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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 | |
|---|---|---|---|---|---|---|
2301
Build-A-Bear
BBW
$474M
| $46.9K | ﹤0.01% |
765
-10
| -1% | -$544 |
|
2302
Rigel Pharmaceuticals
RIGL
$762M
| $46.5K | ﹤0.01% |
1,085
-177
| -14% | -$6.67K |
|
2303
Butterfly Network
BFLY
$2.36B
| $45.9K | ﹤0.01% |
12,066
+72
| +0.6% | +$196 |
|
|
DCH
2304
Dauch Corp
DCH
$1.6B
| $45.6K | ﹤0.01% |
7,121
-1,385
| -16% | -$8.61K |
|
|
SNCY
2305
DELISTED
Sun Country Airlines
SNCY
| $45.3K | ﹤0.01% |
3,151
-45
| -1% | -$575 |
|
2306
Monte Rosa Therapeutics
GLUE
$1.35B
| $45K | ﹤0.01% |
2,872
-179
| -6% | -$2.41K |
|
2307
Inhibrx
INBX
$1.42B
| $44.1K | ﹤0.01% |
558
-10
| -2% | -$681 |
|
2308
Lincoln Educational Services
LINC
$955M
| $44.1K | ﹤0.01% |
1,825
-20
| -1% | -$436 |
|
|
JBIO
2309
Jade Biosciences
JBIO
$1.51B
| $44K | ﹤0.01% |
2,850
+819
| +40% | +$9.61K |
|
|
MCHB
2310
Mechanics Bancorp
MCHB
$3.79B
| $43.7K | ﹤0.01% |
2,986
+1,833
| +159% | +$25.5K |
|
2311
Theravance Biopharma
TBPH
$878M
| $43.6K | ﹤0.01% |
2,330
-332
| -12% | -$5.51K |
|
2312
Nordic American Tanker
NAT
$1.4B
| $43.4K | ﹤0.01% |
12,620
-155
| -1% | -$548 |
|
2313
Compass Therapeutics
CMPX
$407M
| $43.3K | ﹤0.01% |
8,056
+662
| +9% | +$3.06K |
|
2314
Costamare
CMRE
$1.74B
| $43K | ﹤0.01% |
2,726
-54
| -2% | -$746 |
|
2315
Myers Industries
MYE
$1.25B
| $42.8K | ﹤0.01% |
2,286
-377
| -14% | -$6.69K |
|
|
HTB
2316
HomeTrust Bancshares
HTB
$837M
| $42.3K | ﹤0.01% |
986
-83
| -8% | -$3.43K |
|
2317
Green Dot
GDOT
$770M
| $42.3K | ﹤0.01% |
3,304
-38
| -1% | -$472 |
|
2318
Tyra Biosciences
TYRA
$1.49B
| $41.9K | ﹤0.01% |
1,595
+122
| +8% | +$2.24K |
|
|
KE
2319
Kimball Electronics
KE
$626M
| $41.7K | ﹤0.01% |
1,498
+748
| +100% | +$21.6K |
|
2320
Regenxbio
RGNX
$704M
| $41.5K | ﹤0.01% |
2,881
-457
| -14% | -$5.7K |
|
2321
Replimune Group
REPL
$1.42B
| $41.4K | ﹤0.01% |
4,260
-38,117
| -90% | -$324K |
|
2322
Graham Corp
GHM
$1.3B
| $41.2K | ﹤0.01% |
641
-103
| -14% | -$6.22K |
|
|
SION
2323
Sionna Therapeutics
SION
$296M
| $40.6K | ﹤0.01% |
988
+217
| +28% | +$8.23K |
|
2324
Green Plains
GPRE
$1.09B
| $40.5K | ﹤0.01% |
4,134
+112
| +3% | +$1.13K |
|
2325
American Public Education
APEI
$828M
| $40.5K | ﹤0.01% |
1,071
-68
| -6% | -$2.43K |
|
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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.