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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
PLXS icon
1076
Plexus
PLXS
$7.13B
$3.77M ﹤0.01%
25,665
+519
+2% +$76.1K
PSKY
1077
Paramount Skydance Corp
PSKY
$11.4B
$3.76M ﹤0.01%
280,688
– –
VIAV icon
1078
Viavi Solutions
VIAV
$10.7B
$3.76M ﹤0.01%
210,993
+5,052
+2% +$81.6K
TMDX icon
1079
Transmedics
TMDX
$3.07B
$3.75M ﹤0.01%
30,821
-9
-0% -$1.13K
VSAT icon
1080
Viasat
VSAT
$11.4B
$3.75M ﹤0.01%
108,777
+9,987
+10% +$353K
DLB icon
1081
Dolby
DLB
$5.84B
$3.74M ﹤0.01%
58,248
-54
-0.1% -$3.63K
MRCY icon
1082
Mercury Systems
MRCY
$6.67B
$3.74M ﹤0.01%
51,224
+2,697
+6% +$201K
PGY icon
1083
Pagaya Technologies
PGY
$1.8B
$3.72M ﹤0.01%
177,990
+4,489
+3% +$114K
FLG
1084
Flagstar Bank National Association
FLG
$5.92B
$3.72M ﹤0.01%
295,169
+7,693
+3% +$92K
AVT icon
1085
Avnet
AVT
$7.85B
$3.7M ﹤0.01%
77,048
-3,125
-4% -$154K
VSXY
1086
Victoria's Secret
VSXY
$7.08B
$3.7M ﹤0.01%
68,289
+3,095
+5% +$123K
HASI icon
1087
Hannon Armstrong Sustainable Infrastructure Capital
HASI
$5.41B
$3.69M ﹤0.01%
117,562
+3,473
+3% +$109K
KVYO icon
1088
Klaviyo
KVYO
$5.26B
$3.69M ﹤0.01%
113,766
+23,936
+27% +$670K
MGY icon
1089
Magnolia Oil & Gas
MGY
$6.22B
$3.67M ﹤0.01%
167,430
-2,920
-2% -$66.4K
PJT icon
1090
PJT Partners
PJT
$4.46B
$3.66M ﹤0.01%
21,901
+908
+4% +$155K
HAE icon
1091
Haemonetics
HAE
$4.13B
$3.66M ﹤0.01%
45,675
-1,585
-3% -$106K
ENVA icon
1092
Enova International
ENVA
$6.61B
$3.65M ﹤0.01%
23,206
-42
-0.2% -$5.47K
PRM icon
1093
Perimeter Solutions
PRM
$5.55B
$3.64M ﹤0.01%
132,273
+3,117
+2% +$78.7K
UPST icon
1094
Upstart Holdings
UPST
$2.96B
$3.63M ﹤0.01%
83,018
-11
-0% -$506
KRMN
1095
Karman Holdings
KRMN
$8.22B
$3.62M ﹤0.01%
49,508
+1,617
+3% +$117K
EPR icon
1096
EPR Properties
EPR
$4.69B
$3.62M ﹤0.01%
72,490
+2,512
+4% +$131K
VISN
1097
Vistance Networks Inc
VISN
$2.66B
$3.62M ﹤0.01%
199,464
+116
+0.1% +$2K
SHC icon
1098
Sotera Health
SHC
$5.39B
$3.61M ﹤0.01%
204,550
+59,232
+41% +$980K
VKTX icon
1099
Viking Therapeutics
VKTX
$3.87B
$3.6M ﹤0.01%
102,416
+1,429
+1% +$50.6K
BHF icon
1100
Brighthouse Financial
BHF
$3.37B
$3.6M ﹤0.01%
55,536
+1,882
+4% +$111K
42 43
44
45 46

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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.