GROESBECK INVESTMENT MANAGEMENT CORP /NJ/ BLK — BLACKROCK INC COM COM

Ownership history in GROESBECK INVESTMENT MANAGEMENT CORP /NJ/  ·  60 quarters on record

AI Ownership Summary

GROESBECK INVESTMENT MANAGEMENT CORP /NJ/ reported BLACKROCK INC COM COM (BLK) in 60 quarterly 13F filings from 2024 Q2 through 2026 Q2. Peak portfolio weight reached 1.12% in 2024 Q2. The latest visible filing shows BLK at 0.48% of the fund.

This page tracks quarterly shares, estimated market value, portfolio weight, filing dates, and disclosure-aligned stock prices directly from SEC EDGAR 13F filings. Older history is available after unlock; the visible window still shows the most recent pattern.

What this BLK ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was GROESBECK INVESTMENT MANAGEMENT CORP /NJ/'s position in BLACKROCK INC COM COM, and how did that conviction change over time? You can read the holding window, peak weight, latest reported size, disclosure timing, and quarter-by-quarter changes without piecing the story together from raw SEC rows.

Freshest filing
Latest Reported Filing
2026 Q2

BLK was reported at 0.48% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
1.12% in 2024 Q2

Peak weight helps separate a token disclosure from a real conviction holding the fund genuinely cared about.

Time in book
Holding Window
2024 Q2 to 2026 Q2

Longer holding windows often tell a very different story from short-lived tactical trades or one-quarter experiments.

Decision context
Why It Matters
Position size beats headlines

Knowing that a fund owned a stock is useful. Knowing whether it was a 0.20% placeholder or a true high-conviction position is where the signal actually starts.

BLK stock page GROESBECK INVESTMENT MANAGEMENT CORP /NJ/ fund profile GROESBECK INVESTMENT MANAGEMENT CORP /NJ/ full holdings
How GROESBECK INVESTMENT MANAGEMENT CORP /NJ/ held BLK — position size vs. price
% of Fund (quarterly)    BLK price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 8 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q2 REDUCED — — — 314 -9 -2.8% 0.48% $302 2026-07-15 $1087.82
2026 Q1 UNCHANGED — — — 323 — 0% 0.61% $311 2026-04-22 $1051.12
2025 Q4 ADDED — — — 323 +26 +8.8% 0.65% $346K 2026-01-21 $1109.63
2025 Q3 REDUCED 30.1% -6.2% ✅ 297 -128 -30.1% 0.55% $312K 2025-10-23 $1101.46
2025 Q1 REDUCED 19.5% +11.4% ❌ 425 -103 -19.5% 0.56% $402K 2025-04-29 $892.30
2024 Q4 REDUCED 34.0% -7.2% ✅ 528 -272 -34.0% 0.70% $541K 2025-01-27 $992.94
2024 Q3 REDUCED 22.3% +8.7% ❌ 800 -230 -22.3% 1.12% $760K 2024-10-23 $947.97
2024 Q2 REDUCED — — — 1,030 -20 -1.9% 1.12% $811K 2024-07-26 $816.55
52 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding BLK

As of 2026 Q2 — sorted by position size

Parkside Financial Bank & Trust 3Y 7Y 16.17% IVY LANE CAPITAL MANAGEMENT, LLC 3Y 13.93% Temasek Holdings (Private) Ltd 3Y 7Y 13.41% PB INVESTMENT PARTNERS, L.P. 3Y 12.09% ValueAct Holdings, L.P. 3Y 7Y 9.93% Unisphere Establishment 7.5% Prana Capital Management, LP 3Y 7Y 6.58% First Fiduciary Investment Counsel, Inc. 3Y 7Y 4.82% Provident Investment Management, Inc. 3Y 7Y 4.44% Cander Asset Management LP 4.2%

FAQ About GROESBECK INVESTMENT MANAGEMENT CORP /NJ/ and BLK

These are the practical questions this page is built to answer before you even open the full history table.

How long has GROESBECK INVESTMENT MANAGEMENT CORP /NJ/ reported owning BLK?

GROESBECK INVESTMENT MANAGEMENT CORP /NJ/ reported BLK across 8 quarterly 13F filings, from 2024 Q2 through 2026 Q2.

What was the largest reported BLK position in GROESBECK INVESTMENT MANAGEMENT CORP /NJ/'s portfolio?

The largest reported portfolio weight for BLK was 1.12% in 2024 Q2.

What is the latest reported BLK position on this page?

The most recent filing on this page is 2026 Q2, when GROESBECK INVESTMENT MANAGEMENT CORP /NJ/ reported 314 shares, equal to 0.48% of portfolio, with an estimated market value of $302.

What does the chart on this BLK ownership page compare?

The chart compares GROESBECK INVESTMENT MANAGEMENT CORP /NJ/'s quarterly BLK portfolio weight with the stock's indexed share price, so you can see whether the fund was building, trimming, or holding the position as price moved.

How well did GROESBECK INVESTMENT MANAGEMENT CORP /NJ/ time their BLK position?

Based on 13F filing dates vs. subsequent BLK price moves, GROESBECK INVESTMENT MANAGEMENT CORP /NJ/ correctly timed 20 out of 52 reported position changes (38%). The annualised alpha on BLK relative to SPY over the holding period was +17.6%.

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