etfipo
Case study no. 02 — Forced buying·H2 2026 (est)

The day OpenAI lists, 4 ETFs must buy $2.89B of it.

Capped-profit structure conversion + IPO would be largest tech IPO ever. Microsoft's economic interest (49% of profits up to a cap) complicates ownership picture and S&P inclusion math.

$1.00T
$300B$2.0T

Base case: $1.00T (Reported $730B–$1T secondary market valuation). Use the slider to stress-test upside or downside scenarios.

10%
$3B$25B

Base case: 10%. Mega-IPOs typically float 5-15% initially. Lower float = higher demand vs supply imbalance.

Implied float $
$100.00B
ETF forced buying
$2.89B
% of float ETFs must absorb
2.9%
ETFs forced to act
4
QQQInvesco QQQ Trust

Top 100 non-financial Nasdaq-listed stocks by market cap. Annual reconstitution in December. Quarterly rebalancing.

AUM
$327.00B
Expense
20 bps
Est. entry weight
0.45%
Forced buying
$1.49B
Top 10 holdings — dollar outflow from dilution
Show full dilution math →
TickerNameOld wtNew wtΔ wt (bps)$ outflow
NVDANVIDIA8.750%8.710%-4.0-$130.1M
AAPLApple7.340%7.307%-3.3-$109.1M
MSFTMicrosoft5.100%5.077%-2.3-$75.8M
AMZNAmazon4.720%4.699%-2.1-$70.2M
MUMicron Technology3.880%3.862%-1.8-$57.7M
AVGOBroadcom3.650%3.633%-1.7-$54.3M
GOOGLAlphabet Class A3.010%2.996%-1.4-$44.7M
METAMeta Platforms2.890%2.877%-1.3-$43.0M
TSLATesla2.410%2.399%-1.1-$35.8M
COSTCostco2.230%2.220%-1.0-$33.1M
VTIVanguard Total Stock Market

Holds substantially all investable US equities. New IPOs added at quarterly rebalance after seasoning. Float-adjusted.

AUM
$480.00B
Expense
3 bps
Est. entry weight
0.18%
Forced buying
$872.7M
Top 10 holdings — dollar outflow from dilution
Show full dilution math →
TickerNameOld wtNew wtΔ wt (bps)$ outflow
NVDANVIDIA6.200%6.189%-1.1-$54.1M
AAPLApple5.800%5.789%-1.1-$50.6M
MSFTMicrosoft5.300%5.290%-1.0-$46.3M
AMZNAmazon3.400%3.394%-0.6-$29.7M
GOOGLAlphabet A+C3.200%3.194%-0.6-$27.9M
METAMeta Platforms2.500%2.495%-0.5-$21.8M
TSLATesla1.800%1.797%-0.3-$15.7M
BRK.BBerkshire Hathaway1.500%1.497%-0.3-$13.1M
AVGOBroadcom1.400%1.397%-0.3-$12.2M
JPMJPMorgan Chase1.300%1.298%-0.2-$11.3M
VGTVanguard Information Technology

Sector classification matters. GICS reclassified Amazon, Meta, Google away from Tech years ago. SpaceX likely classified as Industrials/Aerospace, NOT Tech — so likely excluded from VGT despite being innovative.

AUM
$92.00B
Expense
9 bps
Est. entry weight
0.56%
Forced buying
$511.1M
Top 10 holdings — dollar outflow from dilution
Show full dilution math →
TickerNameOld wtNew wtΔ wt (bps)$ outflow
NVDANVIDIA18.400%18.298%-10.2-$94.0M
AAPLApple15.100%15.016%-8.4-$77.2M
MSFTMicrosoft14.200%14.121%-7.9-$72.6M
AVGOBroadcom6.100%6.066%-3.4-$31.2M
ORCLOracle2.900%2.884%-1.6-$14.8M
CRMSalesforce2.400%2.387%-1.3-$12.3M
CSCOCisco2.100%2.088%-1.2-$10.7M
AMDAMD2.000%1.989%-1.1-$10.2M
ACNAccenture1.900%1.889%-1.1-$9.7M
ADBEAdobe1.800%1.790%-1.0-$9.2M
Eligibility matrix

Six ETFs. Six different inclusion timelines.

QQQ● Eligible

Nasdaq listing + market cap easily clears Nasdaq-100 threshold. Fast-track entry possible if market cap exceeds existing constituent (top 25% rule).

Timing: Next quarterly rebal or special inclusion ~3-5 days post-IPO if mega-cap
IPO● Eligible

Renaissance IPO ETF adds large US IPOs ~5 trading days after listing. Will likely enter as a top-3 holding given mega-cap size.

Timing: ~5 trading days post-IPO
VTI● Eligible

CRSP US Total Market includes all US-listed common stocks. Added at next quarterly rebalance (typ. ~30-90 day lag).

Timing: Next quarterly rebalance
SPY● Excluded

Multi-class structure historically blocks/delays inclusion (Snap precedent in 2017); Profitability requirement (4 consecutive profitable GAAP quarters) likely not met

Timing: Blocked until criteria met
VGT● Eligible

GICS classification likely Information Technology — would be added at MSCI rebalance.

Timing: MSCI quarterly rebalance
ARKK● Conditional

Active fund — Cathie Wood's stated convictions strongly favor frontier-AI and space themes. Position size at PM discretion.

Timing: Any time post-listing
The playbook

Three trades the inclusion math points to.

i.

The largest tech IPO ever — by far

At a $1T listing, OpenAI would enter Nasdaq-100 as a top-10 holding instantly. The forced buying from QQQ + QQQM ($420B+ combined) is mechanical and unprecedented. No tech IPO in history has triggered this scale of passive demand.

ii.

The Microsoft entanglement trade

Microsoft's 49% economic interest in OpenAI profits (up to a cap) means OpenAI's listing materially affects MSFT's mark-to-market exposure. Watch for MSFT to potentially divest pre-IPO or for analysts to bake in the implicit value transfer.

iii.

AI sector ETF rebalancing

Thematic AI ETFs (AIQ, ROBO, BOTZ, CHAT) have ~$8B combined AUM and concentrated holdings. OpenAI inclusion would force ~5-10% rebalancing across their books. Smaller existing holdings (Palantir, C3.ai, SoundHound) face sharp dilution.