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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
TRVI icon
1776
Trevi Therapeutics
TRVI
$2.53B
$1.05M ﹤0.01%
83,788
+2,091
+3% +$24.2K
GIII icon
1777
G-III Apparel Group
GIII
$1.41B
$1.05M ﹤0.01%
36,153
-4,561
-11% -$130K
INVA icon
1778
Innoviva
INVA
$1.5B
$1.05M ﹤0.01%
52,365
-77
-0.1% -$1.5K
FA icon
1779
First Advantage
FA
$3.61B
$1.04M ﹤0.01%
71,641
-67
-0.1% -$944
GPGI
1780
GPGI Inc
GPGI
$3.85B
$1.03M ﹤0.01%
53,502
+10,362
+24% +$207K
PRA
1781
DELISTED
ProAssurance
PRA
$1.03M ﹤0.01%
42,647
-36
-0.1% -$866
UNIT
1782
Uniti Group
UNIT
$2.31B
$1.03M ﹤0.01%
146,965
+11,169
+8% +$70.8K
ORC
1783
Orchid Island Capital
ORC
$1.32B
$1.03M ﹤0.01%
142,924
+35,754
+33% +$260K
FG icon
1784
F&G Annuities & Life
FG
$3.48B
$1.03M ﹤0.01%
33,230
+15,557
+88% +$487K
ASTH icon
1785
Astrana Health
ASTH
$1.78B
$1.02M ﹤0.01%
41,269
-36
-0.1% -$956
THS
1786
DELISTED
Treehouse Foods
THS
$1.02M ﹤0.01%
43,337
-36
-0.1% -$786
AMPL icon
1787
Amplitude
AMPL
$1.55B
$1.02M ﹤0.01%
88,275
+7,259
+9% +$76.4K
CERT icon
1788
Certara
CERT
$1.22B
$1.01M ﹤0.01%
114,646
-106
-0.1% -$1.09K
JBGS
1789
JBG SMITH
JBGS
$691M
$1.01M ﹤0.01%
59,369
-16,041
-21% -$303K
COHU icon
1790
Cohu
COHU
$2.76B
$1.01M ﹤0.01%
43,289
-41
-0.1% -$940
PFBC icon
1791
Preferred Bank
PFBC
$1.26B
$1.01M ﹤0.01%
10,651
-1,256
-11% -$117K
TWO
1792
Two Harbors Investment
TWO
$1.27B
$1M ﹤0.01%
95,684
-89
-0.1% -$890
VRTS icon
1793
Virtus Investment Partners
VRTS
$1.12B
$1M ﹤0.01%
6,148
-369
-6% -$62.4K
PEBO icon
1794
Peoples Bancorp
PEBO
$1.48B
$1,000K ﹤0.01%
33,291
-3,221
-9% -$95.7K
CIM
1795
Chimera Investment
CIM
$991M
$998K ﹤0.01%
80,304
+5,986
+8% +$76K
PDM
1796
Piedmont Realty Trust
PDM
$1.19B
$997K ﹤0.01%
119,571
-9,020
-7% -$75.3K
IDT icon
1797
IDT Corp
IDT
$1.63B
$997K ﹤0.01%
19,466
-15
-0.1% -$752
RLAY icon
1798
Relay Therapeutics
RLAY
$4.4B
$996K ﹤0.01%
117,677
-20,874
-15% -$149K
ZYME icon
1799
Zymeworks
ZYME
$1.77B
$994K ﹤0.01%
37,761
+2,530
+7% +$55.2K
DBD icon
1800
Diebold Nixdorf
DBD
$2.44B
$994K ﹤0.01%
14,643
-63
-0.4% -$3.94K
70 71
72
73 74

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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.