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Situational Awareness

Q4 2025 13F · by Leopold Aschenbrenner, founder

As of
Dec 31, 2025
Filed
Feb 11, 2026
US stock
$3.9B · prev $2.2B
Positions
24 · prev 19
Options notional
$1.6B
Documents
1· no amendments

Picture70.9% US stock

Mostly picture · of what this 13F reports is US stock

  • US stock listed on a US exchange 70.9%
  • Foreign stock not listed in the US 0.0%
  • Notes debt, at principal 0.0%
  • Puts at notional value 0.2%
  • Calls at notional value 28.9%

Moves42 since the prior filing

+24.9 pp in · −24.9 pp out

Options: 11 moves on a notional base, in the table below.

The book

Very concentrated · behaves like 9 equal-sized positions

  1. Very concentrated
  2. Concentrated
  3. Focused
  4. Diversified

High turnover · 149% a year, about 0.7 years per position

  1. Low
  2. Moderate
  3. High

Top 5 positions65% of US stock

  1. BE Bloom Energy Corporation new+22.37 pp new+22.3722.4%
  2. LITE Lumentum Holdings Inc. new+12.23 pp new+12.2312.2%
  3. CRWV CoreWeave, Inc. Class A added−13.95 pp added−13.9511.2%
  4. CORZ Core Scientific, Inc. added−5.44 pp added−5.4410.7%
  5. IREN IREN Limited added−6.71 pp added−6.718.4%

Positions24 in this filing · 7 exited

BEBloom Energy Corporation22.37%10,076,022$876Mnew+22.37 ppnew
LITELumentum Holdings Inc.12.23%1,298,400$479Mnew+12.23 ppnew
CRWVCoreWeave, Inc. Class A11.16%6,098,812$437Madded+48%−13.95 pp2 q
CORZCore Scientific, Inc.10.70%28,756,478$419Madded+43%−5.44 pp4 q
IRENIREN Limited8.40%8,700,621$329Madded+21%−6.71 pp4 q
APLDApplied Digital Corporation7.10%11,339,060$278Madded+87%+0.90 pp4 q
SNDKSandisk Corporation6.39%1,054,200$250Madded×9.2+5.81 pp2 q
CIFRCipher Digital Inc.3.95%10,469,093$155Mnew+3.95 ppnew
EQTEqt Corp3.40%2,482,225$133Madded×2.0+0.45 pp4 q
COHRCoherent Corp.2.27%480,300$89Madded×3.1+1.53 pp2 q
SEISolaris Energy Infrastructure, Inc.2.19%1,866,500$86Madded+62%+0.14 pp2 q
TSEMTower Semiconductor Ltd2.17%723,004$85Madded+54%+0.65 pp2 q
RIOTRiot Platforms, Inc.2.00%6,167,700$78Madded+72%−1.05 pp2 q
KRCKilroy Realty Corp.1.27%1,327,700$50Mnew+1.27 ppnew
HUTHut 8 Corp.1.01%860,200$40Madded+44%+0.08 pp2 q
WYFIWhiteFiber, Inc.0.71%1,757,600$28Mnew+0.71 ppnew
PSIXPower Solutions International, Inc.0.63%432,300$25Mnew+0.63 ppnew
BTDRBitdeer Technologies Group Class A0.51%1,788,000$20Madded+92%−0.20 pp2 q
CLSKCleanspark Inc0.42%1,640,400$17Mnew+0.42 ppnew
1B2Bitfarms LTD/CANADA0.41%6,897,100$16Mnew+0.41 ppnew
LBRTLiberty Energy Inc.0.27%567,200$10Mnew+0.27 ppnew
BWBabcock & Wilcox Enterprises, Inc.0.22%1,353,900$9Mnew+0.22 ppnew
PUMPProPetro Holding Corp.0.22%910,300$9Mnew+0.22 ppnew
INTCIntel Corp0.00%1$37new0.00 ppnew
VSTVistra Corp.—−1,287,910—exited−11.25 pp—
GLXYGalaxy Digital Inc. Class A—−2,737,500—exited−4.13 pp—
Cipher Digital Incconvertible—−5,740,493—exited−3.22 pp—
Lumentum Holdings Incconvertible—−417,600—exited−3.03 pp—
Bloom Energy Corpconvertible—−3,048,002—exited−1.96 pp—
Western Digital Corpconvertible—−152,821—exited−0.82 pp—
STXSeagate Technology Holdings PLC (Ireland)—−48,567—exited−0.51 pp—

Other 13(f) securities

Options 5

Contract% of notionalSharesNotional
CRWV CALL48.31%10,814,500$774M
INTC CALL46.58%20,237,400$747M
EQT CALL2.34%700,000$38M
BE CALL2.21%408,500$35M
INFY PUT0.56%500,000$9M

Notes 0

None in this filing

Source

Form
13F-HR
Reading
0 defects · 0 unresolved
Notes
none in this filing
SEC cross-check
SEC data set not published yet