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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
(+2.5%)
Cap. Flow
+$416M
Cap. Flow
% of AUM
0.42%
Top 10 Holdings %
Top 10 Hldgs %
35.83%
Holding
3,102
New
56
Increased
1,015
Reduced
1,958
Closed
48
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
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 |
Insmed
INSM
|
+$23.9M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
NVIDIA
NVDA
|
+$142M |
| 2 |
Apple
AAPL
|
+$141M |
| 3 |
Microsoft
MSFT
|
+$86.5M |
| 4 |
Tesla
TSLA
|
+$79.8M |
| 5 |
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 | |
|---|---|---|---|---|---|---|
1751
Ecovyst
ECVT
$1.1B
| $1.12M | ﹤0.01% |
114,815
-3,344
| -3% | -$29.2K |
|
1752
Worthington Steel
WS
$1.94B
| $1.11M | ﹤0.01% |
32,011
+1,728
| +6% | +$56.8K |
|
1753
Coty
COTY
$2.42B
| $1.1M | ﹤0.01% |
358,222
-370
| -0.1% | -$1.34K |
|
1754
Schrodinger
SDGR
$1.38B
| $1.1M | ﹤0.01% |
61,601
+3,215
| +6% | +$61K |
|
1755
LegalZoom.com
LZ
$993M
| $1.1M | ﹤0.01% |
110,882
+929
| +0.8% | +$9.21K |
|
1756
Pacira BioSciences
PCRX
$924M
| $1.1M | ﹤0.01% |
42,500
-124
| -0.3% | -$2.95K |
|
1757
Origin Bancorp
OBK
$1.69B
| $1.09M | ﹤0.01% |
28,925
+1,589
| +6% | +$56.9K |
|
|
EFC
1758
Ellington Financial
EFC
$1.76B
| $1.09M | ﹤0.01% |
80,108
-568
| -0.7% | -$7.73K |
|
1759
US Physical Therapy
USPH
$1.24B
| $1.09M | ﹤0.01% |
13,924
-13
| -0.1% | -$1.05K |
|
|
SEZL
1760
Sezzle
SEZL
$4.37B
| $1.09M | ﹤0.01% |
17,117
+79
| +0.5% | +$5.38K |
|
|
CSR
1761
Centerspace
CSR
$939M
| $1.09M | ﹤0.01% |
16,282
-16
| -0.1% | -$1K |
|
1762
Matsons
MATX
$6.39B
| $1.09M | ﹤0.01% |
8,788
+565
| +7% | +$60.7K |
|
1763
PureCycle Technologies
PCT
$1.41B
| $1.09M | ﹤0.01% |
126,365
-135
| -0.1% | -$1.43K |
|
1764
Asana
ASAN
$2.28B
| $1.08M | ﹤0.01% |
79,127
-163
| -0.2% | -$2.24K |
|
1765
Qfin Holdings
QFIN
$1.52B
| $1.08M | ﹤0.01% |
56,170
+8,571
| +18% | +$193K |
|
1766
Winnebago Industries
WGO
$921M
| $1.08M | ﹤0.01% |
26,628
+3,219
| +14% | +$117K |
|
1767
Castle Biosciences
CSTL
$933M
| $1.08M | ﹤0.01% |
27,725
+3,103
| +13% | +$100K |
|
1768
Harmonic Inc
HLIT
$1.42B
| $1.07M | ﹤0.01% |
108,349
+6,075
| +6% | +$61.2K |
|
1769
PagerDuty
PD
$932M
| $1.07M | ﹤0.01% |
81,709
+231
| +0.3% | +$3.37K |
|
1770
Perella Weinberg Partners
PWP
$1.33B
| $1.07M | ﹤0.01% |
61,786
+3,197
| +5% | +$59.7K |
|
1771
1st Source
SRCE
$2.13B
| $1.07M | ﹤0.01% |
17,056
-52
| -0.3% | -$3.22K |
|
1772
Bank First Corp
BFC
$1.76B
| $1.07M | ﹤0.01% |
8,748
-15
| -0.2% | -$1.91K |
|
1773
TriMas Corp
TRS
$1.39B
| $1.06M | ﹤0.01% |
30,014
-1,821
| -6% | -$63.6K |
|
|
UCTT
1774
Ultra Clean Holdings
UCTT
$4.21B
| $1.05M | ﹤0.01% |
41,559
-32
| -0.1% | -$851 |
|
1775
Gentherm
THRM
$1.32B
| $1.05M | ﹤0.01% |
28,884
-28
| -0.1% | -$1.01K |
|
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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.