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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
WNC icon
2501
Wabash National
WNC
$520M
$21K ﹤0.01%
2,427
-137
-5% -$1.2K
LTBR icon
2502
Lightbridge
LTBR
$326M
$20.8K ﹤0.01%
1,649
+478
+41% +$9.19K
EB
2503
DELISTED
Eventbrite
EB
$20.7K ﹤0.01%
4,657
-1,056
-18% -$3.27K
BGS icon
2504
B&G Foods
BGS
$300M
$20.7K ﹤0.01%
4,803
-833
-15% -$3.72K
CLFD icon
2505
Clearfield
CLFD
$404M
$20.6K ﹤0.01%
708
-24
-3% -$771
WTBA icon
2506
West Bancorporation
WTBA
$507M
$20.6K ﹤0.01%
930
-240
-21% -$5.18K
RBB icon
2507
RBB Bancorp
RBB
$466M
$20.6K ﹤0.01%
999
-194
-16% -$3.81K
PUBM icon
2508
PubMatic
PUBM
$778M
$20.5K ﹤0.01%
2,316
-34,463
-94% -$300K
OBT icon
2509
Orange County Bancorp
OBT
$527M
$20.5K ﹤0.01%
719
-22
-3% -$578
JACK icon
2510
Jack in the Box
JACK
$384M
$20.5K ﹤0.01%
1,083
-85
-7% -$1.54K
SLDB icon
2511
Solid Biosciences
SLDB
$973M
$20.5K ﹤0.01%
3,631
-491
-12% -$2.66K
SGHT icon
2512
Sight Sciences
SGHT
$455M
$20.4K ﹤0.01%
2,577
+31
+1% +$198
TRC icon
2513
Tejon Ranch
TRC
$447M
$20.4K ﹤0.01%
1,294
-16
-1% -$255
CBNK icon
2514
Capital Bancorp
CBNK
$620M
$20.3K ﹤0.01%
720
+52
+8% +$1.49K
SRTA
2515
Strata Critical Medical Inc
SRTA
$533M
$20.2K ﹤0.01%
4,203
+210
+5% +$1.02K
MBI icon
2516
MBIA
MBI
$256M
$20.2K ﹤0.01%
2,815
-47
-2% -$340
ACCO icon
2517
Acco Brands
ACCO
$403M
$20.1K ﹤0.01%
5,379
-1,399
-21% -$5.19K
VLGEA icon
2518
Village Super Market
VLGEA
$630M
$20K ﹤0.01%
564
-68
-11% -$2.33K
BWFG icon
2519
Bankwell Financial Group
BWFG
$544M
$19.9K ﹤0.01%
435
-32
-7% -$1.45K
SITC icon
2520
SITE Centers
SITC
$158M
$19.8K ﹤0.01%
3,089
-40,680
-93% -$307K
PDLB icon
2521
Ponce Financial Group
PDLB
$501M
$19.8K ﹤0.01%
1,211
-191
-14% -$2.94K
OSG
2522
Octave Specialty Group
OSG
$212M
$19.8K ﹤0.01%
2,539
-435
-15% -$3.72K
ALT icon
2523
Altimmune
ALT
$570M
$19.7K ﹤0.01%
5,461
+617
+13% +$2.69K
TITN icon
2524
Titan Machinery
TITN
$432M
$19.5K ﹤0.01%
1,299
-200
-13% -$3.22K
MTRX icon
2525
Matrix Service
MTRX
$331M
$19.5K ﹤0.01%
1,669
-248
-13% -$3.12K
99 100
101
102 103

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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.