What is the StonkWhisper Whisper Index?

The Whisper Index is StonkWhisper's proprietary market sentiment score (0–90) that aggregates retail investor discussion velocity, volume, and sentiment across Reddit, StockTwits, and other social platforms for 500+ U.S. equities in real time.

What is dark pool trading and why does it matter for stock analysis?

Dark pools are off-exchange trading venues where large institutional orders execute away from public markets. StonkWhisper tracks FINRA-reported dark pool volume to identify unusual institutional accumulation or distribution that may precede significant price moves.

How does StonkWhisper track congressional stock trades?

The STOCK Act requires U.S. Congress members to disclose personal stock trades within 45 days. StonkWhisper monitors these mandatory disclosures in near real-time, surfacing trades by legislators who may have non-public information advantages.

Robeco decreased SQM position by 60,336 shares

Jul 31, 2026Last updated Aug 12, 2026

This StonkWhisper whale intelligence report documents significant institutional position changes in $SQM based on SEC 13F filings and block-level trading data. Quarterly 13F disclosures are required for institutional investment managers with at least $100 million in qualifying assets under management. These filings reveal long positions in U.S. equities held as of quarter end. Material changes in institutional positioning — particularly from concentrated funds with a history of high-conviction bets — are tracked by StonkWhisper as leading indicators of institutional thesis formation or exit.

Robeco Schweiz AG AUM: $6.2B DECREASED

AUM: $6.2B · 126 holdings · Period: 2026-06-30

60,336 Share Change

556,152 Current Shares

$41.2B Current Value

0.66% Portfolio %

-9.8% Change %

Position Change Detail

Issuer SOCIEDAD QUIMICA Y MINERA DE

Ticker SQM

Shares 616,488 → 556,152 60,336

Value $49.9B → $41.2B

Portfolio Weight 0.66%

Change Type Decreased

Period of Report 2026-06-30

Other Robeco Positions This Period

Ticker	Issuer	Change Type	Share Change	Value
AVTR	AVANTOR INC	Decreased	2,723,740	$14.5B
ENPH	ENPHASE ENERGY INC	Increased	+1,009,670	$101.5B
TTEK	TETRA TECH INC NEW	Increased	+812,000	$89.5B
PWI	POWER INTEGRATIONS INC	Increased	+470,234	$112.3B
HBM	HUDBAY MINERALS INC	Increased	+322,000	$28.9B
TEX	TEREX CORP NEW	New	+299,384	$21.7B
MRVL	MARVELL TECHNOLOGY INC	Decreased	241,601	$286.2B
FSS	FEDERAL SIGNAL CORP	Exited	241,407	—
ON	ON SEMICONDUCTOR CORP	Decreased	240,243	$162.8B
VIAV	VIAVI SOLUTIONS INC	Increased	+236,000	$42.8B

Other Whales Moving SQM This Period

Manager	Change Type	Share Change
State Street	Increased	+55,633
Baillie Gifford	Decreased	14,902

View all sentiment, news, and whale activity for SQM (SOCIEDAD QUIMICA Y MINERA DE).

Track Robeco and other whale moves in real time on The Wire →

Get alerts when new 13F filings drop — Go Pro →

Data sourced from SEC 13F institutional holdings filings. This page does not constitute financial advice. StonkWhisper presents public records — it does not verify or guarantee the accuracy of institutional filings. 13F filings are reported quarterly and may lag actual positions.

Last updated: August 12, 2026 at 06:03 UTC