BZAI Blaize Holdings, Inc.

NASDAQ
$0.58

Blaize Holdings, Inc. (BZAI) Hedge Fund Activity

This view isolates hedge funds from the broader institutional ownership shown on the Institutional tab. A pension fund tracking an index may have no view on a stock; when a hedge fund builds or exits a position, that decision can carry information. This page measures those changes. Positions as of June 30, 2026.

Based on quarterly 13F long-equity filings. Changes compare reported quarter-end positions; filings can be reported up to 45 days later and do not represent a fund's complete exposure.

Hedge fund breadth
+60.00
8 buyers / 2 sellers
STRONG BUYING
Funds compared
10
funds with comparable BZAI positions
8 current holders · 4 prior-quarter holders
Net share change
+2.83M
+4.34M added, -1.51M cut
Position activity
6 new 2 increased 0 reduced 2 exited

Most significant moves

Ranked by conviction, not size — how much of the fund's own book the position represents, how far it moved, and what kind of fund made it.

Fund Action Shares changed Change Est. value Portfolio wt. Score
RENAISSANCE TECHNOLOGIES LLC Quant Sold Out -1.40M -100.0% $1.9M 0.0% 60
MILLENNIUM MANAGEMENT LLC New +817.9K — $1.1M 0.0% 59
MARSHALL WACE, LLP Long/Short New +1.61M — $2.2M 0.0% 58
D. E. Shaw & Co., Inc. Quant New +279.9K — $386.2K 0.0% 58
Balyasny Asset Management L.P. Sold Out -109.5K -100.0% $151.1K 0.0% 57
CITADEL ADVISORS LLC Quant Increased +1.17M +1520.8% $1.6M 0.0% 54
LMR Partners Event Quant New +146.5K — $202.1K 0.0% 53
Walleye Capital Long/Short Quant New +13.6K — $18.8K 0.0% 51
Quantbot Technologies Quant New +16.0K — $22.1K 0.0% 45
AQR Capital Management Long/Short Quant Increased +289.6K +23.9% $399.6K 0.0% 26

Most significant buyers

By move score, not size.

  • MILLENNIUM MANAGEMENT LLC New · +817.9K
  • MARSHALL WACE, LLP New · +1.61M
  • D. E. Shaw & Co., Inc. New · +279.9K
  • CITADEL ADVISORS LLC Increased · +1.17M
  • LMR Partners New · +146.5K

Most significant sellers

By move score, not size.

  • RENAISSANCE TECHNOLOGIES LLC Sold Out · -1.40M
  • Balyasny Asset Management L.P. Sold Out · -109.5K

Hedge fund positions

Fund Tier Shares Previous Change Change % Portfolio wt. Action Score
RENAISSANCE TECHNOLOGIES LLC 1 0 1.4M -1.40M -100.0% 0.0% Sold Out 60
MILLENNIUM MANAGEMENT LLC 2 817.9K 0 +817.9K — 0.0% New 59
MARSHALL WACE, LLP 2 1.6M 0 +1.61M — 0.0% New 58
D. E. Shaw & Co., Inc. 1 279.9K 0 +279.9K — 0.0% New 58
Balyasny Asset Management L.P. 2 0 109.5K -109.5K -100.0% 0.0% Sold Out 57
CITADEL ADVISORS LLC 1 1.2M 77.0K +1.17M +1520.8% 0.0% Increased 54
LMR Partners 3 146.5K 0 +146.5K — 0.0% New 53
Walleye Capital 3 13.6K 0 +13.6K — 0.0% New 51
Quantbot Technologies 4 16.0K 0 +16.0K — 0.0% New 45
AQR Capital Management 3 1.5M 1.2M +289.6K +23.9% 0.0% Increased 26

Every fund above opens. Subscribers can see any manager's whole portfolio — every position, its weight, and what they bought, trimmed and exited last quarter.

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Hedge funds are identified from their 13F filings, which are due 45 days after quarter end and cover long U.S.-listed equity positions only. A fund's short book never appears, so a reduced position can mean a changed view or a changed hedge — the filing doesn't say which.