUM 37.17% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
Two Sigma Advisers
Two Sigma Advisers New York $51.4B AUM 31.07% 1-Year Est. Return
PHS
PFM Health Sciences San Francisco, California $1.1B AUM 57.92% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

California State Teachers Retirement System (CalSTRS)'s CRBU Position: Q2 2025 in Review

California State Teachers Retirement System (CalSTRS) sold out of Caribou Biosciences (CRBU) in Q2 2025, closing a stake of 5,961 shares — an estimated $5.44K sold.

California State Teachers Retirement System (CalSTRS) first reported a position in CRBU in Q3 2021 and held it in 15 quarters. The position peaked at $674K in Q3 2022. 129 funds tracked by Wall St. Rank hold CRBU as of Q2 2025.

  • California State Teachers Retirement System (CalSTRS) reported no remaining Caribou Biosciences position as of Q2 2025 after selling out during the quarter.
  • California State Teachers Retirement System (CalSTRS) sold 5,961 Caribou Biosciences shares in Q2 2025, an estimated $5.44K.
  • California State Teachers Retirement System (CalSTRS) first reported a position in Caribou Biosciences in Q3 2021 and held it in 15 quarters.
  • California State Teachers Retirement System (CalSTRS)'s Caribou Biosciences position peaked at $674K in Q3 2022.
  • 129 funds tracked by Wall St. Rank held Caribou Biosciences as of Q2 2025.

Based on California State Teachers Retirement System (CalSTRS)'s 13F filing for Q2 2025, filed 14 Aug 2025.