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California State Teachers Retirement System (CalSTRS)

California State Teachers Retirement System (CalSTRS) Portfolio holdings

AUM $94.5B
1-Year Est. Return 29.33%
This Fund
S&P 500
This Quarter Est. Return
+4.01%
1 Year Est. Return
+29.33%
3 Year Est. Return
+103.37%
5 Year Est. Return
+138.35%
10 Year Est. Return
+544.89%
AUM
$100B
AUM Growth
+$2.46B
Cap. Flow
+$416M
Cap. Flow %
0.42%
Top 10 Hldgs %
35.83%
Holding
3,102
New
56
Increased
1,015
Reduced
1,958
Closed
48

Top Buys

Rank Stock Value
1
IVV icon
iShares Core S&P 500 ETF
IVV
+$2.01B
2
AMRZ
Amrize Ltd
AMRZ
+$28.7M
3
NBIS
Nebius Group N.V.
NBIS
+$27.9M
4
CRWV
CoreWeave
CRWV
+$25.9M
5
INSM icon
Insmed
INSM
+$23.9M

Top Sells

Rank Stock Value
1
NVDA icon
NVIDIA
NVDA
+$142M
2
AAPL icon
Apple
AAPL
+$141M
3
MSFT icon
Microsoft
MSFT
+$86.5M
4
TSLA icon
Tesla
TSLA
+$79.8M
5
GOOG icon
Alphabet (Google) Class C
GOOG
+$72.5M

Sector Composition

Rank Sector Weight
1 Technology 33.29%
2 Financials 13.13%
3 Communication Services 10.48%
4 Consumer Discretionary 10.45%
5 Healthcare 9.85%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
GERN icon
2001
Geron
GERN
$982M
$627K ﹤0.01%
475,257
-4,173
-0.9% -$5.24K
TR icon
2002
Tootsie Roll Industries
TR
$3.02B
$627K ﹤0.01%
17,623
+15
+0.1% +$568
IBCP icon
2003
Independent Bank Corp
IBCP
$854M
$626K ﹤0.01%
19,232
-30
-0.2% -$964
ATAI icon
2004
AtaiBeckley Inc
ATAI
$2.69B
$619K ﹤0.01%
+151,453
New +$715K
TRTX
2005
TPG RE Finance Trust
TRTX
$616M
$619K ﹤0.01%
71,874
+6,061
+9% +$53.8K
MTUS icon
2006
Metallus
MTUS
$892M
$618K ﹤0.01%
36,021
-26
-0.1% -$446
EE icon
2007
Excelerate Energy
EE
$1.12B
$616K ﹤0.01%
21,977
+27
+0.1% +$731
BLND icon
2008
Blend Labs
BLND
$367M
$615K ﹤0.01%
202,254
+17,131
+9% +$54.6K
TREE icon
2009
LendingTree
TREE
$461M
$614K ﹤0.01%
11,572
+1,078
+10% +$60.5K
NKTR icon
2010
Nektar Therapeutics
NKTR
$2.57B
$614K ﹤0.01%
+14,520
New +$813K
NX icon
2011
Quanex
NX
$981M
$607K ﹤0.01%
39,499
-110
-0.3% -$1.55K
ADAM
2012
Adamas Trust
ADAM
$907M
$607K ﹤0.01%
83,177
-73
-0.1% -$518
WSR
2013
DELISTED
Whitestone REIT
WSR
$605K ﹤0.01%
43,545
-4,592
-10% -$59.2K
EMBC icon
2014
Embecta
EMBC
$290M
$604K ﹤0.01%
50,876
-43
-0.1% -$567
HTFL
2015
Heartflow Inc
HTFL
$2.67B
$603K ﹤0.01%
+20,693
New +$666K
SAFE
2016
Safehold
SAFE
$1.1B
$600K ﹤0.01%
43,818
-6,835
-13% -$97.1K
QGEN icon
2017
Qiagen
QGEN
$8.93B
$597K ﹤0.01%
13,265
-188
-1% -$8.7K
TDUP icon
2018
ThredUp
TDUP
$416M
$596K ﹤0.01%
93,279
+7,786
+9% +$63K
SPT icon
2019
Sprout Social
SPT
$604M
$591K ﹤0.01%
52,484
+5,763
+12% +$62.2K
BJRI icon
2020
BJ's Restaurants
BJRI
$1.42B
$591K ﹤0.01%
14,991
-160
-1% -$5.68K
AIOT
2021
PowerFleet Inc
AIOT
$421M
$589K ﹤0.01%
110,695
-127
-0.1% -$650
NUTX
2022
Nutex Health
NUTX
$1.28B
$587K ﹤0.01%
3,565
-4
-0.1% -$531
PRCH icon
2023
Porch Group
PRCH
$1.92B
$585K ﹤0.01%
64,104
+319
+0.5% +$3.84K
GOLD
2024
Gold.com Inc
GOLD
$1.27B
$584K ﹤0.01%
17,160
-101
-0.6% -$2.88K
CTLP
2025
DELISTED
Cantaloupe
CTLP
$584K ﹤0.01%
54,970
-8,811
-14% -$93.4K
79 80
81
82 83

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California State Teachers Retirement System (CalSTRS)'s Q4 2025 Portfolio in Review

As of Q4 2025, California State Teachers Retirement System (CalSTRS) held 3,102 positions worth $100B, up 2.5% from $97.5B the previous quarter. Its ten largest holdings account for 36% of the portfolio.

Trading was light in Q4 2025: portfolio turnover was 3.4%. California State Teachers Retirement System (CalSTRS) opened 56 new positions and exited 48, leaving the 3,102-position portfolio largely intact.

By sector, the portfolio is most concentrated in Technology at 33% of assets, down from 34% a quarter earlier, followed by Financials and Communication Services.

  • California State Teachers Retirement System (CalSTRS)'s largest Q4 2025 buy was iShares Core S&P 500 ETF: 2,958,300 shares worth $2.03B.
  • California State Teachers Retirement System (CalSTRS) added most to Insmed in Q4 2025, an estimated $23.9M increase.
  • California State Teachers Retirement System (CalSTRS)'s biggest Q4 2025 reduction was NVIDIA, cutting an estimated $142M.
  • California State Teachers Retirement System (CalSTRS) fully exited Blue Owl Technology Finance Corp in Q4 2025, selling an estimated $61.7M.
  • California State Teachers Retirement System (CalSTRS)'s ten largest holdings make up 36% of its $100B portfolio in Q4 2025.
  • California State Teachers Retirement System (CalSTRS) opened 56 new positions and closed 48 in Q4 2025.
  • California State Teachers Retirement System (CalSTRS)'s portfolio value rose 2.5% quarter-over-quarter to $100B.

Based on California State Teachers Retirement System (CalSTRS)'s 13F filing for Q4 2025, filed 17 Feb 2026.