NISA INVESTMENT ADVISORS, LLC KROS — KEROS THERAPEUTICS INC

Ownership history in NISA INVESTMENT ADVISORS, LLC  ·  20 quarters on record

AI Ownership Summary

NISA INVESTMENT ADVISORS, LLC reported KEROS THERAPEUTICS INC (KROS) in 20 quarterly 13F filings from 2024 Q2 through 2026 Q3. The latest visible filing shows KROS at 0.00% 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 KROS ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was NISA INVESTMENT ADVISORS, LLC's position in KEROS THERAPEUTICS INC, 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 Q3

KROS was reported at 0.00% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.0% in 2025 Q4

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 Q3

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.

KROS stock page NISA INVESTMENT ADVISORS, LLC fund profile NISA INVESTMENT ADVISORS, LLC full holdings
How NISA INVESTMENT ADVISORS, LLC held KROS — position size vs. price
% of Fund (quarterly)    KROS price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 10 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q3 ADDED — — — 4,065 +76 +1.9% 0.00% $46K 2026-10-20 $11.40
2026 Q2 ADDED — — — 3,989 +1,800 +82.2% 0.00% $43K 2026-08-10 $10.69
2026 Q1 REDUCED 18.2% -1.0% ✅ 2,189 -487 -18.2% 0.00% $24K 2026-04-30 $11.12
2025 Q4 UNCHANGED — — — 2,676 — 0% 0.00% $54K 2026-01-15 $19.26
2025 Q3 UNCHANGED — — — 2,676 — 0% 0.00% $42K 2025-10-23 $14.88
2025 Q2 REDUCED 20.4% +19.5% ❌ 2,676 -686 -20.4% 0.00% $36K 2025-07-31 $14.32
2025 Q1 ADDED — — — 3,362 +3,192 +1877.6% 0.00% $34K 2025-04-30 $14.44
2024 Q4 ADDED — — — 170 +84 +97.7% 0.00% $3K 2025-01-17 $10.86
2024 Q3 ADDED — — — 86 +24 +38.7% 0.00% $5K 2024-10-24 $59.56
2024 Q2 ADDED — — — 62 +21 +51.2% 0.00% $3K 2024-07-19 $48.38
10 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding KROS

As of 2026 Q3 — sorted by position size

Essential Partners LLC 0.0% Versant Capital Management, Inc 3Y 7Y 0.0% GAMMA Investing LLC 0.0% True Wealth Design, LLC 3Y 0.0% WEALTH ENHANCEMENT ADVISORY SERVICES, LLC 3Y 7Y 0.0% Farther Finance Advisors, LLC 3Y 0.0% IFP Advisors, Inc 3Y 7Y 0.0%

FAQ About NISA INVESTMENT ADVISORS, LLC and KROS

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

How long has NISA INVESTMENT ADVISORS, LLC reported owning KROS?

NISA INVESTMENT ADVISORS, LLC reported KROS across 10 quarterly 13F filings, from 2024 Q2 through 2026 Q3.

What was the largest reported KROS position in NISA INVESTMENT ADVISORS, LLC's portfolio?

The largest reported portfolio weight for KROS was 0.00% in 2025 Q4.

What is the latest reported KROS position on this page?

The most recent filing on this page is 2026 Q3, when NISA INVESTMENT ADVISORS, LLC reported 4,065 shares, equal to 0.00% of portfolio, with an estimated market value of $46K.

What does the chart on this KROS ownership page compare?

The chart compares NISA INVESTMENT ADVISORS, LLC's quarterly KROS 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 NISA INVESTMENT ADVISORS, LLC time their KROS position?

Based on 13F filing dates vs. subsequent KROS price moves, NISA INVESTMENT ADVISORS, LLC correctly timed 6 out of 14 reported position changes (43%). The annualised alpha on KROS relative to SPY over the holding period was -33.8%.

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